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Vx v6 manuel MISFIRE

jvan5391

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2001 vx s-pack series 2 manuel
Ive got a vx series 2 s pack manuel its got a misfire the comes and goes some times its there at 2000rpm and some times it doesnt start missing to 4500rpm, it does it under all conditions and im absoluting stumped on my situation, so far ive...
Replaced the DFI module
Replace coil packs with a viarty of working packs
New crank angle sensor
New Fuel pump
New Fuel Filter
New air filter
New bouch leads and plugs evening knowing the ones on it were only 6months old
I cut the traction control wire to rule out a dodgy unit
Ive cleaned all the injectors Maf sensor and throttle body, and now i dont know what to do, its all starting to add up and im only a apprentice so money is tight, Anyone got any idea what it could be???
 

jvan5391

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2001 vx s-pack series 2 manuel
Its done 250,000 and its got yella terra 1.91-1.95 roller rockers, big throttle body and low temp thermostate, i run 95 unleaded which is premuim
 

jvan5391

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2001 vx s-pack series 2 manuel
and some times the misfire disappears all together
 

jvan5391

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yeah the crank angle sensor did but thats been changed
 

Cameron P

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i have a slight miss underload, like sometimes if i accelerate too much in 5th doing 60km/h.

i have been told its an injector?!
 
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