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1992 GMC Sonoma SLE 4.3L Poor Idle Quality, Hesitation, Stall
This truck brought in for poor idle and stall at idle. Intermittent problem. The first thing we noticed was that the egr valve was opening up at an idle. when you unplug the egr control solenoid, the egr valve would close and the truck run right. This told us ...
FIX posted 8/9/2000
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| VIN | 1GTCS19Z4N |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | FI / TBI |
| Emissions | OBD1 |
| Symptoms | Poor Idle Quality, Hesitation, Stall |
| Occurs | Intermittently |
Trouble Codes
| 32 | egr |
| 33 | MAP low |
| 34 | MAP high |
Message Closed w/FIX
Vehicle Data
1992 GMC Sonoma SLE
| VIN | 1GTCS19Z4N |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | FI / TBI |
| Emissions | OBD1 |
| Symptoms | Poor Idle Quality, Hesitation, Stall |
| Occurs | Intermittently |
Trouble Codes
| 32 | egr |
| 33 | MAP low |
| 34 | MAP high |
Video