Question about 1997 Pontiac Bonneville

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High idle my 97 bonneville idled real high when you first start it when warm it runs fine for a few minutes then it will stall out want idle stay above 750rpm

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  • Pontiac Master
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Clean throttle body very good.Check air flter,

Posted on Apr 28, 2013

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Posted on Jan 02, 2017

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SOURCE: OBD 1 and 2 will not communicate with PCM.

a blown fuse will also cause the obd to not communicate

Posted on Nov 12, 2008

  • 1 Answer

SOURCE: 1995 pontiac bonneville stalls

I just went through lots of troubleshooting and expense on my 1996. Whenever I would lift my foot off the accelerator and was below about 30 mph, the rpm's would starts jumping around and sometimes it would stall. If I gave it a little gas (accelerator), I could sometimes keep it running. It also backfired once in a while. Starts right back up. Also, if I let it idle while in part, it would die after 1-2 minutes.

I ended up finding a hole in the fuel regulator. About a ~$70 part if you get an AC Delco, but very simple to change.

Posted on Dec 24, 2008

haider_alhar
  • 90 Answers

SOURCE: car idle too high and dies

check your fuel pump

Posted on Jun 01, 2009

  • 1341 Answers

SOURCE: engine stalls when warm, idles faulty

I would suggest a computerised diagnostic to find the fault else it may take forever..

Posted on Jun 15, 2009

  • 62 Answers

SOURCE: 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.

Posted on Aug 07, 2009

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2 Answers

Stalls after start up, Stalls when braking, then runs fine after a few minutes


Check the ECU engine temperature sensor. If it thinks the engine is hot, it will struggle to run when cold.

Mar 06, 2014 | Volkswagen Beetle Cars & Trucks

1 Answer

High low idle, rough idle stalling


If it's surging, make sure your radiator is full. Do a tune up, plugs, wires, etc. Put some fuel injector cleaner in your fuel tank. On a cold start the vehicle compensates for being cold by adding fuel. Once it warms up the computer tells it to quit adding extra fuel. If it is a bad sensor of sorts, check engine light should come on.

Dec 11, 2013 | 1987 Ford Tempo

1 Answer

97 3.9 dakota when it's cold outside and I start my truck it'll start right up but idle down til it quits . Start it again and it will idle.. Go down the road and it misses bad until it warms up. After it...


Here are the most common causes of idle surge, rough idle esp when cold and stalls at stops, slow idle speed, erratic idle speed, rough idle and engine hesitation (and other problems), it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion residue over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.

Jul 09, 2017 | Cars & Trucks

1 Answer

I have a 1992 Honda prelude that when it starts up it idles at 1100rpms fine but after it runs for like five minutes it drops idle to 900rpms and as soon as I hit the gas it stalls out..... It starts right...


on a cold start car will idle fast till it warms up then will drop to about 1000 rpm, try increacing idle speed so when it warms and drops it should stay idleing

Feb 12, 2012 | 1992 Honda Prelude

1 Answer

98- bonneville started to warm up ran for few minutes then died. waited about 1/2 then started again drove around block parked in drive let idle died again. also when it rains car idles rough .


check and or change the plug wires also check for a crack coil pack which is highly likely on that model and also check the ignition module as well

Jan 22, 2010 | 1998 Pontiac Bonneville

1 Answer

1990 full size blazer starts fine idles then dies


sounds real easy either a bad idle air control solenoid or more likley a blown throttle body gasket. to test fro a blown gasket, with engine running and cool spray carb cleaner or brake cleaner around base of tb were it bolts to intake. when it hits the bad area, should idle down and be normal for a second or 2. iac is possible,try this first since its so common and let me know

Aug 26, 2009 | 1990 Chevrolet S-10 Blazer

2 Answers

97 bonneville intermitant stalling


leake intake manafold or bad vac line... try warm soapy water on running motor out of a spray bottle to find leak... the reason the censor seemed to hel is that the take time to set them selfs... after set back to square 1 leak in the air side of motor... typical in your car...

Jul 08, 2009 | 1997 Pontiac Bonneville

1 Answer

Car starts fine..Idle is fast...stalls after car warms up


Check for vacuum leaks. Also try cleaning the ISV.


If that doesnt work go to vwvortex.com and post your issue there

Jul 08, 2009 | 1989 Volkswagen Golf

1 Answer

Car not idling adn stalling when it is cold


sounds like the idle control vale is sticking when it is cold. It is located on the throttlebody right at the air inlet

Feb 24, 2009 | 2001 Mercury Sable

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