Dollar7e8 engine code

SOURCE: I have a 2008 chevy impala. The car suddenly. ur vehicle is in limp mode[ a safe mode ] which will get u home trying not to cause any damage to engine --theirs a few reasons the vehicle will do this-low oil pressure-transmission problem-have vehicle scanned most auto stores such as auto zone / advanced auto [check ur local area]do this service for free the code gives u a start point ...Feb 2, 2021 · 3 Codes Control Module on the top then under it 7EB,7E8: Chevy Mechanic: Greg. Greg, Technician. Category: Chevy. Satisfied Customers: 10,419. Experience: 17 years Shop Owner /Technician. 27 years experience, Verified. This may take a little time, but rest assured, I am on the case, Ask Your Own Chevy Question. The codes are a menu of systems that the OBDII scanner can access. OBDII scanner interprets the codes and displays the menu. Some scanners can't solve these codes and show the codes instead of the interpretation. Clicking on the code menu will read the OBDII codes (e.g. P0420 or P0455), if any, from that system. Menu Code 7E8 ($7E8): Engine SystemOct 5, 2015 · Please include year make model in all Vehicle related question. Thanks Your $7E8 and the $7E9 are fuel/ air intake codes, as for the P1326 Ok, this code is set when the knock sensor detects vibrations from engine rod knock, however, it may be set falsely due to incorrect knock sensor logic programming in the engine control module. 16 Answers. Your $7E8 and the $7E9 are fuel/ air intake codes, as for the P1326 Ok, this code is set when the knock sensor detects vibrations from engine rod knock, however, it may be set falsely due to incorrect knock sensor logic programming in the engine control module. So, the first step is to determine if there is an actual engine rod ...1. Remove the Mass Air Flow (MAF) housing, inspect the area near the screen. If flashing is noted, remove it. Refer to the latest version GM bulletin PIP4683.The code is a menu of systems that the OBDII scanner can access. OBDII scanner interprets the code and displays the menu. Some scanners can't solve these codes and show the codes instead of the interpretation. Clicking on the code menu will read the OBDII codes (e.g. P0420 or P0455), if any, from that system. Menu Code 7E8 ($7E8): Engine SystemAug 27, 2018 · I have a 2007 CHevy Impala 3.5 lt engine. The engine light came on and we checked the codes and the code came up $7E8 and $7EA. we believe these are generic codes and the $ could be optional. 7E8, 7EA. Cat failure. - Check the health of catalytic converter. - Check for cracks in muffler. - Check air leaks. A code P0128 may mean that one or more of the following has happened: 1-Low engine coolant level 2-Leaking or stuck open thermostat 3-Faulty cooling fan (running too much) 4-Faulty coolant temperature (ECT) sensor 5-Faulty intake air temperature (IAT) sensorPlease include year make model in all Vehicle related question. Thanks Your $7E8 and the $7E9 are fuel/ air intake codes, as for the P1326 Ok, this code is set when the knock sensor detects vibrations from engine rod knock, however, it may be set falsely due to incorrect knock sensor logic programming in the engine control module.Oct 5, 2015 · Please include year make model in all Vehicle related question. Thanks Your $7E8 and the $7E9 are fuel/ air intake codes, as for the P1326 Ok, this code is set when the knock sensor detects vibrations from engine rod knock, however, it may be set falsely due to incorrect knock sensor logic programming in the engine control module. The engine light came on and we checked the codes and the code came up $7E8 and $7EA. we believe these are generic codes and the $ could be optional. 7E8, 7EA. Cat failure. - Check the health of catalytic converter. - Check for cracks in muffler. - Check air leaks.Sep 6, 2019 · Different scan tool display engine powertrain , transmission powertrain and ABS system. These 3 control modules for the scan tool to read. the fault codes will be in the engine control module, but the 7E8 is letting you know there are codes, you need to select the engine control module to read the codes. same for 7E9 Code 7E8 shows up when there is something wrong with the emission system, particularly the loss of air pressure in the evaporative emission control system. What Does Code 7E8 Mean? This 7E8 engine code is a general code, implying that your car is enduring an issue related to air or fuel intake.I have a 2010 chevy silverodo that displayes three codes ($7EA, $7E8 and $7EB) I cleared the codes and the light stays off untill I use the remote start. then the engine starts and quits after about 3 … read moreFeb 2, 2021 · 3 Codes Control Module on the top then under it 7EB,7E8: Chevy Mechanic: Greg. Greg, Technician. Category: Chevy. Satisfied Customers: 10,419. Experience: 17 years Shop Owner /Technician. 27 years experience, Verified. This may take a little time, but rest assured, I am on the case, Ask Your Own Chevy Question. Sep 24, 2013 · Mopar Certified. Dodge Technician. Vocational, Technical or Tra... 8,409 satisfied customers. 2012 dodge charger srt8 threw codes 7e8 and 7e9 after dealer. 2012 dodge charger srt8 threw codes 7e8 and 7e9 after dealer performed a oil change and brake service. … read more. The 7E8 is more of a menu for the engine data stream than a code. It represents the data stream of the car’s engine and also indicates air pressure loss in the evaporative emission control system. Often, when this engine code comes up, it implies an engine powertrain. Engine codes help you to identify any potential engine problems so you can ...Mar 27, 2017 · Some scanners can't solve these codes and show the codes instead of the interpretation. Clicking on the code menu will read the OBDII codes (e.g. P0420 or P0455), if any, from that system. Menu Code 7E8 ($7E8): Engine System. Menu Code 7E9 ($7E9): Transmission System. Menu Code 7EA ($7EA): Engine Management. The first and foremost thing that you need to do to fix the 7e8 engine code is to find the DLC, i.e., the Data Link Connector. The location of DLC will vary based on the model of Chevy that you are using. Connect the code scanner tool to the DLC port: Secondly, connect the code scanner tool with the DLC port of your Chevy.In this case, $7 represents mode 7, which basically means diagnostic code request. E8 (or E9) indicates that you request fault codes from module E8 (or E9). In conclusion: $7E8: request codes from the engine module. $7E9: request codes from the transmission module.Dec 31, 2018 · Hi! My check engine light turned on today and keeps blinking, we got code 07e8 and 07e9, and the throttle response is sluggish. Its a 2016 Kia Sorento 2,2 diesel engine with automatic transmission. Re … read more A code P0128 may mean that one or more of the following has happened: 1-Low engine coolant level 2-Leaking or stuck open thermostat 3-Faulty cooling fan (running too much) 4-Faulty coolant temperature (ECT) sensor 5-Faulty intake air temperature (IAT) sensorCheck engine light - Remember that the 7E8 code is related to the engine powertrain. The check engine light will light up on the dashboard when the engine has an issue. The 7E8 code will be stored whenever the engine has a problem, and the CEL will illuminate. Poor engine performance - Your vehicle will have a hard time going uphill, especially ...Found this on a Google search. p2098 $07E8 Post catalyst fuel trim system too lean bank 2. p2272 $07E8 o2 sensor signal stuck lean bank 2 sensor 2. Probably best to rescan yours with a specific BMW code reader such as INPA or a Creator 310+ handheld scanner that will have a better explanation of the codes. The code you have points to too much ...I have a 2012 Sante Fe. Check engine light is on. Used my OBDII reader and the only codes that would come up are $7E9, and $7E8. No other codes would come up when I tried to get more information from … read moreNov 29, 2016 · I recently had the OBD port scanned and, lo and behold, three control module codes came up: $7EB, $7EA and $7E8. The dealership insists that this is perfectly normal and is refusing to diagnose it even though my car is still covered under the one-year bumper to bumper warranty. They say its not a problem unless the check engine light comes on. $7E8 and the $7E9 are fuel/ air intake codes, as for the P1326 Ok, this code is set when the knock sensor detects vibrations from engine rod knock, however, it may be set falsely due to incorrect knock sensor logic programming in the engine control module.Apr 3, 2014 · 7e8 engine code. $7E8 ENGINE. Posted by Anonymous on Apr 03, 2014. 1 Answer. Posted on Apr 27, 2012. So, I bought a 2008 Jeep Patriot Sport 2.4L CVT Transmission about a little over a month ago from a used dealer. So far, we've had to unclog the sunroof drains, replace thermostats, replace radiator, change spark plugs, do a transmission fluid exchange and filter change, oil change, change all the other filters, and about to replace the front and rear struts. Hi. I think you bought a new scan tool. No Problem. 7E8 and 7E9 are subcategories for the engine and transmission. Scroll down some more. OBD2 engine codes will always start with "P". Example: P0300- Random misfire. Good Luck.Mar 29, 2012 · F. FreeWillie · #2 · Mar 29, 2012. Those are factory codes for options installed by the factory computer inventory "pick" system. They are meaningless for your check engine light. Reset the light. And watch for another light. You may have had a momentary "glitch" that cleared itself but lasted long enough to trigger the CEL. The $7 at the start represents mode 7. The E8 and E9 represent different modules or parts of the vehicle from where the codes are retrieved. E8 represents the engine control module while E9 represents the transmission control module. In short: 7E8 means a request code from ECM. 7E9 means a request from TCM.39 Answers. That is what they call a "generic" code. Some OBD11 or OBD2, "same thing", scanners will give a $7E8 and $7EA. together and maybe a $7E9. These are for a sub menu. Click on each one separately and you should or might get a regular "P0" code if your scanner. has the supported module.7E8 and 7E9 these are not codes what they are are system 7E8 is for the engine powertrain and 7E9 is for the transmission powertrain, go to the menu 7E8 if it list a DTC (diagnostic trouble code) select it, and it would read a P code such as P0XXX or P1XXX same Some scanners can't solve these codes and show the codes instead of the interpretation. Clicking on the code menu will read the OBDII codes (e.g. P0420 or P0455), if any, from that system. Menu Code 7E8 ($7E8): Engine System. Menu Code 7E9 ($7E9): Transmission System. Menu Code 7EA ($7EA): Engine Management.Oct 29, 2017 · The codes are a menu of systems that the OBDII scanner can access. OBDII scanner interprets the codes and displays the menu. Some scanners can't solve these codes and show the codes instead of the interpretation. Clicking on the code menu will read the OBDII codes (e.g. P0420 or P0455), if any, from that system. Menu Code 7E8 ($7E8): Engine System In this case, $7 represents mode 7, which basically means diagnostic code request. E8 (or E9) indicates that you request fault codes from module E8 (or E9). In conclusion: $7E8: request codes from the engine module. $7E9: request codes from the transmission module. Nov 19, 2022 · 7EA: Call for more information for scanning the ECU 3. 7E8: 7E8 is a submenu for the ECU, not an issue one. If the tool shows this one, it indicates that the Engine Control Module (ECM) has issued a request signal. 7E9: When you see this, there is a transmission control module (TCM) request code. You can resolve this by repairing transmission ... Jan 22, 2023 · Diagnosing the 7E8 Code. If the 7E8 Code appears on your car’s diagnostic system, the first step is to clear the Check Engine light or use a scanner to reset the CE. This may resolve the issue, and the Code will not reappear. Repairing the 7E8 Code. Suppose this Code appears after clearing the Check Engine light or resetting the CE. You can fix this engine code by repairing faults or malfunctions in the transmission system. Engine code 7EA. The OBD scan tool will display this engine code when it needs more information about the engine control unit 3. You can fix this engine code by scanning ECU #3 and fixing faults. Engine code 7EBSep 1, 2014 · The engine light came on and we checked the codes and the code came up $7E8 and $7EA. we believe these are generic codes and the $ could be optional. 7E8, 7EA. Cat failure. - Check the health of catalytic converter. - Check for cracks in muffler. - Check air leaks. In this case, $7 represents mode 7, which basically means diagnostic code request. E8 (or E9) indicates that you request fault codes from module E8 (or E9). In conclusion: $7E8: request codes from the engine module. $7E9: request codes from the transmission module.Apr 28, 2020 · (YIKE!) my ODB II scanner says codes 7E8 and 7E9. 7E8: Engine, 'no code stored in module' 7E9: A/T, PO882 TCM power input signal low turned off car. wouldnt start because battery was still too weak. jumped car again. this time i let the car sit idle for 20min. check engine light still on but transmission light is off. same readings with OBD II ... If your car’s dash displays a 7EB code, it implies that an issue with the car’s diagnostic control module has been found. This isn’t similar to a regular check engine light, which indicates that the engine has an issue. Also, remember it’s different from the 7ea engine code. This code is usually generated when there is an issue with the ...Jan 12, 2023 · Check engine light - Remember that the 7E8 code is related to the engine powertrain. The check engine light will light up on the dashboard when the engine has an issue. The 7E8 code will be stored whenever the engine has a problem, and the CEL will illuminate. Poor engine performance - Your vehicle will have a hard time going uphill, especially ... That is what they call a "generic" code. Some OBD11 or OBD2, "same thing", scanners will give a $7E8 and $7EA. together and maybe a $7E9. These are for a sub menu. Click on each one separately and you should or might get a regular "P0" code if your scanner has the supported module. If not either get a better scanner orEXPERT. Hi, These two terms are really not codes, at least not diagnostic trouble codes. The 7E8 is an engine data menu. The 7E9 is the same for the transmission. Is the check engine light staying on when the engine is running? Are you experiencing any engine or transmission issues?The codes are a menu of systems that the OBDII scanner can access. OBDII scanner interprets the codes and displays the menu. Some scanners can't solve these codes and show the codes instead of the interpretation. Clicking on the code menu will read the OBDII codes (e.g. P0420 or P0455), if any, from that system. Menu Code 7E8 ($7E8): Engine SystemFeb 17, 2014 · 7E8 ENGINE CODE - Hyundai Cars & Trucks question. $7E8 and the $7E9 are fuel/ air intake codes, as for the P1326 Ok, this code is set when the knock sensor detects vibrations from engine rod knock, however, it may be set falsely due to incorrect knock sensor logic programming in the engine control module. 0 answers. CODE:801C20 ZGM. central faulty memory.2-D36D54SIGNEL 3-4809AB undervoltage. Please help me fix this problem BMW125I M Sport 2013. Be the first to answer Feb 17, 2022 • BMW Cars & Trucks. 0 answers.The engine light came on and we checked the codes and the code came up $7E8 and $7EA. we believe these are generic codes and the $ could be optional. 7E8, 7EA. Cat failure. - Check the health of catalytic converter. - Check for cracks in muffler. - Check air leaks.Sep 22, 2012 · What does BMW fault codes $7E8:Engine mean ? Whats about BMW fault code $7EC ? Its a 2008 328i base sedan. It idled a little rough last night. This morning it started rough, ran for about three minutes and shut off. I plugged a Cen-Tech brand reader in and those codes appeared. Found this on a Google search. p2098 $07E8 Post catalyst fuel trim system too lean bank 2. p2272 $07E8 o2 sensor signal stuck lean bank 2 sensor 2. Probably best to rescan yours with a specific BMW code reader such as INPA or a Creator 310+ handheld scanner that will have a better explanation of the codes. The code you have points to too much ...The engine light came on and we checked the codes and the code came up $7E8 and $7EA. we believe these are generic codes and the $ could be optional. 7E8, 7EA. Cat failure. - Check the health of catalytic converter. - Check for cracks in muffler. - Check air leaks.I have a 2012 Sante Fe. Check engine light is on. Used my OBDII reader and the only codes that would come up are $7E9, and $7E8. No other codes would come up when I tried to get more information from … read moreWhat those these codes mean 07E8 07E9. 07E8: codes were requested from your vehicle's engine module. 07E9: codes were requested from your vehicle's transmission module. You should be able to click on those codes if you're using a capable scan tool, and you'll see which powertrain (PXXXX) codes are stored. Oct 18, 2022 • Ford Cars & Trucks.Sep 24, 2013 · Your $7E8 and the $7E9 are fuel/ air intake codes, as for the P1326 Ok, this code is set when the knock sensor detects vibrations from engine rod knock, however, it may be set falsely due to incorrect knock sensor logic programming in the engine control module. Codes $7E8, $7E9 and P1326? - CarGurus.ca $7E8 and the $7E9 are fuel/ air intake codes, as for the P1326 Ok, this code is set when the knock sensor detects vibrations from engine rod knock, however, it may be set falsely due to incorrect knock sensor logic programming in the engine control module.Jul 9, 2021 · 5 satisfied customers. Check Engine Light came on. Used a fried's diagnostic. Check Engine Light came on. Used a fried's diagnostic machine and it showed codes: $7E9:A/T and $7E8:Engine … read more. SOURCE: I have a 2008 chevy impala. The car suddenly. ur vehicle is in limp mode[ a safe mode ] which will get u home trying not to cause any damage to engine --theirs a few reasons the vehicle will do this-low oil pressure-transmission problem-have vehicle scanned most auto stores such as auto zone / advanced auto [check ur local area]do this service for free the code gives u a start point ...Feb 2, 2017 · The code is a menu of systems that the OBDII scanner can access. OBDII scanner interprets the code and displays the menu. Some scanners can't solve these codes and show the codes instead of the interpretation. Clicking on the code menu will read the OBDII codes (e.g. P0420 or P0455), if any, from that system. Menu Code 7E8 ($7E8): Engine System Jul 30, 2020 · Repair costs associated with replacing a bad MAF sensor, average $230-280 in parts and labor, while a damaged oil pan can run anywhere from $570-630 in parts and labor. To properly diagnose the 7E8 code, visit a reliable service center. 1 Answer. SOURCE: engine code $7E8: engine. $7E8 and $7E9 are sub menus for the Engine and Transmission. You need to select one and press enter. It will then give you the code for that sub menu. Posted on Apr 27, 2012.The code is a menu of systems that the OBDII scanner can access. OBDII scanner interprets the code and displays the menu. Some scanners can't solve these codes and show the codes instead of the interpretation. Clicking on the code menu will read the OBDII codes (e.g. P0420 or P0455), if any, from that system. Menu Code 7E8 ($7E8): Engine SystemMay 8, 2020 · I have a 2010 chevy silverodo that displayes three codes ($7EA, $7E8 and $7EB) I cleared the codes and the light stays off untill I use the remote start. then the engine starts and quits after about 3 … read more The codes are a menu of systems that the OBDII scanner can access. OBDII scanner interprets the codes and displays the menu. Some scanners can't solve these codes and show the codes instead of the interpretation. Clicking on the code menu will read the OBDII codes (e.g. P0420 or P0455), if any, from that system. Menu Code 7E8 ($7E8): Engine SystemMy 2014 is showing these same codes. “Engine” and “transmission” are not very specific. Can’t seem to find any more information. Nov 9, 2020 #3The codes are a menu of systems that the OBDII scanner can access. OBDII scanner interprets the codes and displays the menu. Some scanners can't solve these codes and show the codes instead of the interpretation. Clicking on the code menu will read the OBDII codes (e.g. P0420 or P0455), if any, from that system. Menu Code 7E8 ($7E8): Engine System7EA: Call for more information for scanning the ECU 3. 7E8: 7E8 is a submenu for the ECU, not an issue one. If the tool shows this one, it indicates that the Engine Control Module (ECM) has issued a request signal. 7E9: When you see this, there is a transmission control module (TCM) request code. You can resolve this by repairing transmission ...Oct 29, 2017 · The codes are a menu of systems that the OBDII scanner can access. OBDII scanner interprets the codes and displays the menu. Some scanners can't solve these codes and show the codes instead of the interpretation. Clicking on the code menu will read the OBDII codes (e.g. P0420 or P0455), if any, from that system. Menu Code 7E8 ($7E8): Engine System Mopar Certified. Dodge Technician. Vocational, Technical or Tra... 8,409 satisfied customers. 2012 dodge charger srt8 threw codes 7e8 and 7e9 after dealer. 2012 dodge charger srt8 threw codes 7e8 and 7e9 after dealer performed a oil change and brake service. … read more.I have a 2007 CHevy Impala 3.5 lt engine. The engine light came on and we checked the codes and the code came up $7E8 and $7EA. we believe these are generic codes and the $ could be optional. 7E8, 7EA. Cat failure. - Check the health of catalytic converter. - Check for cracks in muffler. - Check air leaks.7E8 and $7E9 are sub-menus for the Engine and Transmission. You need to select one and press enter. It will then give you the code for that submenu. the code will be 4 digits and start with either a P,B,C,or USOURCE: I have a 2008 chevy impala. The car suddenly. ur vehicle is in limp mode[ a safe mode ] which will get u home trying not to cause any damage to engine --theirs a few reasons the vehicle will do this-low oil pressure-transmission problem-have vehicle scanned most auto stores such as auto zone / advanced auto [check ur local area]do this service for free the code gives u a start point ...The code is a menu of systems that the OBDII scanner can access. OBDII scanner interprets the code and displays the menu. Some scanners can't solve these codes and show the codes instead of the interpretation. Clicking on the code menu will read the OBDII codes (e.g. P0420 or P0455), if any, from that system. Menu Code 7E8 ($7E8): Engine SystemSOURCE: I have a 2008 chevy impala. The car suddenly. ur vehicle is in limp mode[ a safe mode ] which will get u home trying not to cause any damage to engine --theirs a few reasons the vehicle will do this-low oil pressure-transmission problem-have vehicle scanned most auto stores such as auto zone / advanced auto [check ur local area]do this service for free the code gives u a start point ...If You have a code 7E8 that means that there is a problem somewhere within the engine. You will need to use a more advanced scan tool to read the rest of the code to help pin point the problem. Frequently it is a catalytic converter problem though on BMW vehicles. Code 7E8 in a BMW means that there is a problem with the catalytic converter.The codes are a menu of systems that the OBDII scanner can access. OBDII scanner interprets the codes and displays the menu. Some scanners can't solve these codes and show the codes instead of the interpretation. Clicking on the code menu will read the OBDII codes (e.g. P0420 or P0455), if any, from that system. Menu Code 7E8 ($7E8): Engine SystemEXPERT. Hi, These two terms are really not codes, at least not diagnostic trouble codes. The 7E8 is an engine data menu. The 7E9 is the same for the transmission. Is the check engine light staying on when the engine is running? Are you experiencing any engine or transmission issues?Some scanners can't solve these codes and show the codes instead of the interpretation. Clicking on the code menu will read the OBDII codes (e.g. P0420 or P0455), if any, from that system. Menu Code 7E8 ($7E8): Engine System. Menu Code 7E9 ($7E9): Transmission System. Menu Code 7EA ($7EA): Engine Management.The codes are a menu of systems that the OBDII scanner can access. OBDII scanner interprets the codes and displays the menu. Some scanners can't solve these codes and show the codes instead of the interpretation. Clicking on the code menu will read the OBDII codes (e.g. P0420 or P0455), if any, from that system. Menu Code 7E8 ($7E8): Engine SystemUnderstanding the 7E8 code. The 7E8 engine code is a generic code indicating an issue with the engine control module ( ECM ). It is not specific to a single problem; rather, it signifies that the ECM has detected an irregularity within the engine’s operation. To narrow down the issue, further diagnosis is necessary.The 7e8 engine code is one of the most common codes, meaning that it can be caused by many things. Some possibilities are: A bad throttle position sensor (TPS). The TPS sends information to the engine computer so that it knows how much air is entering your car's cylinders. If this part fails, it will cause a 7e8 engine code to appear on your car's dashboard or in its data log. A broken wiring ...In this case, $7 represents mode 7, which basically means diagnostic code request. E8 (or E9) indicates that you request fault codes from module E8 (or E9). In conclusion: $7E8: request codes from the engine module. $7E9: request codes from the transmission module.Aug 2, 2020 · 7E8 and $7E9 are sub-menus for the Engine and Transmission. You need to select one and press enter. It will then give you the code for that submenu. the code will be 4 digits and start with either a P,B,C,or U You can fix this engine code by repairing faults or malfunctions in the transmission system. Engine code 7EA. The OBD scan tool will display this engine code when it needs more information about the engine control unit 3. You can fix this engine code by scanning ECU #3 and fixing faults. Engine code 7EBA faulty FTPS can provide inaccurate readings, causing the 7E8 engine code to be triggered. To resolve this issue, inspect the FTPS for any signs of damage and replace it if necessary. A faulty seal of the fuel pump: The fuel pump seal ensures a proper connection between the fuel pump and the fuel tank.Think car OBD2 Scanner Code Reader for Car – $130.44 to $154.90. ABS/ SRS and Engine complete OBD reader with Wi-Fi update and 28-reset. Read and erase any faulty codes easily, and it works on more than 1000+ car makes. It comes with a big five inches touch screen and Android 7.0, which makes it portable. Jul 8, 2013 · $7e8 code engine - Buick Enclave question. Battery drain on 04 park ave Battery is draining in hours and the alternator gets hot even when shut off. replaced the battery and had the alternator rebuilt making sure the shop replace the diodes and the regulator. put them back on and the same problem, if i remove the bat 1 fuse drain stops car runs but no dash lights , ac and other items don't ... The engine light came on and we checked the codes and the code came up $7E8 and $7EA. we believe these are generic codes and the $ could be optional. 7E8, 7EA. Cat failure. - Check the health of catalytic converter. - Check for cracks in muffler. - Check air leaks.The code 7e8 in a Volkswagen Jetta means is a fuel intake code. This means that the knock sensor in Your vehicle has recognized that the engine rod rack is vibrating loosely, or rocking. Most of the time, this is not an actual problem with the rack, but rather the knock sensor has logic progRamming within the engine control module that should be redone or replaced.The 7E8 engine code means that there is a problem with the emissions control system. The most common cause of this code is a faulty oxygen sensor. The oxygen sensor is part of the emissions control system. It monitors the amount of oxygen in the exhaust gases. | Chwhqxeriybd (article) | Mlvyqw.