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  5. Internal Faults in Distributor Can Cause Engine Problems

2003 GMC Sonoma Internal Faults in Distributor Can Cause Engine Problems

The distributor may develop internal faults. This can cause a rough running engine or stalling condition and the Check Engine Light may or may not illuminate. The distributor should be overhauled or replaced to correct this concern.

Affected Model Years

This issue affects GMC Sonoma model years 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, .

65 people reported this problem

  • 2003 178,000 Miles
    Truck runs rough has no power stalls out whrn get up to speed truck don't run half bad the power comes and goes. fuel pump has been changed fuel injectors cap rotor plugs wires fuel filter distributor coil module on coil has new y pipe under truck plus new catalytic converter
  • 2003 0 Miles
    Check engine light comes on, rough idle wants to stall, gets a little rough during idle, at 4000 rpm starts to hesitate while driving.
  • 2003 167,000 Miles
    Distributor started having a rattling noise. I replaced the rotor and top, didn't help. Also generated lots of ignition noise in the radio. Local dealer repaired.
  • 2003 230,000 Miles
    I lose and gain power while driver and radio has hissing sounds
  • 2003 107,000 Miles
    truck starts when cold drive it 2 miles and it stalls after a few seconds it will restart
  • 2003 0 Miles
    Ok my problem in slow speed pick up fails if I pressed the gas and go fast stop fail and some times to starting the engine takes time
  • 2003 200,000 Miles
    the truck wont start until I tap the distributor cap.
  • 2003 130,000 Miles
    engine runs rough and has a lose of power.
  • 2003 0 Miles
    The truck will not break 3000 rpm and won't move from there . A mass airflow sensor code came up so we replaced that and the truck still will not run. Any thoughts?
  • 2003 165,000 Miles
    Problem not fixed. Possibly distributor
  • 2003 110,000 Miles
    Had to replace distributor
  • 2003 191,437 Miles
    Rums fine until it gets hot losses power like its not getting fuel when I flip the ignition off and back on it snaps out of it usually happens when I stop then go
  • 2003 175,000 Miles
    Emission test failed. Check engine dummy light present intermittently.Engine diagnostic code of #4 cyl. mis-firing
  • 2003 116,600 Miles
    The truck misfires, and stalls. Problem wasn't fixed
  • 2003 96,000 Miles
    Have a bad sputter on acceleration
  • 2003 0 Miles
    I have a 2.2 engine when i start it it idals high
  • 2003 0 Miles
    engine turns over and sputters but will not start after sitting for a week without starting and warming up ever day. Replaced distributor cap and starts and runs great until it sits.

GMC Sonoma 2003 Common Problems