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The OBD connector for the scanner is powered by the same circuit as the cig lighter. If the fuse is blown, the testing facility can not access the computer on the car.
on May 30, 2013
Hhr starts and runs fine but will not accelerate,why?
The MAF sensor is acting up on it. It start and run at idle but when you go to accelerate it doesn't want to do anything. The MAF isn't doing it's job anymore of telling the ECM that there's more fuel needed to the engine. Replace it, which is mounted near the air cleaner box, and the car should run just fine after that.
on Mar 07, 2013
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