check the idle control valve, give that a clean
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| revving problem https://www.fiesta-si.com/forums/viewtopic.php?f=4&t=15730 |
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| Author: | zetecherb [ Thu May 14, 2009 2:05 am ] |
| Post subject: | revving problem |
i know it doesnt matter too much as im getting a new engine but when i stop my cars likes to rev its self and the only way of stopping it is by putting your foot on off the accelerator very quick sometimes you have to repeatedly press the clutch. ive checked the throttle bodie wd40'd it still do exactly the same thing check all my sensors just cant think what else this can be |
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| Author: | meilack [ Thu May 14, 2009 6:59 am ] |
| Post subject: | Re: revving problem |
check the idle control valve, give that a clean
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| Author: | EvilDes [ Thu May 14, 2009 7:12 am ] |
| Post subject: | Re: revving problem |
When you say it revs, does it rev up to a certain point, or does it just rev up to the redline if you don't interfere? I've also noticed your sig - I find it quite ironic you post problems with your car then have the cheek to say "Jap Crap". 
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| Author: | zetecherb [ Thu May 14, 2009 8:49 am ] |
| Post subject: | Re: revving problem |
lmao!! ye but fiesta are clone to go wrong lol, jap cars are suppose to be reliable  No but a couple of times its revved up to the redline and hits it then comes down again but its only done thats 2 or 3 times, now its going up to about 3 - 3.5k rpm and kindda stays there if you dont interfear it stays there for roughly about 3 seconds then comes down again just whilst your sitting still inside the car dont sound to good when it does it every time you stop. 
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| Author: | meilack [ Thu May 14, 2009 8:51 am ] |
| Post subject: | Re: revving problem |
idle control valve clean thatclean the maf clean the throttle body and if it still does it, i'm confused 
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| Author: | zetecherb [ Thu May 14, 2009 8:53 am ] |
| Post subject: | Re: revving problem |
tried cleaning the throttle bodie last night still did it. ill try idle control valve today!! WTF is a maf? lol |
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| Author: | meilack [ Thu May 14, 2009 8:56 am ] |
| Post subject: | Re: revving problem |
Mass Air Flow Sensor or something like that Air filter is bolted on to it
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| Author: | EvilDes [ Thu May 14, 2009 11:07 am ] |
| Post subject: | Re: revving problem |
ANY car can have problems. Especially those that have a bit of power running through them to start with... Anyways, do as has been suggested. Idle control valve seems a likely suspect. Have a check on all the vacuum hoses aswell though as if they're split and sucking in more air they can cause idle problems too.
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| Author: | zetecherb [ Thu May 14, 2009 12:48 pm ] |
| Post subject: | Re: revving problem |
lol only having a laugh mate anyway i always rip it out my brother cause he hates jap cars yet hes had an evo 4 that blew up :S and a subaru hes got now the old shape like that short estate thing 95 plate i think m reg. hhave to admit though its grown on me!! ive cleaned the idle control valve now seems ok so far fingers crossed. meilack mate i dont run a air flow meter thing lol, been discounnected |
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| Author: | meilack [ Thu May 14, 2009 1:02 pm ] |
| Post subject: | Re: revving problem |
ah fair enough 
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| Author: | zetecherb [ Fri May 15, 2009 2:49 am ] |
| Post subject: | Re: revving problem |
lol. IT STILL F**KING DOING IT 
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| Author: | TANGO [ Fri May 15, 2009 12:33 pm ] |
| Post subject: | Re: revving problem |
try reconnecting the air flow meter bit, sure that will help!!
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| Author: | zetecherb [ Fri May 15, 2009 1:04 pm ] |
| Post subject: | Re: revving problem |
tried this already  after cleaning the throttle body and the indle control valve its seems to be ALOT better as it doesnt rev so high but does still do it so im thinking may worth me buying new ones see if that helps. Although nt sure how to replace the throttle body ???
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| Author: | TANGO [ Fri May 15, 2009 2:12 pm ] |
| Post subject: | Re: revving problem |
im sure it just bolts straight off mate |
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| Author: | zetecherb [ Fri May 15, 2009 2:14 pm ] |
| Post subject: | Re: revving problem |
fair enough ill have another look abit later, i took the induction kit off the body and just doused it in wd40 as i said above its abit better but still doing it basically every single time i stop, but i dont want to go out and start buying bits and replacing bits if the bits arnt even the problem. |
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| Author: | TANGO [ Fri May 15, 2009 2:17 pm ] |
| Post subject: | Re: revving problem |
sometimes its the only way tho mate, have you got a mate with the same car which you can trial and error his bits with?? saves paying for them all!! |
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| Author: | zetecherb [ Fri May 15, 2009 2:21 pm ] |
| Post subject: | Re: revving problem |
Nope , might ask billy bridges scrappy if i can drive my car in and sort of check parts and see what happens then if i need parts ill just pay for what i take
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| Author: | EvilDes [ Fri May 15, 2009 2:44 pm ] |
| Post subject: | Re: revving problem |
I'd say it's your ISCV gone up the spout in all likeliness Cleaning it may have made it a bit better, but if it's shot, it won't fully restore obviously.As said, if you can borrow one to check, that'd be the best idea. But if not, that'd be my first port of call
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| Author: | zetecherb [ Fri May 15, 2009 3:31 pm ] |
| Post subject: | Re: revving problem |
ill have another check with the valve then try and nab one off of someones car
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| Author: | jonosi [ Fri May 15, 2009 9:10 pm ] |
| Post subject: | Re: revving problem |
sounds like exactly the same prob i am having with Si ive cleaned the MAF wires, throttle body, ISCV, swapped the TPS and now im thinking maybe the ISCV is fooked or it could be the lambda after reading that this can cause issues if its also fooked im gona live with mine for a few weeks tho as i will be on me annual journey to Severn Valley so it should be sorted then |
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