Service Engine soon light came on and engine starting running rough. Like it wanted to stall. Drove just a few minutes and parked it. This was smoking.
D2 - 2000. 131K.
Without any codes, I would think that maybe you have coolant leak that is getting into the cylinders and is causing a misfire and the coolant is leaking out of the cat.
Check the oil for coolant
Buy a iCarsoft LR II scanner and check the codes
From the picture, I could not tell if the smoke was coming from inside the cat or the heat shield around the cat.
Could be:
1. smoke is coming from AC drain that is leaking on cat
2. the weld on the cat is broken and exhaust is leaking out
3. head gasket leak and coolant is getting into the cylinders and inside the cat
As pointed out, codes are critical to figure out what is going on here otherwise we are shooting in the dark.
As above, this could simply be steam from the A/C draining onto the exhaust. However, the rough running may be a sign of a clogged catalytic converter, which gets hot, smokes, swells, and causes degradation of performance as a result.
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