Blown head gasket?
09-16-2013, 08:54 PM
#21
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I have seen a lot of cats fail on stock cars with no other air/fuel problems. That being said its gonna be hard to diagnose any other faults with that clogged up cat on there. Backfiring, misfiring all that is associated with 4 cylinders not able to get rid of exh gasses. I'd replace the cat asap, clear codes and monitor fuel trims. Just my .02 good luck!
09-17-2013, 04:00 AM
#22
Hmmm. Seems I have a bit of probing to do here...
The rotten egg smell was never all the time: just a handful of instances.
I'll search tomorrow for a leak. Somewhere. There is a K&N filter on it that I just cleaned too, so maybe I didn't cinch down a bolt, or cracked a vacuum line.
The rotten egg smell was never all the time: just a handful of instances.
I'll search tomorrow for a leak. Somewhere. There is a K&N filter on it that I just cleaned too, so maybe I didn't cinch down a bolt, or cracked a vacuum line.
