Wrx cuts out at intersection

Asked by GuruZKSGZ Nov 15, 2017 at 12:49 AM about the 2002 Subaru Impreza WRX Wagon

Question type: Maintenance & Repair

I've got a v6 sti with a t3t4 twisted turbo set up
front facing manifold big front mount.it's runs fine
when cold but after 20mins driving when warm it
cuts out then restarts it will go well the another
intersection cuts out again

2 Answers
48,060

TheSubaruGuruBoston answered 6 years ago

You put a blown H6 in an old Imp? Wow. I'd look for a leaky vacuum line or something around the idle circuit. If nothing lokk at the ECM or get a more careful custom tune that works the idle logic and O2 sensors more carefully. (If you have a long pipe header the rear O2 can get lazy and result in a lost idle.) Good luck.

Mark helpful

F_O_R answered 6 years ago

And this is why we advise people to just buy a real WRX and avoid all the troubles of swaps.

Mark helpful

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