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1989 Chevrolet K3500 Cheyenne 7.4L Poor Fuel Economy, ENGINE OVERHEATING
Greetings from an elevation of 5420 feet! I'm slowly running out of ideas to cool this Dually down. The owner has been more than patient but his resources won't last forever. I think ignition timing may be the key, but being computer controlled, I'd like to ve...
Summary posted 5/1/2002
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27 Replies Received
27 Replies Received
Related Documents & Media | VIN | 2GTHK39N3K |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / TBI |
| Emissions | FED |
| Symptoms | Poor Fuel Economy, Engine Overheating |
| Occurs | Always, Under Load |
Message Closed w/Summary
Vehicle Data
1989 Chevrolet K3500 Cheyenne
| VIN | 2GTHK39N3K |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / TBI |
| Emissions | FED |
| Symptoms | Poor Fuel Economy, Engine Overheating |
| Occurs | Always, Under Load |
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