high revs when depressing clutch - ford focus zetec 1.8 1998

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charliebrownboy
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Joined: Sat Aug 23, 2014 4:01 pm

high revs when depressing clutch - ford focus zetec 1.8 1998

Unread post by charliebrownboy » Sat Aug 23, 2014 4:09 pm

On starting up from cold revs are about 1200 revs, if I put the car in first to move off the revs go high 2500 when clutch is depressed but drop to about a 1000 revs when gear engaged, this happens throughout the gear range, especially while the engine is warming up. Once warmed up this action still happens but revs not so high when clutch is depressed. I have checked for vacuum leaks but can find none and clutch is ok. sometimes I can be in 5th gear whilst doing 30 mph whilst not touching the throttle. Any help would be appreciated.

 

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carriedi
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Location: Oregon

Re: high revs when depressing clutch - ford focus zetec 1.8

Unread post by carriedi » Sun Aug 24, 2014 7:53 pm

there is a combination of things to look at. the TPS, the IAC and throttle would be the main things to look at first. If your TPS is reading too high the PCM doesn't see your throttle as closing and thinks you are still driving down the road.
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charliebrownboy
Posts: 4
Joined: Sat Aug 23, 2014 4:01 pm

Re: high revs when depressing clutch - ford focus zetec 1.8

Unread post by charliebrownboy » Thu Aug 28, 2014 3:11 pm

Thank you for your reply, will look at those areas you mentioned.

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