Having problems with your 1991 Chevrolet S-10 Blazer ?

Vehicle is used for mail delivery. outside temps in the 90s. two&half hours into delivery the engine stalls periodically. after few cranks it starts. temp gauge & radiator ok. oil pressure gauge is low. dip stick shows sufficient oil. after i let it set for one hour it ran without stalling.

Posted / edited by AnonymousUser on : 12-03-2018

Answers :

Clean your Throttle body with throttle body cleaner or Deep Creep made by Seafoam. When the carbon and varnish build up in your throttle body get's hot, it gums up the IAC (Idle air control) valve which help moderate your engine's rpm to keep it from stalling. \015\012
\015\012If the IAC is stuck due to the gum of the carbon and varnish in your throttle body, you have stalling issues which you have described. Start with that and replace your air cleaner filter since your going to clean your throttle body.\015\012
\015\012Good luck and be safe, thank you for using fixya and post us back.
Repair Help & Product Troubleshooting for 1991 Chevrolet S-10 Blazer

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