Check gauges light comes on and the oil pressure goes to zero at idle

Asked by May 23, 2014 at 03:08 PM about the 2003 Chevrolet TrailBlazer LS

Question type: Maintenance & Repair

I have a 2003 Trailblazer. At idle the check gauges light comes on and the oil pressure
goes to zero. It is not making any noises at all. I checked the oil and it is full. It does not
seem to interfere with the way the truck drives.The oil pressure goes up when I step on
the gas and stays where it is supposed to.

2 Answers

16,155

no fuel pressure a low rpm- stop! Check Engine light- stop!

3 out of 3 people think this is helpful.
160

Those early models had issues with the cluster head and the motors that move the needles to their proper reading. No help from GM for earlier models. You can find a cluster repair on EBay, very reasonable considering GM charges about $500 buck for a new cluster. Don't jump on the first guy you find or the cheapest. Read through them and look for someone with a lot of experience and guarantees. There is a guy that explains every possible thing you could ask. Good luck

5 out of 5 people think this is helpful.

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