Question about 2003 Pontiac Sunfire

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2003 Sunfire automatic 245000km runs well, engine stops while driving, clicking under the dash, then restarts , runs fine until next time

Engine stops intermittently, all warning lights come on, clicking under the drivers side dash, restarts okay and all warning lights go out. Once happened at 70kmh engine restarted itself and again runs fine. Oil in the engine and trans changed twice a year with amsoil. This problem started after the battery was replaced, Suspect a ground problem, but warning lights come on, then go out.

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  • 373 Answers

With the details that you have provided, it sounds like it may be either a ground, or ignition relay, but I've also encountered the same problem being the starter wire to the starter. The reason I think that is because of your dash lights coming back on .If you have use of a voltmeter you can test and see how much power is actually going to the starter An ignition relay could do the same, but usually won't interrupt the engine after it's running.

Posted on Jan 01, 2013

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Posted on Jan 02, 2017

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SOURCE: engine intermitantly stalls

if this a fuel injected car just check to fuel pressure first.

Posted on Oct 24, 2008

  • 54 Answers

SOURCE: sunfire gt 97 2.4L. car won't start, small

sounds like a starter solenoid went bad which it is easier to replace the whole starter assembly then just the solenoid and you can get one with a LLT Limited Life Time warranty.

Posted on Jun 27, 2009

  • 3 Answers

SOURCE: 1991 Pontiac Transport Engine stall

Problem mayby ECM control unit and couple fuse (EGN)
But your start motor working???
Code 12 meens "No distributor reference pulses to ECM/PCM"


Posted on Aug 21, 2009

  • 1 Answer

SOURCE: Car stops while driving

The lt1 has many sensors that can go bad. When the optispark goes bad the car does not idle regular. When the car shuts off at a light or with the ac on it can be the idle air control (IAC). When the car shuts off when your foot is on the pedal or regular driving it can be the ignition control module (ICM).

Posted on Mar 29, 2010

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Why does my 2003 pontiac sunfire lose all power while driving


That can be the symptom of a bad Ignition Control Module, or also a bad crank position sensor. The ICM can be taken off and tested for free at any parts store. The crank sensor circuit can be tested on the car with a multi-meter. Also small motors (like a fuel pump motor) that are starting to fail can sometimes work until they get hot and then stop working until they cool down again.

Next time the car shuts down and won't restart, check for spark on a spark plug wire with the engine cranking over. If you have no spark, suspect the ignition control module or the crank position sensor. If you still have spark, but won't start, check if the fuel pump is putting gas up to the engine.

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1993 dodge Grand Cherokee with a 318 hard starting when cold until things under hood click and fuel pump runs.


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2003 sunfire- came home from work,parked car,about 3 hours later i tried to start car,but it would not start,engine is turning over fine but will not start


Check fuel pump to see if it is starting when you turn on key. Check under hood for fuel pressure. If a fuel pump is on its way out the car will run until you stop and it will not start when fuel level is below 1/4 full. Usually you add fuel and it will start but unless you keep it full it will act up again. if it is happening and adding fuel allows the car to start replace fuel pump because you will have to do shortly anyhow.

Mar 21, 2009 | 2003 Pontiac Sunfire

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