3 door cosworth hunting idle.
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Fiesta ZS. FF feat nov'11
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My cosworth has started to idle funny after a long trip out this weekend.
On cold the car will idle around 1500rpm. It used to idle perfect at around 1000rpm. Once the car is up to temperature the idle will hunt between 1000 and 2000rpm with a very distinct pattern. Ive doneno work on the car to potentially cause this problem recently. Any ideas?
Note...I tried unplugging iscv when hot and it made no difference.
Search didnt really give me any definitive pointers.
Thanks guys.
On cold the car will idle around 1500rpm. It used to idle perfect at around 1000rpm. Once the car is up to temperature the idle will hunt between 1000 and 2000rpm with a very distinct pattern. Ive doneno work on the car to potentially cause this problem recently. Any ideas?
Note...I tried unplugging iscv when hot and it made no difference.
Search didnt really give me any definitive pointers.
Thanks guys.
Last edited by Rossy43; 01-07-2013 at 04:41 PM.
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