1988 Oldsmobile Cutlass Supreme "symptoms bad egr valve gm" Questions

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Question about Oldsmobile Cutlass Supreme

2 Answers

...symptoms of a bad egr? An EGR that is stuck opencan very well cause the symptom you are decribing, including surging at idle and poor acceleration. Failure of GM EGR Valves is quite rare. A common ...

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...bad PCV valve. Also could be a large vacuum or air leak, like the intake manifold gasket. Good luck. First I'd double check the plugs were attached in the right order if you mix a couple up it can ...

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bad and it does not pick up any codes. I have been trying to check the EGR valve and every diagram I find seems to put in a different location. I vented yesterday about GM so won't repeat it here. You

Question about Oldsmobile Cutlass Supreme

1 Answer

...bad water temp sensor will tell the computer that the engine is cold causing it to dump more fuel than it really needs thus flooding the engine. The only way to start the engine is to open the ...

Question about Oldsmobile Cutlass Supreme

1 Answer

Bad idle on my 1995 GMC Jimmy. 4.3 Vortec CPI 4x4. 163k miles. When I turn the truck over, fires right up, and then goes into a sick idle cycle. The idle throttles from 500RPM to about 1500RPM and ...

symptoms as of now are smooth fast idle on cold start, rough serging idle when hot and when throttling up. So how do i fix it?? Help! Please? The system types are: engine tag:: 4.3 liter n3g4 3tbxe b2

...bad key. Here is the cranks but won't run procedure from gm's service manual, ignore the parts about spark pligs wires and distributor those are obviously good if it will fire on starting fluid. ...

Question about Oldsmobile Cutlass Supreme

6 Answers

...symptoms of blown head gasket. Have a look at the throttle body. Look for vacuum leaks using an hand torch and a pressure gauge. Using the same gauge test also the fuel lines and the fuel pump. Check ...

Question about Oldsmobile Cutlass Supreme

1 Answer

...symptoms change the ECM is bad it's very common in the early-mid 90s for the computers to go bad in one way or another the circuit boards come loose and suffer also from cold solder joints. Make sure ...

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