andrewblueboy Posted March 4, 2015 Share Posted March 4, 2015 mk1 1.6 zetec hi all, i have this problem when car warms up the revs hang between gears and only drop once car is in gear. when cold this is fine, clutch is fine. this only happens when changing any infor appricated andy Quote Link to comment Share on other sites More sharing options...
artscot79 Posted March 4, 2015 Share Posted March 4, 2015 Sounds like clutch slip the clutch is on its WA out Quote Link to comment Share on other sites More sharing options...
andrewblueboy Posted March 4, 2015 Author Share Posted March 4, 2015 Sounds like clutch slip the clutch is on its WA out thanks for the reply with the clutch the engine doesnt rev with the car being at a same speed as associated with clutch slip and changes gear fine. the pedal is close to the top tho.could this be a sign. Quote Link to comment Share on other sites More sharing options...
London's Finest Posted March 4, 2015 Share Posted March 4, 2015 Oh my god. I've got the same exact symptoms as you! I posted a thread " clutch clutch clutch" yesterday and I got some replies... I think both of our clutches are on their way out, they're not fully gone just yet. How many miles has your car done? Quote Link to comment Share on other sites More sharing options...
andrewblueboy Posted March 4, 2015 Author Share Posted March 4, 2015 Oh my god. I've got the same exact symptoms as you! I posted a thread " clutch clutch clutch" yesterday and I got some replies... I think both of our clutches are on their way out, they're not fully gone just yet. How many miles has your car done? roughly 135 tho as iv only had the car just over a year i aint got a clue when this was changed. i shall have a look at your post Quote Link to comment Share on other sites More sharing options...
mjt Posted March 4, 2015 Share Posted March 4, 2015 Andrew, I take it you mean that when you come off the gas and declutch for your gearchange the revs stay high? If so that can't be a clutch problem. Assuming it's not something as simple as a sticking throttle cable or butterfly it might be the idle control valve. 1 Quote Link to comment Share on other sites More sharing options...
andrewblueboy Posted March 4, 2015 Author Share Posted March 4, 2015 Andrew, I take it you mean that when you come off the gas and declutch for your gearchange the revs stay high? If so that can't be a clutch problem. Assuming it's not something as simple as a sticking throttle cable or butterfly it might be the idle control valve. correct mjt you got it spot on there with what i was trying to explain.perhaps i should of tried to explain it better myself. i shall give this idle valve a try. thanks Quote Link to comment Share on other sites More sharing options...
dave1987 Posted March 10, 2015 Share Posted March 10, 2015 I had this on my fiesta. Cars are supposed to hang the revs a little when changing gears to make the changing a bit smoother. I cleaned out the idle control valve and it fixed the problem. That was on a 2002 1.25 mk5 fiesta. Sent from my iPad using Ford OC Quote Link to comment Share on other sites More sharing options...
London's Finest Posted March 10, 2015 Share Posted March 10, 2015 By how much did the revs hang on your focus? Quote Link to comment Share on other sites More sharing options...
mintalkin Posted March 11, 2015 Share Posted March 11, 2015 check the crank/vacume hoses for a split which would allow air into the system and make the revs hang. 1 Quote Link to comment Share on other sites More sharing options...
dave1987 Posted March 11, 2015 Share Posted March 11, 2015 Hung around the 1700-2200 revs mark. Sent from my iPad using Ford OC Quote Link to comment Share on other sites More sharing options...
jmurray01 Posted March 14, 2015 Share Posted March 14, 2015 Our 2000 Focus 1.8 Zetec with 180,000 miles has this issue, but to be honest it has never bothered me enough that I've got around to fixing it. The only time that it is a bit irritating is when you come to a stop and the engine revs stay at 2,000RPM for 3-4 seconds. Thing is, our 1997 Fiesta 1.25 Zetec-S did it as well and it only had circa 70,000 miles on the clock, but I suppose it is age more than mileage that causes valves to stick. Strangely enough, we also had a 1998 Rover 216 with the 1.6 K-Series engine (70,000 miles) and it had absolutely no rev hang at all, in fact it dropped down so quickly you would almost expect it to stall. I do miss that car actually, head gasket failure and all!! Quote Link to comment Share on other sites More sharing options...
mjt Posted March 15, 2015 Share Posted March 15, 2015 Yes, those K-series engines were very prone to HGF, especially the early ones with plastic dowels between head and block. Beyond 50K miles it was almost guaranteed. Not the best design of engine, Rover (and Land Rover) struggled to find a gasket design that would last. 1 Quote Link to comment Share on other sites More sharing options...
andrewblueboy Posted March 15, 2015 Author Share Posted March 15, 2015 well mine has now settled, as i already bought a fuel filter i thought i changed it as i didnt know when it was changed. what a difference that alone has made. the high revs have settled. i bought a tin of carb cleaner ready to do the idle valve, this will still get done anyway just for peace of mind. fuel filter has diff surprised me and with the Halfords membership card it was only £3.92 bargain Quote Link to comment Share on other sites More sharing options...
jmurray01 Posted March 15, 2015 Share Posted March 15, 2015 Yes, those K-series engines were very prone to HGF, especially the early ones with plastic dowels between head and block. Beyond 50K miles it was almost guaranteed. Not the best design of engine, Rover (and Land Rover) struggled to find a gasket design that would last. Indeed. We bought ours at 76,000 miles and by 78,000 miles (a few months later) the head gasket blew. Being an old car with serious undercarriage corrosion I put a bottle of K-Seal in the coolant, changed the oil and hey presto it was fine again. I don't know how long it would have lasted in the long run, but it kept the car going for another 8 months before the MOT expired and it was scrapped. Quote Link to comment Share on other sites More sharing options...
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