Idle falls below 500 rpms with A/C on...
#11
I have the same issue and have even put a recorder on the truck to record through the diagnostic port and they said it was normal.(the recorder is the dealerships) As long as it doesnt die oh well.
#13
14 Second Truck Club
Join Date: Oct 2004
Location: Oklahoma
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This happened to me yesterday. Didn't know what was going on, but was planning on putting the stock computer and air filter back in for a trip to the service dept. Since I was low on gas (and the last fill up was from a little station in BFE that I had never used before) decided to get 10 gallons of Shell 93 octane which is what I always run and added 8oz. of Lucas fuel additive hoping the problem was just bad fuel and/or dirty injectors. No more idle issues and throttle response is noticeably improved. Of course this could be coincidental, I'll post up if the problem returns.
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