E-Class (W211) 2003-2009

2004 E55 AMG running horrible

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Old 07-13-2022, 10:41 PM
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2004 E55 AMG
2004 E55 AMG running horrible

So had checked the SAM module under the hood of the car. It had some corrosion on some of the connections on the board the holds the fuses but, nothing on the actual circuit board, I cleaned it up and same thing still happens with the car. The car will sometimes misfire then sometimes not when started. Once you put any driving load on the car, seems to want to stall misfire gets worse. The throttle body intermittently twitches, it does not do it all the time just sometimes at idle. It’s giving me random misfires. I also noticed my radiator fan only turns on when ac is on. Radio stopped working, it work intermittently. My vents inside of the car all of a sudden work again. Under the communication side of the car, I’m getting a code 930E (synchronization of the DTC memory cannot be ensured). The radio is throwing code D135 (The wake-up wire has short circuit to ground). Can this related to the SAM, ECU or along those lines. I’ve been trying to figure this out for over a year now.
So had checked the SAM module under the hood of the car. It had some corrosion on some of the connections on the board the holds the fuses but, nothing on the actual circuit board, I cleaned it up and same thing still happens with the car. The car will sometimes misfire then sometimes not when started. Once you put any driving load on the car, seems to want to stall misfire gets worse. The throttle body intermittently twitches, it does not do it all the time just sometimes at idle. It’s giving me random misfires. I also noticed my radiator fan only turns on when ac is on. Radio stopped working, it work intermittently. My vents inside of the car all of a sudden work again. Under the communication side of the car, I’m getting a code 930E (synchronization of the DTC memory cannot be ensured). The radio is throwing code D135 (The wake-up wire has short circuit to ground). Can this related to the SAM, ECU or along those lines. I’ve been trying to figure this out for over a year now. with the car. The car will sometimes misfire then sometimes not when started. Once you p on the car, seems to want to stall misfire gets worse. The throttle body intermittently twitches, it does not do it all the time just sometimes at idle. It’s giving me random misfires. I also noticed my radiator fan only turns on when ac is on. Radio stopped working, it work intermittently. My vents inside of the car all of a sudden work again. Under the communication side of the car, I’m getting a code 930E (synchronization of the DTC memory cannot be ensured). The radio is throwing code D135 (The wake-up wire has short circuit to ground). Can this related to the SAM, ECU or along those lines. I’ve been trying to figure this out for over a year now.

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