Question about GMC Jimmy
Check the ignition module (located in distributor, under cap). These modules not only control ignition firing but also send a signal to pcm to control fuel injectors. They can become heat sensitive and fail intermittently. Most auto parts stores can check these modules if you remove and take them in.
Posted on Apr 03, 2009
I would first change the fuel filter could be clogged over time.
When you first turn the key in the ignition switch. Listen for the fuel pump in the tank should be turning on. You may have to get under the car and listen to the fuel pump coming on when some one else turns the key. The fuel pump should turn on a few seconds before trying to start. IF the fuel pump is coming on. The fuel pump itself is not holding the pressure anymore after sitting a while.
I would take to a local shop to check it out if the fuel filter does not work.
Posted on Feb 01, 2009
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