2006 Pontiac Montana SV6 "engine surging" Questions

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WHAT CAUSES ENGINE TO SURGE UNDER GENTLE ACCELERATION? a bad egr valve 

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2004 hilux 1kz-te engine surges at 1800rpm and then looses all power and engine light comes on .Turn engine off for 10 sec and restart with full power but still surges.engine starts easily i have a ...

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engine surging or trans slipping, or shifting wrong. (only you can answer that, we cant drive your car and see) engine surge is not safe, and most cars new can go to limphome mode to make driver safe,

Question about Pontiac Montana SV6

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...engine is surging at rpms over 1500, give or take. Runs fine from idle to 1500, then surges at rpm's over that. She told me it was hard to start the other day. When in nutral, it runs fine from idle ...

...engine and the surging is very evident as when driving. Fuel filter has been changed Engine surges hook a vacuum gauge to the intake manifold and, check for a vacuum leak in vacuum hoses and, ...

a 1992 buick skylark with a 3.3 engine and the engine surges when it warms up If it is surging up and down, then i would say that it is a bad oxygen sensor, or a leaking intake gasket. Hope this helps

Question about Pontiac Montana SV6

2 Answers

...engine is surging the ECM is "hunting" by adjusting the fuel mixture and timing. These adjustment are made by the ECM in a isolating manner as the ECM tries to satisfy its coordinates. These ...

Question about Pontiac Montana SV6

1 Answer

...reference. That'll at least let you know why your check engine light came on. I'm sure it has something to do with the surging as well. You'll at least have a better idea of where to begin

...surging the only symtom.? no engine stalls.? lack of power in any gear or hills. no misfiring? no flooding.? starts easy/? ok what is surge, that it really is idle controls bad or out of comtrol 1: ...

...surging engine, do not be like Toyota drivers. (over 800 rpm hot)

surge from 400 -800 rpm is class 1 surge.
surge from 800 to say 2000 RPM is class2, and very dangerous to some folks, (key ...

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