bad boy rs

iTrader: (7)

I bought a new iscv off ebay as i was fed up with mine pratting around, fitted it and it starts fine but revs up to 2.5k and doesnt drop back

my old one starts fine but randomly revs its self

im planning on getting the car mapped properly, is the iscv needed ? can it be mapped to start without ?

can the old ones be stripped down and cleaned properly, ive tried the wd40 and oil before but its never worked

cheers paul

fraser9764

iTrader: (3)

what does it do when you unplug it? do the revs stay high or return to normal?

bad boy rs

iTrader: (7)

when cold it cuts out on the old & new one

fraser9764

iTrader: (3)

yep it will do, but with the new valve, when warm, if you unplug the iscv do the revs drop?

bad boy rs

iTrader: (7)

yeah mate drops back down to normal

fraser9764

iTrader: (3)

something is telling the valve to open then, check the throttle position sensor is set correctly and the coolant temp sensor in the rear of the head (blue one)

D16PJM

i had a similar problem with mine, was told it could be the chip or possible the loom but drives fine when warm.

Pete

bad boy rs

iTrader: (7)

water temp is brand new and throttle position is set correctly, wanted to get everything spot on for when it gets mapped

Rob Virgo

iTrader: (6)

Dont strip an iscv by any means, small nut has a habit of fallin into intake and getting chewed up, remove it , drop it into an eggcup of petrol up to the flange and leave for 12 hrs .pulse the soluble a few times with a 9v battery (pp3) with some wire jumpers and remove and refit....

Will be perfect , it gets gummed up by emulstion(sp) in the fuel

Rock and roll

bad boy rs

iTrader: (7)

drives fine when warm just fed up of starting and holding throttle till warm

bad boy rs

iTrader: (7)

ok so no need to strip at all sounds easy enough, the one i bough is an ebay copy so must be crap

fraser9764

iTrader: (3)

Mine is the same tbh, im blaming it on the chip. Ive checked everything else inc. the loom.
its not a stuck valve though as its obviously moving when connected.

bad boy rs

iTrader: (7)

i did think about the software but wanted to iron everything else out before it goes off for mapping got new loom aswell so not that, will try the petrol trick

Rob Virgo

iTrader: (6)

Have done that on lots of cossies , sorted every single one

James @ M Developments.

iTrader: (2)

Tps calibration ok?

studabear

mine had the same issue, tps was set wrong, and a wiring issue

COLEYST200

iTrader: (3)

i got a EBAY one and it did the same its the springs in side the ebay ones that are rong there to soft all so my one fell apart when i was driving but i was very looky as i have a swedish plenum so my one was upside down and never fell into the motor there shit

AndyKam

iTrader: (2)

how is the TPS calibrated James? I think I'll have to do mine as I somethimes have the same problem. I've got a secs monitor and even on idle the monitor sometimes shows the throttle position to be 15%.

would calibrating the tps solve this?

Rob Virgo

iTrader: (6)

loosen the two retaining screws and turn to first spring pressure , afaik

rob v

bad boy rs

iTrader: (7)

I calibrated my tps with my secs when it worked then torque checked it

Dan@Rapid-Ford

iTrader: (5)

To set the tps you have to check the voltage between pins 11'and 17 you want to see under 0.5 volts throttle closed 4.5volts throttle open on a 2wd tps or reverse the voltages for 4x4 tps

cossie4i+

iTrader: (15)

Pete tried my ISCV which worked perfect in my car but didn't work in his.

Steve

bad boy rs

iTrader: (7)

cheers dan i ll re check tonight