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Very rough idle , gas in the exhaust system, and tranmission doesn't shift right on the highway

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You have a couple of posibilities one is a leaky injector the other is a bad fuel pressure regulator.
a quick check of the fuel pressure regulator by pulling off the vacuum hose and starting the engine and make sure there isnt fuel coming from the regulator . any further test will take a fuel pressure tester.
later
paul

Posted on Oct 02, 2008

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If this information is helpful to you please give me a fixya! Rating

If I can help in any way please let me know Thanks
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