Idles normal when started, strange after drive...
#1
RE-Amemiya in the blood
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Idles normal when started, strange after drive...
My car's been running fine for a while. I took it out the other day and it was idling fine when started. I took it on the highway and after I got off, it started idling high - around 1500-1800rpm. It's rumbling with small backfires (maybe just from idling high?). Anyhow, if I let the car sit after a run, the idle stays at 1500-1800. I started the car the next day and the idle seemed to be back to normal, except after a drive, it was back to the 1500-1800.
Before I go through an idle adjustment, what else could this be? I don't want to adjust the idle because clearly the car knows where "it should" be idling when it's started from cold.
What things should I check?
Thanks a lot for any ideas! -Joe
Before I go through an idle adjustment, what else could this be? I don't want to adjust the idle because clearly the car knows where "it should" be idling when it's started from cold.
What things should I check?
Thanks a lot for any ideas! -Joe
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Hi Arghx,
Thanks for the reply!
Haven't moded anything recently but I have dp, catback exhaust and intake (stock ecu). Vacuum lines are all intact - still pulling strong at idle and all of the gears. Emissions equipment is all still on it (other than pre-cat).
-Joe
Thanks for the reply!
Haven't moded anything recently but I have dp, catback exhaust and intake (stock ecu). Vacuum lines are all intact - still pulling strong at idle and all of the gears. Emissions equipment is all still on it (other than pre-cat).
-Joe
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Thanks for the replies! I'm heading off for the weekend but as soon as I get back I'll check a bunch of things. I'll check intake and any sensors I can think of. I'll also check electrical as I know my negative connection needs replacing. I'll update after the weekend but if anyone has any other ideas, let me know before I get to work! :P
Thanks, -Joe
Thanks, -Joe
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