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G UK · 12-05-2008, 20:50

If this only happens with the car moving it could be the vehicle speed sensor, if it happens even when stationary it could be a clutch position sensor (if its got one) or something in the gearbox dragging.

My advice, if you can get any error codes from the ecu do so. Also try reducing the idle revs with the adjustment screw on the throttle body, let it settle for a while then test to see if its still doing it.

Edit: Oh and get a friend who knows cars to have a quick look before taking it to a garage

---------- Post added at 20:50 ---------- Previous post was at 20:42 ----------

Another quick thought.

Start the engine and let it warm up. Whilst Parked and listening to the revs depress the clutch. Do the revs rise?

I believe this could give us a good idea at what we are looking at.

12-05-2008, 20:50	#19
G UK Gibbering Idiot Join Date: May 2007 Location: NG17 Age: 25 Services: L TV, L BB, M Phone Posts: 238	Re: Cars and Blondes.... If this only happens with the car moving it could be the vehicle speed sensor, if it happens even when stationary it could be a clutch position sensor (if its got one) or something in the gearbox dragging. My advice, if you can get any error codes from the ecu do so. Also try reducing the idle revs with the adjustment screw on the throttle body, let it settle for a while then test to see if its still doing it. Edit: Oh and get a friend who knows cars to have a quick look before taking it to a garage ---------- Post added at 20:50 ---------- Previous post was at 20:42 ---------- Another quick thought. Start the engine and let it warm up. Whilst Parked and listening to the revs depress the clutch. Do the revs rise? I believe this could give us a good idea at what we are looking at. __________________ I think perhaps the most important problem is that we are trying to understand the fundamental workings of the universe via a language devised for telling one another when the best fruit is. Terry Pratchett