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Here is my problem....
In MAY '09 my '95 850T set codes of 2-3-2 and 4-4-3. I knew that the first code was from vaccum leaks and old rubber elbows. The second code is for low cat converter effciency. I remember getting this code when the front O2 sensor was dying. That was back in '04 when the car had 100,000 miles.
I live in California and needed a smog check and had a plan to replace the rear O2 sensor since it was the original. Replaced the elbows and the sensor and it passed smog...no problem. Neither code returned and the performance was smoother and more responsive.
Made a trip to the desert and stayed for 4 months where I did a major tune-up, tranny flush and replaced the heater core. She ran like new and I made several trips through-out New Mexico in 100+ degree heat. It never missed a beat.
On my return to Northern California in SEPT. '09, I made a stop in Los Angeles and the check engine light came on. I wasn't worried that I would be left stranded as the car was running just fine and I felt no difference in performance.
After arriving in NOCAL, I checked the codes and the 4-4-3 returned.
HAS ANYONE EVER HAD TO REPLACE A CAT CONVERTER ON AN 850? Is that really the problem for a car that has 165,000 miles?
If it is the problem can the cat converter be cut out and a new one welded in place or should I have to replace the WHOLE exhaust system? I've seen the muffler and pipes and it's still very solid with no holes or rust of any kind.
Has anyone had this kind of issue(s) and is something else to blame for the cat converter code.
Thanks,
Dan
'95 850T Wagon
165,000 miles
ALL Stock
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