ncv1 plausabilty error

showkey

Well-known member
PLAUSIBILITY ...........Generally speaking one or more sensors are out the range the ECU is expecting.

Simple examples..........

key on, engine off, cold ............coolant temp and intake temp should be near equal...........if not plausibility code might result.

key on, engine off on many systems baro and MAP should be equal.


there are many other plausibility codes when the engine is running.
 

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