lionalcook Posted April 10, 2011 Share Posted April 10, 2011 (edited) hello all,I have an escort encore 1.3 cvh estate 1996. the old girl is over revving when I accelerate, but gets a bit better when the temp gauge is in the 'norm'.its a pain in the bum when your trying to pull out of a junction quickly. someone suggested i try a new air temp sensor - i got one from the breakers and it was cured for about a week and now its back to how it was. has any one got any ideas i could try or know what the cause is please? thanks in advance for any help. Edited April 10, 2011 by lionalcook Link to comment Share on other sites More sharing options...
Stu Posted April 10, 2011 Share Posted April 10, 2011 Do you mean the engine speed increases without the car accelerating? Link to comment Share on other sites More sharing options...
lionalcook Posted April 10, 2011 Author Share Posted April 10, 2011 Do you mean the engine speed increases without the car accelerating? i put my foot down and it over revs but the car goes no-where...if you know what i mean. the accelerator goes down the engine revs right up and sounds like a race car but she dont go any faster LOL Link to comment Share on other sites More sharing options...
lee grout Posted April 10, 2011 Share Posted April 10, 2011 Are you sure its not a dodgy clutch! Link to comment Share on other sites More sharing options...
lionalcook Posted April 10, 2011 Author Share Posted April 10, 2011 (edited) Are you sure its not a dodgy clutch! i shouldnt think so unless the clutch corrects itself when the cars temp gets to 'norm' ? i also had a new clutch fitted about 2 years ago. Edited April 10, 2011 by lionalcook Link to comment Share on other sites More sharing options...
lee grout Posted April 10, 2011 Share Posted April 10, 2011 Are you sure its not a dodgy clutch! i shouldnt think so unless the clutch corrects itself when the cars temp gets to 'norm' ? i also had a new clutch fitted about 2 years ago.That is rather weird. A dodgy sensor somewhere maybe, i dont know, someone on here must know tho, lots of knowledge flying around these pages. Link to comment Share on other sites More sharing options...
Stu Posted April 10, 2011 Share Posted April 10, 2011 The only cause of engine revs increasing without road speed is a clutch not engaging properly, either due to wear or another fault somewhere. Nothing to do with engine sensors. Link to comment Share on other sites More sharing options...
PeeWee Posted April 10, 2011 Share Posted April 10, 2011 You can't assume the clutch is still functioning correctly after two years either. Link to comment Share on other sites More sharing options...
Ahmotorsport Posted April 10, 2011 Share Posted April 10, 2011 When things get hot they expand, it could be the release bearing expanding as it gets hotter which engages the clutch just enough, when cold, not a hope in hell. Link to comment Share on other sites More sharing options...
lionalcook Posted April 10, 2011 Author Share Posted April 10, 2011 When things get hot they expand, it could be the release bearing expanding as it gets hotter which engages the clutch just enough, when cold, not a hope in hell.that wouldnt explain why it worked perfectly for about a week when i exchanged the air temp sensor? Link to comment Share on other sites More sharing options...
shawdreamer Posted April 10, 2011 Share Posted April 10, 2011 maybe its just getting really excited at lights? Link to comment Share on other sites More sharing options...
Ahmotorsport Posted April 10, 2011 Share Posted April 10, 2011 When things get hot they expand, it could be the release bearing expanding as it gets hotter which engages the clutch just enough, when cold, not a hope in hell.that wouldnt explain why it worked perfectly for about a week when i exchanged the air temp sensor?Well, it's not sensor related, it's mechanical. Think about it, You put your foot down, you don't go faster, but it's making all the noise, the engine part is working perfectly if it revs up and drops down.....Clutch. Link to comment Share on other sites More sharing options...
lionalcook Posted April 10, 2011 Author Share Posted April 10, 2011 When things get hot they expand, it could be the release bearing expanding as it gets hotter which engages the clutch just enough, when cold, not a hope in hell.that wouldnt explain why it worked perfectly for about a week when i exchanged the air temp sensor?Well, it's not sensor related, it's mechanical. Think about it, You put your foot down, you don't go faster, but it's making all the noise, the engine part is working perfectly if it revs up and drops down.....Clutch.i know what your saying and agree but how would exchanging the sensor make it work ok for about 1 week? maybe it is the sensor thats gone again? Link to comment Share on other sites More sharing options...
Stu Posted April 10, 2011 Share Posted April 10, 2011 The air temp sensor does very little. It's nothing to do with your issue. Link to comment Share on other sites More sharing options...
Ahmotorsport Posted April 10, 2011 Share Posted April 10, 2011 When things get hot they expand, it could be the release bearing expanding as it gets hotter which engages the clutch just enough, when cold, not a hope in hell.that wouldnt explain why it worked perfectly for about a week when i exchanged the air temp sensor?Well, it's not sensor related, it's mechanical. Think about it, You put your foot down, you don't go faster, but it's making all the noise, the engine part is working perfectly if it revs up and drops down.....Clutch.i know what your saying and agree but how would exchanging the sensor make it work ok for about 1 week? maybe it is the sensor thats gone again?You can't agree with me if your asking if the sensor has gone again.....I give up. Link to comment Share on other sites More sharing options...
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