Hi All,
My 1993 V6 Camry SE flunked emissions. It was the HC at idle.
The HC at idle has been climbing over the last 3 years, from 54, to
101, to
135 now. That's just 5, over the state limit.
The 2500 RPM readings on HC have been climbing over the same period:
13, 18, 25.
The car has 110K miles on it. All the dash lights act normal. No Check Engine light.
I had the plugs, water mump and timing belt changed at the dealer about 3 months. Oil is fresh. Air filter is not new, but I have worse.
What should I be looking at? Oxygen sensor? What's the most likely culprit contributing to high HC at idle?
Regards,
Rich