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1989 GMC C1500 Sierra SLE 5.0L Idles High 1400Rpm
Strange thing about this is the throttle will not close all the way to the stop screw untill you shut the engine [...] then can watch the throttle move to the stop. Seems like the throttle plate is being held open by engine vaccum. You can move the throttle by...
Summary posted 5/29/2002
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Related Documents & Media | VIN | 1GTDC14HXK |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Emissions | FED |
| Symptoms | Idles High 1400Rpm |
| Occurs | Idle |
| Misc. | 1I2 Ton 4X2 |
Message Closed w/Summary
Vehicle Data
1989 GMC C1500 Sierra SLE
| VIN | 1GTDC14HXK |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Emissions | FED |
| Symptoms | Idles High 1400Rpm |
| Occurs | Idle |
| Misc. | 1I2 Ton 4X2 |
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