My 1993 surburban has this klacking sound as though I'm using bad gas. But used 87 unleaded plus (Chevron/Shell/Texaco) and sometimes I use the premium grade from the above companies but I still have this problem and it sometimes won't start unless I hold the gas pedal all the way down until the gas gets to where it needs to be. But as I step on the pedal it seems to hesitate/stall but eventually act somewhat normal. Can you help me with a solution. Oh by the also didn't pass inspection. Please help
engine stalls on 1993 Chevrolet Suburban 1500
by RayP in Houston, TX on June 11, 2010
ANSWER by TimsShadyTree on June 21, 2010
Sounds like a timing issue.
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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