2003 Chevy Silverado
My truck, with 100,000 miles, now occasionally stalls doing a u-turn. Pump works, fuel tank high, medium , or low, doesn't matter. I have run injector cleaner and water remover a few times. Arbitrarily, warm or cold. Can go weeks without failure, then boom. Any ideas?
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Maybe one of your high idle swtiches is f'd up. Not sure if that's what it's called... or how they work on ECM cars. But I know that there is compensation when you run the AC, or put load on the power steering. If one of those compensation sensors was not functioning, it might allow the motor to idle at too low of an rpm. If this happens while making a u-turn, while the steering is under full load, maybe it's the PS sensor.
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Don't like my diagnosis? Think about it, sudden change in engine vacuum plus load on the PS pump plus lack of idle speed compensation (if the sensor is bad)... makes a lot of sense.
If my POS neon has a sensor for this, I'm sure your spiffy new Silverado would too. |
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Your diagnosis will be looked into, and is appreciated as well. |
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Take it out, brake clean it and the female side, PS fluid could be preventing electrical contact. Btw, when we took a ride in that side pipe C3 I did blame the fuel pump and was wrong about that, but my first suggestion while driving was ignition. Which we dismissed for whatever reason. |
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