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Re: Suburban miss fires after going up a hill?
Yes fuel pressure is good and 02 are good too. The problem obviously is the intake gasket when we replace it the problems goes away then it returns as the days go past. Why this happens beats me. Why do you say the thread is dead?
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Originally Posted by jtmarten
Dead thread. But, have you checked the O2 sensor(s) and the fuel pressure regulator?
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