Hummer H2 Sut Wiring Diagram

Hello, I have repaired higher than 30000 vehicles in my career and I craving to ask you questions past I am not there in person to stockpile facts, data, or to test your vehicle. I may ask you to put on an act examination in my stead. If chemical analysis is needed and you would rather not perform testing, I can give my best advice, Fuel pressure?

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Thanks for your response. I just checked what you mentioned, that I hadn't already checked, except fuel pressure.Let me say you a little more practically the problem history. It currently has a master tech certified idle air rule valve and tps installed. without moving anything, the last (used) ecu and my original, would rule in the car without this symptom.

This could be a large vacuum leak ,with the MAF united it is forlorn measuring the expose that is getting taking into account the MAF, as a result if the intake manifold is sucking in air the let breathe to fuel ratio will be agreed out and cause the engine to stall. If MAF is disconnected the engine goes into a limp measurement and lets the engine run. in the same way as carb cleaner spray can spray in the place of the hissing later the engine meting out and subsequently you hear the engine stall or rev innovative there is the leak ,could be a bad vacuum hose bad gasket on the manifold.

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