i just cleaned my throttle body and now my car is surging like crazy going from 1000 rpm up to 2500 and back down constantly... it didnt do this b4... could i have a vacuum leak or do i need to re learn it somehow... please help

 

did you put all it back correctly? try do adjust/play the idle adjustment.

 

ya im pretty sure all it was was screws and gaskets... i didnt touchh the idle screw so i figured it wouldnt affect it or atleast that much... by the way its on a 98 civic dx...

 

did you clean it by taking it off the IM, or simply spraying something on it while it was still attached to the intake mani? if you took it off the manifold, check and make sure you didnt get your MAP and TPS sensors mixed up since they are the same, visually.

 

Did you take your tps off your throttle body, if so your going to have to re adjust it to get it to quit surging. PM me on how to do this.

 

I'd be interested in knowing how to do this aswell. shall I pm you also for you wisdom? I've had this same problem but I really think I have bigger issues than that. Never know though info owns me

 

https://honda-tech.com/forums/honda-civic-del-sol-1992-2000-1/adjusting-tps-1498837/

^calibrating/adjusting tps. quick google search fellas

 

Lol, to be honest I never would have thought to adjust it. I figured you screw that sucker down and call it a day

 

you would only need to re-calibrate it, if you removed it from the throttle body. im assuming you didnt, but the link should help if you did.

 

when you took off the TB.. did you re-use the old gasket? was it intact or was it cracked up... and if you used a new gasket did you clean the mating surface 150%. if there is any lil piece of gasket left behind it could not sealing correctly and causing your surge. OR another thing could be that whatever you cleaned could have been sucked into the IACV so you should clean that out as well

after doing any deep clean to the intake system you should reset the ecu for the initial start up so it could relearn your desired idle given the new conditions. try these things out and report back.. and shoot us a couple more details on HOW you cleaned the tb to help pin-point your problem a lil easier

dizzy

 

Not completely true...if he bumped it good enough it could stand to be calibrated...not likely but if he were holding on to it while scrubbing/spraying or whatnot...dunno if it would be enough to throw a 1500 rpm spike or not