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GM REF HI and EST issue
Posted to Technical Discussion Forum on 10/25/2023 11 Replies

Got a weird one here. Came in with the customer complaint of a stumble at cold startup. It would last anywhere from 15 seconds to 1 minute. Afterward it would run good all day. He claims it is worse in cold weather.

The distributor has previously been replac... Login to read more.

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car Vehicle Data

1993 Chevrolet K1500 Silverado 5.7L

Engine5.7 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

1993 Chevrolet K1500 Silverado 5.7L

Engine5.7 L
Trans4-speed Automatic (Electronic)