A family member has a problem with a '92 Sable (3.8L) after about 1
minute after startup (hot or cold engine). The engine starts to idle
rough, and sometimes stalls. Restart is fine and acceleration is good
with no problems. The car has 76K miles and had a head gasket
replacement 30K miles ago and was running fine until recently. Also,
another unrelated problem occurs occasionally with the check engine
light. It comes on momentarily and then goes out at random times. No
problems are noticed while driving when it comes on. I have not taken
it anywhere to check codes yet. Any suggestions? Thanks
Hello and thank you for the reply. The problem turned out to be a
cracked/bad vacuum hose which was causing the poor or no idle and check
engine light to come on occasionally. Hope this helps someone else
having a similar problem.
Mortimer Schnerd, RN wrote:
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