GMC Sonoma Problems

Driveability Problems Due to Internal Distributor Fault on GMC Sonoma

Problem Description and Possible Solution

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.

(35 people reported this problem)

GMC Sonoma Vehicles With This Problem

RepairPal Verified
Average mileage: 170,363 (100,000–285,000)
Engines affected: 2.2L 4 Cylinder, 2.5L 4 Cylinder, 4 Cylinder, 4.3L V6
14 model years affected: 1991, 1992, 1993, 1994, more1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
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Viewing 1-13 of 13 comments
Check engine light comes on, rough idle wants to stall, gets a little rough during idle, at 4000 rpm starts to hesitate while driving.
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
truck starts when cold drive it 2 miles and it stalls after a few seconds it will restart
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.
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
Being from Western New York, My problem was caused by excessive corrosion in and around the distributor packs. This caused short condition which actually blew the fuel pump fuse. This must be a common problem, because it had happened to my previous truck. 1994 Chevy S10, same engine.
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?
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.