Mechanics

CHEVROLET CAVALIER SENSOR PROBLEM

2004 Chevrolet Cavalier • 54,000 miles

Temperature gauge is all the way to the right, spedometer reads 10 miles faster than what it is, and fuel gauge is incorrect.
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Guest
January 25, 2013.




Maybe a problem with instrument cluster?
The temp gag e defaults to 160 degrees if,
The pcm detects a malfunction in the engine coolant temp sensor circuit.
The ipc/instrument panem cluster detects a loss of class 2 communications with bcm/body control module.
The bcm detects a loss of class 2 communications with pcm/power train control module.

The fuel gage defaults to empty if,
the pcm detects a malfunction in the fuel level sensor circuit.
If ipc losses communications with bcm.
If bcm losses communications with pcm.

Check applicable trouble codes. Some of the national brand autostores will check codes for free. See if the codes will point in correct direction?

JDL
Jan 25, 2013.


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