Question about 2003 Pontiac Sunfire

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2003 Pontiac Sunfire Highway Problems

My traction light came on and then my battery light came on. The car started to slow down and the lights dimmed before my car completely shut down. The lights and the radio were still on but everytime I tried to start it, it would start but would cut off.

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Your computer has too many sensors for your car, and the computer shut down. You need to get a computer diagnostics done on your car to see if the computer is still good. That is gonna cost you about 65 bucks to do it.

Posted on Dec 03, 2008

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2003 Pontiac sunfire wont turn over new battery dash lighs up


Pontiac Sunfire Questions - car won't start - CarGurus

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CarGurusAug 16, 2011 - car won't start - replaced ignition lock on 2002 pontiac sunfire antitheft light is ... system goes into fail safe mode and you won't have any more problems. ...lock cylinder on 2003 pontiac sunfire....when new lock cylinder was ...

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Why would using the turn signals make the engine misfire


The common element to me is the battery - bad voltage can upset the computer.

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ABS traction and service light


I have the exact same problem and it only happened when reversing. Sometimes the car shakes like its going to stall while im reversing. Took it to the repair shop paid 600 dollars and its not fixed!!!
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Apr 29, 2010 | 2003 Pontiac Sunfire

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If my alternator is going would that cause my battery light AND my ABS light to come on?? I understand the battery light but my ABS light??


Yes it possible. The vehicles computer needs a certain voltage to operate correctly, and if that voltage is low it can make your dasr cluster look like a christmas tree.

Jan 05, 2010 | 1999 Pontiac Sunfire

1 Answer

2003 Sunfire Door Locks unlock when I turn my lights on.


Check your chassis ground strap. There should be a braided cable, or a cable similar to your battery cable, that runs from somewhere on the engine to the chassis. The reason you have multiple items lighting up or working when you try to operate one item is because it is trying to get a ground through another source.

Aug 24, 2009 | 2003 Pontiac Sunfire

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make sure the right # bulbs are in the car check the dealer had this problem once replaced bulbs with oem # all was good

May 29, 2009 | 2003 Pontiac Sunfire

1 Answer

04 pontiac sunfire battery light and panel lights dim


sounds like your alternator. if you have a multimeter then turn on your car and turn your headlights on/ac and heater fan on high/wipers on and blinkers on. once they are all on hook the meter to the battery and if it reads less then 14 volts then the alt is bad. or you can just take it to a shop and have it tested.

Mar 20, 2009 | 2004 Pontiac Sunfire

1 Answer

ALL MY LIGHTS DIM AND BLOWER MOTOR SLOWS DOWN INTERMITANTLY


Almost sounds like an intermittent problem with alternator not charging ocassionally. Double check all belts are in good shape & tight, as well as have battery tested, along with alternator.

Jan 16, 2009 | 2002 Pontiac Sunfire

3 Answers

2003 Sunfire


Try to recharge your battery if its starts now ,the alternator must be bad,if still wont start make sure battery is good,then check the fuses and fuseable links.

Dec 02, 2008 | 2003 Pontiac Sunfire

1 Answer

Half circle light on dash with a line through it


TC STANDS FOR TRACTION CONTROL. ITS SENSING THE WHEELS SPINNING(LOSE OF TRACTION.)A COUPLE OF CAUSES ARE THE WHEELS LOOSING TRACTION(ICEY ROADS)
THESE CARS ALSO HAVE FRONT WHEEL SPEED SENSOR WIRING PROBLEM, NEED TO CHECK ABS SYSTEM FOR CODES TO NARROW DOWN WHICH WHEEL IS A PROBLEM.

Nov 26, 2008 | 2003 Pontiac Sunfire

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