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1988 GMC K1 5.0L Surge, Misfire
This truck will idle OK but as soon as RPM climbs to [...] it starts to run rough and backfire. This will last for approx one min. then it smooths out, this happens every time it is started regardless of engine temp. We have tried : ECM , Ign Mod., Dist cap an...
FIX posted 8/30/1998
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Message Closed w/FIX
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| VIN | 1GTKDK14H8 |
| Engine | 5.0 L / 8 cyl |
| Emissions | US FED |
| Symptoms | Surge, Misfire |
| Occurs | Always |
| Misc. | No Cats, 3Inch Ex. Sys. |
Message Closed w/FIX
Vehicle Data
1988 GMC K1
| VIN | 1GTKDK14H8 |
| Engine | 5.0 L / 8 cyl |
| Emissions | US FED |
| Symptoms | Surge, Misfire |
| Occurs | Always |
| Misc. | No Cats, 3Inch Ex. Sys. |
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