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1992 Chevrolet Lumina Z34 3.4L High idle on startup
This vehicle may race to 3000 rpm on startup and stay there, it only happens once in a while. I found a TSB on the pressure switch in the A/C system that can cause this but the new switch did not help. We also tried a TPS with no results. I am hoping someone h...
FIX posted 4/26/1998
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Message Closed w/FIX
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| VIN | 2G1WP14X2N |
| Engine | 3.4 L / 6 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI |
| Symptoms | High Idle on Startup |
| Occurs | Intermittently |
Message Closed w/FIX
Vehicle Data
1992 Chevrolet Lumina Z34
| VIN | 2G1WP14X2N |
| Engine | 3.4 L / 6 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI |
| Symptoms | High Idle on Startup |
| Occurs | Intermittently |
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