Question about 1991 Buick Century
My check engine light comes on for about 5 minutes and then goes back off. What could be the problem
You will need to have this scanned. That car has the older OBD system that will give you a basic code when scanned and further testing of the advised area may be needed. From my own experience, if it is on for approx 5 minutes once the engine is warmed up, it usually is the oxygen sensor. Again, you will need have it scanned for the code to be sure of what to verify.
Posted on Oct 19, 2008
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Posted on Jan 02, 2017
Before you do anything else you are just going to have to read the codes. So buy the maintance book at autozone,locate the little juction box on the fire wall and jump the terminals with a little wire. Then of course sit in the drivers seat turn on the key(do not start) and read the blinks. Then you will know what the problem is.
Posted on May 06, 2009
SOURCE: the check engine light (MIL)on
THE LIGHT IS STORING A CODE IN THE PCM.NEED TO HAVE THE PCM READ BY A SCAN TOOL .ONCE U HAVE THE CODE U WILL FIND OUT WHAT CIRCUIT THE PROBLEM IS IN,.
Posted on May 06, 2009
Well the sensors are reporting a failure in the engine/transmission. So either they are right or wrong has to be assessed by the nature of the alarms or sensor faliure, but the problem remains, hence if all primary steps of investigation start by hooking up to a PC specially built to rectify such problems. This facility is available at most of the gas service stations/centers..................sodeep
Posted on Jul 31, 2009
2002 7.3, until Temp gauge reaches 1/4 warm, if driving the check engine light comes on, if I leave off throttle check engine light goes out, once engine is up to Temp all runs fine, motor only has 111,113 on it
Posted on Jul 29, 2011
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