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1993 pontiac 3.4 high idle - 1993 Pontiac Firebird

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1 Answer

Why is my 1993 Pontiac GP LE 3.1 hard starting,has a rough idle and smoking from tailpipe.


Better get this one to a mechanic. Sounds like you blew a head gasket.

Jul 12, 2014 | 1993 Pontiac Grand Prix

1 Answer

I have a 1993 bonneville it is dying after the oil pressure shoot


have you replaced the throttle position sensor? then try running an oil cleaner thru it it sounds lik you have two problems here.

Dec 15, 2009 | 1993 Pontiac Bonneville

1 Answer

What causes my 1993 grand prix to idle high on start up and keep climbing until the engine light comes on


STICKING THROTTLE LINKAGE OR FAULTY IDLE AIR CONTROL SYSTEM.ALSO THE THROTTLE BODY GASKET LEAK WILL CAUSE HIGH IDLE.

Oct 30, 2009 | 1993 Pontiac Grand Prix

1 Answer

My car stalls constantly


There are two things i would check.First look for vacum leaks.Check all vacum lines,if you dont find any bad spots try spraying brake cleaner around intake manifold and listen for a increase in idle speed.The next thing to check would be the intake air sensor.This sensor tells the ecm what temperature the air is and richens the fuel mixture.

Aug 07, 2009 | 1993 Pontiac Bonneville

1 Answer

My mazda mx 3 idling high


replace fuel pump inside tank

Jan 07, 2009 | 1993 Mazda MX-3

1 Answer

Car nt performing at its best


P0044 - HO2S Heater Control Circuit High. Put a new O2 sensor in it and you should be good.

Nov 08, 2008 | 1993 Pontiac Bonneville

1 Answer

Engine idles high


Check for vacuum leaks at hoses at intake and throttle body. Check the line that comes off of the PCV valve to the air box as well.

Nov 03, 2008 | 1996 Pontiac Bonneville SE CA Value

1 Answer

Idle problem


throttle position sensor is what I replaced on mine. Could also be a short in a wire that controls throttle. That was 6 years ago and it was $100. Took it to a shop, that's all I got.

Jun 24, 2008 | 1993 Pontiac Grand Prix

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