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P0300, P0134, P0135
2003 Suburban 5.3 with 200k miles. On vacation this past weekend and I start feeling a slight miss fire, driving the 20 or so miles to get back home and it gets worse and worse till its very noticeable and constant when driving. The next day I buy a scanner and its showing these three codes...- Tyger255
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- Forum: Engine & Drivetrain
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HVAC Controller issue,
Hello, Just bought a 2003 Suburban for the wife and family to use on vacations. Found one that runs and drives great but does have a few gremlins hiding inside. 2003 Suburban. Having HVAC controller issue. The fan speed control works ok. the temp selector does not change air temp. only...
