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1987 Chev/GMC Truck astro 4.3L Poor Idle Quality, Stall
After warmed up engine idles very ragged like egr or vac. leak. No vac leaks detected, EGR new. Idles at 500-525 in gear, IAC counts 29. map 10.63 (19 inches) but wanders. Secondary patterns look ok. Prom ID 2261 (correct for this vehicle) Injector spray patte...
FIX posted 9/7/2000
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Message Closed w/FIX
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| VIN | LGNDM15Z5H |
| Engine | 4.3 L / 6 cyl |
| Symptoms | Poor Idle Quality, Stall |
| Occurs | Idle |
Message Closed w/FIX
Vehicle Data
1987 Chev/GMC Truck astro
| VIN | LGNDM15Z5H |
| Engine | 4.3 L / 6 cyl |
| Symptoms | Poor Idle Quality, Stall |
| Occurs | Idle |