harley105

Hey guys, dont know if u can help me or not. I've got an NA Fairlane that is lucky to get around 300ks on a full tank around town. The map sensor has been replaced, car is always serviced, and well maintaned. I took the car to ford, and they claim that there was a plug missing and therefore could not use there computers on it. It also every so often revs rough, eg. in nuteral or park, occasionally u rev it at about 1500, and it spluters and neally stalls. It sounds like u are reving the engine yourself. Any help would be greatly appreciated. Anbd could someone please tell me how to reset the computer.

Thanks

big1

Resetting your computer is a simple task. You can either remove your "ECM" fuse for 10 second's or disconnect your negetive battery cable for the same amount of time.
As to the roughness of your engine and unexplained reving, it seem's that your computer is seeking data. This can be caused by many thing's. The most common of which is low alternator output. Hase this been checked? Secondly your timing default plug my have accidently became grounded. This is a plug near your ignition module that seem's to be unplugged. There is supposed to be a cap on it, but sometime's it is missing, if it is missing, clean the connector and cover it with tape to prevent future problem's. Thirdly, check to make sure that your air intake tube is secure and sealed, if it leak's the Mass air sensor get's a bad signal.
Your dealer is probably incorrect about the missing data plug. I'll bet that if you or they look closer it will be found.
I hope that this help's

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harley105

Thanks for that big, will try that out and let u know