Question about 2002 Saturn VUE
I just had the water pump, time belt and new thermostat on my 2002 vue. now the check egine goes on, the rpm and gas gage goes up on and down on its own. also the steering wheel gets real tight the check engine light saids to replace the oxygen sensor which has already been replaced multiple times. could it be the computer of the car?
The code doesn't say that the O2 sensor needs to be replaced, it is telling you the O2 is showing that the fuel system is either to rich, (to much fuel) or to lean (not enough fuel), so the sensor is not the issue, most likely something is either wrong with the fuel injectors such as dirty nozzles or there is a vacuum leak or one of the fuel control sensors like the MAF has a problem, it can and is very difficult to sort this out, the Saturn dealer has the diagnostic equip to get the root cause of the problem, are they the ones who did the work? if not take it to Saturn and even though they cost more they won't spend as much time to find the problem, outside shops can't afford this special testing gear, cost is way to high, about $50,000 for the electronic service bay diagnostic systems Saturn has. One last point the computer or PCM as we call it is very rarely the problem, about 4% of the time in fact, very low failure rate.
Posted on Nov 06, 2008
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Posted on Jan 02, 2017
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