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Failed Smog Test
Posted to Technical Discussion Forum on 3/5/2020 69 Replies

Greetings Techs. I have a customer that has an ‘87 Monte Carlo that has been designated as a gross polluter with HC’s at idol of over 850ppm. All the other measurements were normal. I haven’t checked compression yet which I plan to do next. Customer has done a... Login to read more.

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car Vehicle Data

1987 Chevrolet Monte Carlo 5.0L

Engine5.0 L
Trans4-speed Automatic

car Vehicle Data

1987 Chevrolet Monte Carlo 5.0L

Engine5.0 L
Trans4-speed Automatic