Question about 2003 Pontiac Grand Am

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My 2003 Pontiac Grand Am GT has a flashing and sometimes a Solid SES light and runs rough

It just did it 10 miles out of town, SES light was flashing I pulled over and shut engine off to check fluids and belt. All were good but it still has the light when I start it and it barely idles. The light went to solid on when I got to town and slowed down. Any ideas?

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Usually with the newer vehicles when it starts to run rough or idle poorly it's time for a tune up, that will also make the check engine light come on on some vehicles, it needing an oil change can also cause the light

Posted on Dec 14, 2012

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Posted on Jan 02, 2017

  • 341 Answers

SOURCE: Flashing check engine light

when the check engine comes most of the time its a senor..check your fluids .. if ok.... you can drive it...

Posted on Dec 12, 2008

SOURCE: 1999 pontiac grand prix . will not run

If wiggling the wires cured the code, then one of the wires is broken inside the insulation. Pull on each wire one at a time. look for the colored insulation to stretch, this will be the broken wire. For the other car that wont rev up, this is a common when the catalytic concverter is plugged up. This will also cause MAF codes, and in turn, TRAC OFF light.
See http://www.greatautohelp.com

Posted on Oct 17, 2008

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SOURCE: trac off light comes on a 2003 pontiac grand am

This is the TCS or Traction Control System. It helps keep the vehicle from being able to get stuck by forcing the torque to either tire. Usually there is a switch either on the dash or on the shifter that says TCS or TRAC press the switch and it should go off.

Posted on Aug 05, 2009

csmock132
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SOURCE: 2001 grand am se1. Rough Idle - Spark Plugs and Spark Plug wires

What engine? You need to have it scanned for codes. Autozone will do this for free

Posted on Sep 01, 2009

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SOURCE: 1992 pontiac grand am no acceleration, a rough idle (engine miss)

Does it have the 2.3l Quad 4 engine? If so replace the plastic piece that the coils go into, they go bad and leak spark to the cam towers and then you get a nice one or multiple cylinder misfire.

Posted on Apr 30, 2010

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