Idle issue

Started by bugn8r, October 03, 2016, 06:09:02 PM

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bugn8r

Hey guys, thought I'd post up here and see if anyone has had a similar issue.

When I start the car it revs fine and continues to idle perfectly if I leave it sitting. When leaving the drive it starts to climb and by the time I hit the lights down the road it's revving at close on 2k. If after 5 minutes of driving I turn the car off and leave it sitting for 10 minutes or so the car will start and idle perfectly however if I leave it for a couple of hours it will have the same issue start over again and rev up.

If I don't stop and drive for 15 minutes or so the idle will drop also.

Any ideas before I start testing things?


fabgeii

what engine? any modifications? sounds like a crank shaft speed sensor on the top of my head but could be multiple reasons

sifty

Is it a K-Jet or carby?

It'd be worth checking the O rings on the idle screw. Mine was doing similar things and that was the cause.

bugn8r

K jet, EJ motor! Will do cheers. Yea the car is far from original so has a mix of stock and other VW hoses/connections.