91 chev pk up high co2 at idle High co2 at idle retest could be a contaminated gas anilizer high co2 isnt a bad thing it means teh cat is working high CO is a failing cat whats the hydrocarbons at
...tank of gas and drive for a few days and run the inspection again. I have 245k miles on my 1991 Chev p/u and have good results with it. The engine has never been opened on it. For ten bucks it's ...
...chev venture van- we have a coolent issue, we had a bad intake gasket which we have fixed, new water pump and thermostat. For the last 2 days the temp needle was not moving alot and if it did it was ...
1998 Chev Lumina- Running very hot, locks up won't restart until it cools off completely. Changed the Thermostat, the water Heater is working. What else could it be? The coolant is not circulating! ...
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