4x4 Cos Misfire
28-06-2006, 09:52 PM
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4x4 Cos Misfire
I've got a misfire. 
It only comes in further up the rev range.
The car has a stage three set up with switchable boost between 10 and 23 psi.
When on 10psi the car stutters lightly at around 5500rpm - not very noticable.
When on 23psi the car stutters heavily from 4000rpm onwards - very noticable.
Any suggestions?
My thoughts were;
1. Spark being blown out
2. Crank sensor faulty
Cheers,
Pete.
It only comes in further up the rev range.The car has a stage three set up with switchable boost between 10 and 23 psi.
When on 10psi the car stutters lightly at around 5500rpm - not very noticable.
When on 23psi the car stutters heavily from 4000rpm onwards - very noticable.
Any suggestions?
My thoughts were;
1. Spark being blown out
2. Crank sensor faulty
Cheers,
Pete.
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