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Ford Sierra / Sapphire / RS500 Cosworth This forum is for discussion of all things pertaining to the Ford Sierra Cosworth.

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Old 07-05-2012, 10:51 PM   #1
dissmalrs
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Default 4x4 saph hunting

hi all

as above my new saph is hunting checked all the normal stuff like air leaks checked iscv ect and nothing so easy as that

but the car has a pectel computer in the car witch some of the ecu readings on i t and wen i looked at the co it said 2.5 at idle which means nothing to me so could someone give me some info back on that

also looked at the tps and it said it was at 2 degrees with my foot completely off the throttle should it not be 0 degrees and could this course my hunt

regards darryl


this is the computer in my car not the olde 1
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Old 08-05-2012, 02:05 PM   #2
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When you disconnect the iscv does the hinting stop.
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Old 08-05-2012, 02:42 PM   #3
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2 degrees means nothing to me with respect to the TPS, is it a 4x4 or RWD?
When you setup or diagnose a TPS it's usually done by checking the voltage so thats maybe the best place to start. See here;

http://www.bigturbo.co.uk/

and here

http://passionford.com/forum/general...s-voltage.html

http://passionford.com/forum/ford-es...s-voltage.html

Not saying that's your issue but it's worth checking since it's free, also i suspect your CO is maybe too low so that's possibly an issue too but I'm not 100% on that.
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Old 08-05-2012, 06:01 PM   #4
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hi ill get the car set up asap iv not owned it long so best get it set up anyway

also found a little white mark on one of my HT leads cyl 2 with a small hole and now its missing on that cylinder so looks like a new set of HT leads as well

thanks for all the help

darryl
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Old 09-05-2012, 05:50 PM   #5
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Honestly when you get it set up it will be a different car.
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Old 09-05-2012, 06:17 PM   #6
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thank glenn

im having trouble with ht leads at the mo so need to get new ones before i get it set up

cheers darryl
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Old 09-05-2012, 06:17 PM
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