Most of the time when you clean throttle body needs to do a relearn
GM Truck Electronic Throttle Body ETB Relearn Procedure GM throttle body relearn procedure Ricks Free Auto Repair Advice
GM throttle body relearn procedure Ricks Free Auto...
If youve replaced your GM electronic...
SOURCE: 2000 mazda miata r&r throttle body
se if egr is controled by vacium or electric
if it is by vacium then locate the egr solenoide and make sure it has vacium in one hose w/ engine runing if it does then replace solenoide
SOURCE: HIGH IDEL
sounds like throttle positioning sensor on side of throttle body or the gasket below tthe throttle body has gone bad.
SOURCE: Code P0121 on 2006 GMC
Classic signs of idle air control not able to cope with sudden engine loads. Cleaning should resolve this. Remove ducting from air cleaner to throttle entrance. Spray with carb. choke cleaner or WD40 spray and wipe back to the alloy finish. clean the the throttle plate and push the throttle open with your fingers and clean in behind as best you can. Clean the passageways to the idle air control valve. Remove the valve and give it a thorough clean up. Reassemble and it should all be good.
SOURCE: Code P0121 on 2006 GMC Envoy Denali Check eng.
Cleaning the throttle body is certainly the right thing to try first. Make sure you clean the throttle plate as well.
Testimonial: "Thanks. It seems to have worked."
SOURCE: I have a 2008 Yamaha vx110 deluxe waverunner that idles high.
I dont know the answer but my vx deluxe is doing the same thing. Not as bad as yours but 4k rpm idle.....ANyone?
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