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Old 09-01-2002, 03:30 PM
Posts: n/a
gents, before we go chasing a code 40 I think I know what caused it. I just rembered that while looking for vacuum leaks yesterday, with the engine running, I removed the vacuum line located aft of the oil dipstick which goes down to the trans. vacuum modulator. I bet that is what caused the code 40 which has nothing to do with my stumbling idle.

Just to add a little more information, after the initial stumble it will idle perfectly. That is until I go another 30 feet and stop (Atlanta traffic) and then it will do it again.
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