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Discussion Starter · #1 ·
Hey guys,

Got a problem and I can´t fint the solution. It´s driving me nuts!

The car misfires under 2500rpm but only when hot(driving for a while). I´m running Larini exhaust with race cats.
I´ve changed:
  • Plugs and coils
  • Both water temp sensors
  • Both fuelpumps and filter
  • Both front O2 sensors and checked the rear.
  • Leakdown test looks good
  • Comp test looks good
  • Checked for vaccum leaks

The thing I´ve noticed is that left bank is running hotter. When the car is up to temp the exhausts on left bank are hot(almost burning my palm) but the right bank is almost cold.
I´ve checked the temp before cats/on header and it´s similar, but after cat it´s a larger differens.

Any ideas?
 

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Those "exhausts" anywhere you touch them, should be hot enough to sizzle your skin right off.

Very strange that you can touch a part of the "exhaust" and "almost" burn your palm. I would expect you to pull back your hand in excruciating pain.

Something is definitely wrong.
 
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