1990 Chevrolet Suburban 1500 Q&A
1990 Chevrolet Suburban 1500 Question: engine stalls
It's hard to say considering I have no information or history on your Sub. It's possible that the fuel pump is picking up air and losing fuel pressure causing the engine to stall. It could also be that there's carbon fouling in the throttle body or idle air control (IAC), or that the gasket under the throttle body is defective, either could be affecting the computer's ability to control the engine. If you want to find a GM specialist, here's our directory link for you: https://repairpal.com/directory?address=18834&car_brand_names=Chevrolet - Superbob
sounds like torc covertor problem - jimmiller
A dirty throttle body may cause a lower than normal idle and an engine stalling condition can develop. Performing a throttle body service will generally correct this concern.
Engine stalls frequently while making a hard left U-turn.
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