coughing on start-up


Old 12-01-02, 11:22 PM
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coughing on start-up

I have a 92 Chevy S-10 pickup. It has the 4.3 L V6. At first start, the buggy coughs and sputters and sometimes dies. most of the time it comes out of it after about 10-20 secs. Could this be a plugged converter causing this? Also, same truck takes too long to warm up when cold out. Antifreeze mixture is right, thermostat is/has been replaced 3 times that I know of in the last yr or two still with no luck. This truck takes like 5-6 miles of regular driving for the air to even BEGIN to get warm. Takes my car about one mile and its throwing out warm air. Why would this truck take so long? Thanks for advise on the above two questions.
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Old 12-02-02, 02:32 AM
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A failed coolant temperature sensor could cause what you describe. It's cheap enough, replace it.

See autolibrary in my signature file below for the location and R&R procedure.

Barring that, make sure the vehicle has been fully tuned up recently, including new filters and all tune up parts.

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