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4k on load missfire ( kinda just started )

ok a beginning of week it started to pop on over run every now and then ... but then another day i was barley drivable in the evening...

Following morning tuck a look and noticed i had a BOV blanking pipe coming off sorted that but the 4k misfire remained

after playing with Maf's all 3 i had Problem Went Away

untill this evening

 

Drove friday night and the Night before no probs

Drove this morning all fine

Drove home from santa pod and its Started again

4k or so it pop's jerks stutter then go's

 

I know there is NO boost leaks as i only tested this on Friday and i could pressure up to 25psi before my bung pops out

 

the car has been on Consult at Jeff's all Good Timing Spot on

 

Any ideas ?

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