2001 GMC Sierra ext cab with 5.3 125 k on motor , just started to stall out after coming to a stop, not all the time. Had fuel pump changed about 10 k earlier. Needs new dual flow masters

Asked by Sep 10, 2015 at 09:52 PM

Question type: Maintenance & Repair

Can the engine idle speed be

2 Answers


No, it is computer controlled, have the codes checked you could have an ISC going bad or plugged.

It's the TPS..

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