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Check Engine Light
I appreciate the input from everyone. As it turns out, the check engine light went off after a long trip and new gas. I will assume that means that I picked up some bad gas somewhere.- hhpiper
- Post #9
- Forum: Engine & Drivetrain
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H
Check Engine Light
The gauges on Tahoe's and Yukon's of this vintage have a history of bad gauges. My oil gauge is pinned to high pressure but will swing wildly back and forth depending on the weather. My temperature gauge is bad as well. There are kits available on the internet to replace the gauges along with...- hhpiper
- Post #7
- Forum: Engine & Drivetrain
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H
Check Engine Light
Thanks for the replays. I don't know the code but will find out. It probably is due for new plugs which can be easily done. We live in Tampa, Florida and we've had an unusual amount of rain over this summer so that also could be an issue.p as well. One item I should have mentioned which could...- hhpiper
- Post #5
- Forum: Engine & Drivetrain
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H
Check Engine Light
My mechanic just told me that the check engine light on my 2005 Yukon 5.3 came on because of excessive noise in the engine. Apparently, there is a sensor in the engine that detect excessive engine noise. Has anyone experienced this? He said the noise could be due to weak gas or just the high...- hhpiper
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- Replies: 8
- Forum: Engine & Drivetrain
