Questions & Answers for: Jeep Wrangler how to repair ecu

...and No pluse Might be your ecu is gone bad. It would display those symptoms. Does the check engine light illuminate on the dash when you turn the ignition on? If not then the ecu is in need of

...check engine light comes on, on the dash, before cranking. If it does not light up on the dash, then the ecu is definitely in need of repair. Repair or replace it; both options are available on

...ecu is surely in need of repair. Those are symptoms of the problem known as the "delayed check engine light problem". You are correct in guessing that some components inside the ecu need to 'warm ...

...ECU is in need of repair. The engine will only start after the check engine light comes on and the ecu is what controls that. ECU is likely going bad, causing the delayed start problem typical of ...

...ECU is in need of repair. The engine will only start after the check engine light comes on and the ecu is what controls that. ECU is likely going bad, causing the delayed start problem typical of ...

...ECU is in need of repair. The engine will only start after the check engine light comes on and the ecu is what controls that. ECU is likely going bad, causing the delayed start problem typical of ...

...it will start No software upgrade will fix that bad ecu. There are electronic components inside the ecu that need to be replaced. Services for repair or replacement of your ecu are available on

...ECU is in need of repair. The engine will only start after the check engine light comes on and the ecu is what controls that. ECU is likely going bad, causing the delayed start problem typical of ...

...does NOT light up on the dash, when you first turn on the ignition, then the ecu computer is in need of repair. That computer controls spark and fuel and both will not work if that ecu needs

do i have to take my ecu to the delership to reprogram Why would you need to take the ecu to be reprogrammed? Did you replace or repair it?