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Fuel cutoff

1K views 5 replies 3 participants last post by  MazNJ 
#1 ·
Hi everyone, i need help... maby it's familiar to anyone.
I have sti 09 , A month ago my mechanic removed the manifold so he can reach oil pipe changing.
Since then I have like fuel cutoff, like the engine turn off, and turning on right away, it not stumbles before, it happened at all gear all rpm even in neutral.
It's come and go, I can drive 20 min flat and suddenly it happens.
This are the mods that relate to the fuel.
cosswort shorte block , injector dynamic 1000cc, dw255 fuel pump and gr stumble fix kit.
We changed fuel regulator(stumble kit), didn't help.
Thanks anyway
 
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