BUT! the test tech said two things.
A) fan clutch not working as fan did not come up to speed. I just replaced it myself with an extreme duty clutch. Not to difficult. Easier that the water pump. Fan runs good now. I notice that the A/C is better at idle and the engine does not almost stall at idle. Had the A/C converted about 15 years ago.
B) the exhaust smelled gassy at idle.
It has a relatively new O2 sensor and catalytic converter (5 yrs ago).
Timing was TDC as stated by the smog test tech.
The 25 MPH smog test reading were low but the 15 MPG readings were getting close to the test MAX but still well below so passed.
So the question is, what adjustment needs to be made to reduce the gassy smell? Anything to tweak?
This will probably reduce the life of the cat. Right? I had a quote for a new cat and o2 sensor installed of $190. Not too bad. Maybe in two years I will need to do that.
Recent work included: new starter motor (2 mos ago), valve job and head gasket replaced (a little head plane done) (4 yrs ago), fuel pump and filter by Chevy dealer (6 mos ago). Most stuff done by me or a Ferrari mechanic friend.
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