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1994 Chevrolet S10 Blazer 4.3L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, Poor Fuel Economy
Engine spark knocks excessively, will only run if accelerator held to about 2200 rpm. Rpms at that time vary 400 to 500 rpms, also speedometer indicates 4 to 5 mph while sitting still and in park. ECM and Prom have been replaced. Customer advanced timing a...
FIX posted 8/5/1999
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| VIN | 1GNDT13W4R |
| Engine | 4.3 L / 6 cyl |
| Emissions | Not OBD-II Compliant |
| Symptoms | Poor Idle Quality, Hesitation, Cuts Out, Stall, Misfire, Poor Fuel Economy |
| Occurs | Always |
Message Closed w/FIX
Vehicle Data
1994 Chevrolet S10 Blazer
| VIN | 1GNDT13W4R |
| Engine | 4.3 L / 6 cyl |
| Emissions | Not OBD-II Compliant |
| Symptoms | Poor Idle Quality, Hesitation, Cuts Out, Stall, Misfire, Poor Fuel Economy |
| Occurs | Always |
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