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1988 GMC 3500 7.4L Misfire
Truck came in no power and pops back. Test ignition ok . Test compresion ok. Look at exhaust and noticed that the header pipe looked as if it had been hot. Drop the exhast down to see if it was plugged its ok to. Test fuel presure ok . Sounded retarded so chec...
FIX posted 9/21/1998
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Message Closed w/FIX
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| VIN | 1GTGKE4N8J |
| Engine | 7.4 L / 8 cyl |
| Symptoms | Misfire |
| Occurs | Always, Cold, Hot |
Message Closed w/FIX
Vehicle Data
1988 GMC 3500
| VIN | 1GTGKE4N8J |
| Engine | 7.4 L / 8 cyl |
| Symptoms | Misfire |
| Occurs | Always, Cold, Hot |