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1988 Chevrolet Blazer Silverado 5.7L Poor Idle Quality, Hesitation, Poor Fuel Economy
If you give it a really heavy load with higher rpm it seem to run better than lower rpm. Sometimes run great for about 30 seconds w/o any noticable pattern. Bad power. 9mpg. Real time datas from the ECM looks all pretty normal. Every help would be nice....
FIX posted 7/11/2000
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| VIN | 1GNEV18K9J |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / EFI |
| Emissions | OBDI |
| Symptoms | Poor Idle Quality, Hesitation, Poor Fuel Economy |
| Occurs | Always |
| Misc. | Engine Overhauled 10000 Miles Ago |
Message Closed w/FIX
Vehicle Data
1988 Chevrolet Blazer Silverado
| VIN | 1GNEV18K9J |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / EFI |
| Emissions | OBDI |
| Symptoms | Poor Idle Quality, Hesitation, Poor Fuel Economy |
| Occurs | Always |
| Misc. | Engine Overhauled 10000 Miles Ago |
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