Originally Posted by
s.mpr
Update: Stethoscope in and not sure it is helping. I did notice that the exhaust pipes behind the engine, right where the O2 sensors are, glow red hot when running and bouncing RPMs during idle. Now wondering if perhaps O2 sensors or catalytic converter. Anyone seen this before?
Thank you.
i would say either your timing is off or your cats are clogged. are both sides glowing? if so check your catback, there was a guy that had a rodent filling up his muffler with dog food once.