Compression Ignition Addict
Join Date: Aug 2011
Location: Damariscotta Maine
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Something I just noticed
Ive had the truck for about 2 weeks and put about 300 miles on it, its run great and had no problems at all, but here is the thing.
Tonight I was stopped in my driveway sending a few text messages right before I shut my truck off and went inside, and this is really the first time I have sat in my truck with it idling for this long approx 5mins.
The idle sounds great, no problems in power ect but every ~10 seconds the idle jumps up a few RPM and then goes down ( maybe 600-650rpm? barley noticable on the tach, and you have to listen for it).
The truck had just been driven, and the heat was pretty warm ect.
The truck has the 10k mod, 4" exhaust , napa intake and some FPR shim to 62 psi ( done by pervious owner, told it was 61 or 62 psi)
Is this something i should look into before somthing breaks? or is this not a big deal. Anything i can check?
like i said the idle doesn't sound bad..doesn't sound like a miss or anything its not that apprupt, it just seems to not be 100% consistant idle rpm, theres a rythmic raise and drop (idle at 600 rpm for 10 seconds, then spikes to 650 for 1 second, drops back to 600 for another 10 seconds ect)
Thanks a lot!