Question about 1989 Buick Regal

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Car keeps stalling

My 89 buick regal 3.1 keeps killing when you give it gas the engine is running great and I just put new computer in it and new coil pack

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  • yadayada
    yadayada May 11, 2010

    Have you run the test for computer trouble codes?

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Try changing the coil pack module. im having the same problems. this is my next step.

Posted on Apr 05, 2009

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A fault code reader would be a huge help in diagnosing general problems.
It plugs in under left side dash and gives specific failure codes (this is what mechanics use).
You can buy an OBD-I code reader (for most cars before 96) or a OBD-II which reads all cars from 1996-on online for $80. It will also reset faults or engine trouble lights.

You may want to check your fuel pressure with a gauge.


Posted on Oct 25, 2008

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1 Answer

1988 buick regal stalls and restarts stalls and restarts


Sounds like a relay or coil failing.
To proceed you would need to find out if you are loosing spark to the plugs or fuel pressure to the injectors when it won't start.

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How many miles does an 1997 Buick Lesabre usually last?


Gm says a 3800 engine should last ove 400,000 miles with normal service. This engine for 97 will probably need a new plastic intake manifold one day. They will leak coolant into the combustion chamber and some un-educated mechanics will tell you that it needs head gaskets as they don't have a head gasket problem. The oil pan may leak on this car too, replace it with a fel-pro perma dry gasket and it will stop it. Mine has 297,000+ miles on it.

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My 89 buick century keeps stalling


Give it a tune-up get the good stuff.
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1 Answer

Car shakes when @ a complete stokes


Mass air flow meter,.fuel filer clogged bad fuel pump, map sensor vacumn line came off ???

Dec 15, 2008 | 1989 Buick Regal

1 Answer

2002 Regal - Engine kills right after starting cold.


There are 3 things that cause this, 1st and most common is a dirty idle speed control valve, 2nd is carbon on the back of the intake valves, last but not least is the wrong octane of fuel, if it requires 89 Octane and 91 or 92 is used the engine will stall code.

To clean the dirty idle control valve follow this procedure:
Here is the most common cause of surges and stalls, it is the idle speed control air-bypass valve and throttle valve, they get full of gunk over the miles and cause idle issues (stalls) 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.

Nov 17, 2008 | 2002 Buick LeSabre

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