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Needing Help :( !! Warning Lights..... Code 1633 (Kam) Cant Find Cause


steven243
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hi ive got a fiesta zetec 1.6 and the warning light has come on for the engine management.... was told it could be a earthing problem have cleaned up the earth mounts and the is are still on was also told it could be the indicator stalk has fused and is causing problems that way but personaly dont think theres any truth in it..... has anybody els had this problem ? please help ive got the car booked for a mot on friday the 10th of may

many thanks to any body that can help or has taken the time to read this :)

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if you have cleaned all the earth points have you checked the voltage into the ecu, this is all i can think of for the keep alive memory code,where did you get the code from as P1633 is the Fuel Demand Command Signal Circuit Malfunction.


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if you have cleaned all the earth points have you checked the voltage into the ecu, this is all i can think of for the keep alive memory code,where did you get the code from as P1633 is the Fuel Demand Command Signal Circuit Malfunction.

the code came from an AA code reader ...

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