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TravelPilot's avatar
TravelPilot
Explorer
May 31, 2014

HELP!! 97 5.7L DIES AT IDLE or DECELERATING???

I have a 5.7L in a GMC Van Converted to a Class B, it dies when idling, and when letting off the gas 3 times today. Then it takes a few tries to restart. This just started yesterday. I changed the Fue...
Class B
BruceMc's avatar
BruceMc
Explorer III
Jun 01, 2014
Our '93 suffered similar problems and after a bunch of troubleshooting and part replacement, it came down to the $18 temperature sensor located near the water hose connector on the intake. Our Daughter's '94 Saturn also suffered this issue.
If you are getting poor mileage as well - I'd suggest replacing this sensor.

These can be tough to troubleshoot, and throwing parts at it can be the easy way to do it, albeit somewhat expensive unless you happen to find the right part early on.

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