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Q: When I turn if on it idles very low

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When I turn my pick up on it ldels very slow that it feels like it's going to turn off but when I put it in gear it idlies the same and when it's in parking and I push the gas it idels good

My car has 94000 miles.
My car has an automatic transmission.

Hello there, many common faults will cause a poor idle on your 1983 Chevrolet S10. Problems that can cause these symptoms are a vacuum leak, idle air valve, fuel pump, spark plugs, coil, plug wires, fuel filter, alternator, or a exhaust leak. A qualified Technician such as one from YourMechanic will be able to diagnose your idle low issues and make any repairs required to get your vehicle running properly again.

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