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1991 Geo Storm 1.6L No Start, Poor Idle Quality, Cuts out, Stall, Misfire
Vehicle starts and runs for a minute and then dies. Code 42 sets when ever the vehicle is running. Vehicle seems to run constantly if RPM is held over 4,000. Anytime the motor is allowed to drop below 1,500 RPM it dies. It is definately loosing spark, Checked ...
FIX posted 7/5/2001
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| VIN | 181RF2363M |
| Engine | 1.6 L / 4 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / sefi |
| Emissions | OBDI |
| Symptoms | No Start, Poor Idle Quality, Cuts Out, Stall, Misfire |
| Occurs | Always, Cold, Idle |
| Misc. | ECM# 1616237 |
Trouble Codes
| 42 | EST spark timing circuit |
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Vehicle Data
1991 Geo Storm
| VIN | 181RF2363M |
| Engine | 1.6 L / 4 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / sefi |
| Emissions | OBDI |
| Symptoms | No Start, Poor Idle Quality, Cuts Out, Stall, Misfire |
| Occurs | Always, Cold, Idle |
| Misc. | ECM# 1616237 |
Trouble Codes
| 42 | EST spark timing circuit |
Video