CO's are to high on 1984 Ford LTD 5l to pass smog

Asked by aplusservicecenter May 19, 2020 at 06:30 PM about the 1984 Ford LTD Sedan

Question type: Maintenance & Repair

this car has failed smog 3 times for gross polluting. 2000.00 worth of repairs
done and now the CO's are too high? anyone know what might cause this????

1 Answer

F_O_R answered 4 years ago

Carbon monoxide is due to incomplete combustion. If it is running too rich this could be the cause or perhaps the air injection (smog pump) is not working. What repairs did you have done?

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