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1994 GMC W4 Gas 350CID Roars & Slows Down
this is a GMC/Izusu one ton tilt cab. truck has a 4L80Ehd trans. problem is irratic. when driver is running down freeway at 55mph (when its hot) the truck will suddenly start to roar (like clutch fan engages) and will start to slow down to about 40mph. driver ...
FIX posted 7/20/1999
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Message Closed w/FIX
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| VIN | 4KDB4B1ASR |
| Engine | 350 / 8 cyl |
| Emissions | Not OBD-II Compliant |
| Symptoms | Roars & Slows Down |
| Occurs | Hot, Cruise, Intermittently |
| Misc. | Cab Over Isuzu Style 1 Ton |
Message Closed w/FIX
Vehicle Data
1994 GMC W4 Gas
| VIN | 4KDB4B1ASR |
| Engine | 350 / 8 cyl |
| Emissions | Not OBD-II Compliant |
| Symptoms | Roars & Slows Down |
| Occurs | Hot, Cruise, Intermittently |
| Misc. | Cab Over Isuzu Style 1 Ton |