Fitted 51mm throttle body - car no longer idles

Started by tez, September 17, 2012, 09:56:16 PM

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Jezza-7

Mine should be good as you serviced them last march.

I just put up with it, all the gaskets are new as well and im using mikalor and jubilee clamps on everything else.

Justin14100

What effect would a dodgy clogged up ISV have on this? I know it opens when it's cold but what if it can't close properly?

POLOMON

#17
Quote from: Yoof on September 20, 2012, 06:24:14 PM
Air leaks come from more places than vacuum lines, injector o-rings are a favourite too.

Ive new 0-rings on mine, had my injectors cleaned and inspected at work and they had a small rebuild until i can get G60's.

Im on mikalors also Jezza, no boost leaks anywhere atall, smear of silicone and a mikalor made sure of that. Had the boost valve (dont remember the exact name) on the throttle body shut for 2 seconds and gone around and squirted WD on all joints to be sure.

tez

10 points to Yoof. I checked the throttle cable today and it was too tight so the idle switch wasn't engaging/disengaging. I slackened it off and had a quick play with the idle screw and all seems fine now.

I'll update when I get my chip as I'm still reluctant to use it without at risk of running lean but it seems sorted for now :D Only thing is that it doesn't stall when I tighten the idle screw all the way in which makes me think I have an air leak somewhere?

Cheers guys.

cheys03

Was it up to full temp when you tightened the screw in? If the engine was cold and the auxillary air valve was still open, this may have been enough to stop it stalling.