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Q: my car runs but wont rav

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I bought a flooded car , I changs d the engine . it starts and runs but will not rav
My car has an automatic transmission.

Hi there:

The biggest problem that water damaged vehicles have is with the electronics; especially with the ECU. It’s possible that the main ECU is damaged; which is why you’re having issues with the engine; especially if it won’t rev when you apply pressure to the throttle. You might be better served to have a professional mechanic complete a car is hard to start inspection to verify what’s damaged and whether it’s going to require serious electrical service to repair.

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