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-95 Chevy Blazer V6 4.3L Vin W running bad at idle

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Published on Jul 2, 2012

Running bad at idle and stalls if I press the throttle. Petrol and sot sprays out of exhaust.

Update: I've found that there was a bad connection to the crank position sensor due to a missing gasket in the connector. It would not send the signal to PCM every time, that's why it miss a lot.
Sprayed the CPS connector with WD40 and replaced the connectors rubber gasket. Problem solved.

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