Bouncing RPMs?
Formerly IThaJokaI
Joined: Jul 2007
Posts: 4,014
Likes: 0
no
Joined: Mar 2007
Posts: 3,328
Likes: 0
^ lmao
I think he's talking about the iacv... Either that or remove your 2 step.
I think he's talking about the iacv... Either that or remove your 2 step.
Thread Starter
I <3 usdm
Joined: Feb 2009
Posts: 3,170
Likes: 0
I'm gonna make sure the spark plugs are gapped right, because I didn't notice it before I replaced the plugs, then later I'm gonna spray some cleaner into the intake to try and clean the IACV thing.
Retired
Joined: Jan 2003
Posts: 5,095
Likes: 0
Everytime I've ever seen this, it's the ECU going into closed loop fueling. ECU is changing the fueling to find 14.7 AFR based on the O2 feedback. This usually happens when your car is running shitty already, though, as the RPMs falling corresponds to when it goes way lean or way rich.
__________________
Thread Starter
I <3 usdm
Joined: Feb 2009
Posts: 3,170
Likes: 0
Fuck. When I just moved it, it was idle-ing at just under 2k RPM. I don't have enough experience with this car (it's been sitting on jack stands for a couple months), but I think it just does that for a minute to warm up. Either way, I need to reduce the idle.
Blah Blah Blah
Joined: Dec 2005
Posts: 1,686
Likes: 0
Everytime I've ever seen this, it's the ECU going into closed loop fueling. ECU is changing the fueling to find 14.7 AFR based on the O2 feedback. This usually happens when your car is running shitty already, though, as the RPMs falling corresponds to when it goes way lean or way rich.
__________________
