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1991 GMC Top Kick 427CID LOW power
custerner complains of low power. they belive its the distibuter. i scoped engine and checked timing all looks great. computer has no codes and all sensors seem to be reading right. my question is fuel pressure. mine has 31 lbs. there are no specs on this engi...
FIX posted 9/16/1999
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Message Closed w/FIX
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| VIN | 1GDM7H1M2M |
| Engine | 427 / 8 cyl |
| Symptoms | Low Power |
| Occurs | Hot |
| Misc. | Grain Truck |
Message Closed w/FIX
Vehicle Data
1991 GMC Top Kick
| VIN | 1GDM7H1M2M |
| Engine | 427 / 8 cyl |
| Symptoms | Low Power |
| Occurs | Hot |
| Misc. | Grain Truck |