This Engine Computer also referred to as an Engine Control Module (ECM), Engine Control Unit (ECU) & Powertrain Control Module (PCM) is a guaranteed replacement for all 1998 Jeep Wrangler N/A PCM models with a 4.0L engine size and matching part number 56041617AF.
How do you tell if Jeep PCM is bad?
- Identifying Jeep PCM failure. ...
- Vehicles fail or roughly starts. ...
- Systematic loss of gas mileage. ...
- Stalling or stuttering engine. ...
- Vehicle randomly shifts. ...
- Failure in emission tests. ...
- PCM DTC codes keep appearing on the diagnostic device.
How do I know if I need to replace my ECM?
Signs Your ECM or PCM Might Need Replacing Engine Performance Issues – You'll notice a reduction in fuel efficiency, power, and acceleration. Car Not Starting – Your vehicle does not start or is difficult to start. The engine may still crank but won't be able to start without vital inputs from the computer.Jan 23, 2019