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Re: 2001 chevy express misfire
Posted to Technical Theory Forum on 10/2/2014 1 Reply

Here is a waveform from a jeep 4.7 with a stuck shut exhaust valve. There is always compression in a cylinder with an exhaust valve that will not open. 2002 Jeep Grand Cherokee Laredo, Engine/Propulsion Waveform Login to read more.

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