Question about 2005 Pontiac Sunfire

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2005 Pontiac Sunfire-service light

2005 Pontiac Sunfire. The "service" light came on while driving (the one with the little wrench). This has never happened before. turned off the car and restarted - light did not come back on. What does the light mean (the user manual doesn't say much) and is there a problem if the light did not come back on?

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  • malolisa_197 Apr 24, 2010

    thanks - but I'm pretty sure it's not the fuel cap...that causes the "check engine" light to go on - something to do with emissions. That can easily be resolved by putting back on the cap and waiting 24 hours or so.

    There is more now - the service light has not come back on, but when the car was started this morning a loud thumping sound was being made under the dash on the passenger side...like something knocking on plastic - lasted about 5 minutes and stopped all of a sudden.

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  • 38 Answers

Service engine light/ might have came on because of a fuel cap not being tight enough which sets a code for an EVAP leak

Posted on Apr 23, 2010

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How do I fix the clock display on my 1999 Pontiac Sunfire?


It appears to be that the radio clock display has malfunctioned, and is due for a replacement radio, which could be an aftermarket or oem radio, maybe found at a junk yard.

Tools required for oem replacement radio, torx keys set.

Before working on the radio or other electronics, disconnect the battery cables with 8mm wrench.

Replacing the oem radio is much easier, if you obtain oem radio, compared to aftermarket radio, due to being direct fit.

The radio is same for 1995 to 1999 Pontiac Sunfire and the Chevy Cavalier, regardless of sub models, such as SE,GT, VL,VLX,Z24. etc.

Parts needed for the the aftermarket radio install :Stereo assembly, stereo wiring harness adapter, radio antenna adapter, and dash install kit.wiring diagram for the wire colors / functions, along with tools, such as torx key set, screwdrivers,wire crimper, wire stripper, double ended wiring connectors, hair dryer.

The oem stereo removal video is for the 2000 to 2005 Sunfire / Cavalier, but are the same or very similar procedures.

Link to oem stereo removal procedures.
Pontiac Sunfire Radio Repair and Removal 2000 2005



Link to aftermarket stereo install / connect procedures. ( Sunfire Video )
HOW TO INSTALL AFTERMARKET STEREO PONTIAC SUNFIRE

Link to aftermarket stereo install / connect procedures. ( General Video )
How To Install Car Stereo Single Double DIN Car Audio 101


Have a nice day.


May 12, 2015 | 1999 Pontiac Sunfire

1 Answer

2005 pontiac sunfire headlight issue


I have run into a few of these and what I found was water getting into the wires that go to these headlights.The harness is just below the battery area.It will be easier to get to from the bottom of the vehicle.You will have to remove the plastic cover from the harness and the electrical tape.Find the dark blue and the orange wires.The dark blue is for the drivers side and the orange is for the passengers side.There should be 2 of each.Look real closely and see if you see a spot where the wires are slightly swelled up.These wires are only 18 gauge so it is not easy finding the bad spot.One thing you can try is pulling on the wires a little and sometimes they will separate where the bad spot is.Hope this helps.Good luck.

Dec 16, 2009 | 2003 Pontiac Sunfire

1 Answer

I have 2005 Sunfire and my horn recently will start going on it's own. I'll hear a little clicking and then the horn starts randomly going off I had to remove the fuze for it to stop, how can I fix this?...


I would change the horn relay it is most likely the cuplrit, I will look into the CEL and get back to you, the light icon is telling you that you are running on driving lights. which is normal.

Aug 03, 2009 | 2005 Pontiac Sunfire

1 Answer

2003 sunfire wrench light on


Take it back to your mechanic, it may just be a connector that got bumped loose since the light was off before service.

Jul 24, 2009 | 2003 Pontiac Sunfire

1 Answer

Dim lights do not work on 2003 sunfire


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

Fogs lights are out,would that make the service light with the wrench come on


Good observation, yes it would. The service light is indicating there is a problem with the system that operates your fog lights.
It is generally one of three things. A dash switch, fog light relay or blown fuse. You can check the fuse in the fuse panel and make certain it is good. If it is OK, you can go to your local Auto Zone or Advance Auto Parts and they will scan your car for diagnostic codes at no cost to you.
Write the codes down and respond back, we will go from there.
Good luck, let me know.
Regards,

Apr 19, 2009 | 2000 Pontiac Sunfire

2 Answers

When i start my sunfire the service light with a little wrench comes on


the service light with wrench is for service vehicle and is on possibly because there is a burned out light bulb on the exterior. turn lights on and check every light even the license plate light. i bet there is a bulb out somewhere. check every light and hopefully this is the problem.

Apr 16, 2009 | 2000 Pontiac Sunfire

1 Answer

Yellow wrench/service light is on no codes in system, dont have owners manual is this an oil life reset light?


I had the same problem... yellow wrench "service" light and a clicking noise on my DRL (daytime Running Lights) icon. I found no codes when I put my diagnostic computer on it. Turned out I had a headlight out. Replaced the bulb and everything is hunky dory now!

Feb 23, 2009 | 2003 Pontiac Sunfire

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