Is Your 2008 Dodge Avenger Running Rough?
The Engine Control Module (ECM), often called the engine computer, is the central command center of your 2008 Dodge Avenger. It meticulously manages everything from fuel injection and ignition timing to transmission shifting and emissions control. When this critical component begins to fail, it can cause a cascade of frustrating and seemingly unrelated problems, leaving you stranded and facing a confusing diagnosis. If you’re dealing with a persistent check engine light, unexplained stalling, poor fuel economy, or a car that simply won’t start, a faulty ECM is a very likely culprit.
From the Diagnostic Bay
We recently had a 2008 Dodge Avenger with the 3.5L V6 come into the shop. The owner was at his wit’s end. The car would start fine cold, but after about 15 minutes of driving, it would intermittently sputter, lose power, and sometimes stall at red lights. No consistent trouble codes were being stored, just a generic P0300 random misfire code that would pop up occasionally. We checked the fuel pressure, spark plugs, and coils—all were fine. After connecting a scope, we noticed the injector pulse width signals were becoming erratic as the engine bay heated up. This pointed directly to a heat-soaked, failing driver inside the ECM. We installed one of our pre-programmed units, and the car ran perfectly. It’s a classic case of how a failing ECM can mimic other component failures, making accurate diagnosis tricky without experience.
The Ultimate Solution: A Programmed 2008 Avenger Engine Computer
Don’t let a faulty module keep your vehicle off the road. This replacement Engine Control Module is the definitive solution for your 2008 Dodge Avenger or 2007-2008 Chrysler Sebring. We take the guesswork and high costs out of the equation. Unlike a generic part from a local store or a salvage yard unit, this ECM arrives at your doorstep fully programmed to your vehicle’s specific Vehicle Identification Number (VIN) and mileage. This means the unit is ready for immediate installation right out of the box—no expensive trips to the dealership for programming or flashing are required. It’s a true plug-and-play fix that restores your vehicle’s factory performance and reliability.
Common Symptoms of a Failing ECM
- ✔ Check Engine Light: The light is on, and you may have codes related to sensors, misfires, or communication errors.
- ✔ Engine Stalling: The engine stalls unexpectedly, either while driving or at idle.
- ✔ No-Start Condition: The engine cranks but refuses to start, often due to a lack of spark or fuel injector signal.
- ✔ Poor Performance: Noticeable loss of power, hesitation during acceleration, and rough idling.
- ✔ Reduced Fuel Economy: Your vehicle is suddenly consuming more fuel than usual.
- ✔ Erratic Transmission Behavior: The automatic transmission may shift harshly, late, or not at all, as the ECM often controls its functions.
- ✔ Intermittent Issues: Problems that appear and disappear, often getting worse as the vehicle warms up.
This module is a direct replacement for a wide range of original part numbers, ensuring broad compatibility. Please verify that your original part number is on the list below to guarantee a perfect match.
Compatible Part Numbers: 05033708AD, 05033708AE, 05033707AJ, 05033708AF, 05094721AA, 05094721AB, 05094721AC, 05094721AE, 05094721AG, 05094721AH, 05094721AI, 05094721AJ, 05094721AK, 05094721AL, 05094721AM, 05094721AN, 05150157AH, 05094721AO, 05094858AA, 05094858AC, 05094858AD, 05094858AE, 05094858AF, 05187343AF, 05150245AC
AVENGER 08 Electronic Control Module; 3.5L
SEBRING 07-08 Electronic Control Module; 3.5L
AVENGER 08 Electronic Control Module; 2.7L
Frequently Asked Questions
What is an ECM and what does it do?
The ECM, or Engine Control Module, is a powerful computer that acts as the ‘brain’ of your vehicle’s engine. It uses data from various sensors to control fuel delivery, spark timing, and emissions systems to ensure optimal performance, fuel efficiency, and low emissions.
Is this part really ‘plug-and-play’?
Yes. We program the module with your vehicle’s specific VIN and mileage before shipping. This ensures it communicates correctly with all other systems in your car. All you need to do is disconnect the battery, swap the old module with the new one, and reconnect the battery. No dealer visit is required.
How do I find my vehicle’s original ECM part number?
The part number is printed on a sticker directly on the metal case of your current engine computer. You will need to locate the module in your engine bay (often near the battery or firewall) to read this number.
Will this fix my check engine light?
If the check engine light is caused by a faulty ECM, this replacement part will solve the problem. However, it’s essential to properly diagnose the trouble codes first to ensure the issue isn’t with a sensor or another component that the ECM is correctly identifying as faulty.
Do I need to perform a security relearn procedure?
Because we pre-program the unit with your VIN, the security information is already synced. In most cases, no additional security relearn or key programming is necessary for your 2008 Dodge Avenger or Sebring.