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1989 Chev/GMC Truck C1500 4.3L Poor Idle Quality, Stall, Misfire
Having problem with idling. Idles up and down and then it stalls after a few seconds. Cranks right back up but still idles rough. All grounds are good, voltage is fine, ecm replaced with updated prom. Noticed when checking timing the reading is not stable. Whe...
FIX posted 10/3/2000
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Message Closed w/FIX
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| VIN | [No VIN Available] |
| Engine | 4.3 L / 6 cyl |
| Emissions | US |
| Symptoms | Poor Idle Quality, Stall, Misfire |
| Occurs | Cold, Hot |
| Misc. | 4.3Z Tbi |
Message Closed w/FIX
Vehicle Data
1989 Chev/GMC Truck C1500
| VIN | [No VIN Available] |
| Engine | 4.3 L / 6 cyl |
| Emissions | US |
| Symptoms | Poor Idle Quality, Stall, Misfire |
| Occurs | Cold, Hot |
| Misc. | 4.3Z Tbi |
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