How to do make your car NOT run rich?
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Join Date: Mar 2006
Location: Wichita, KS
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My mods are just CAI, flowmaster catback, and I believe it has been hypertech programmed with a 160 degree thermostat (since it just warms up to 160 of course). I know its running rich, because its been getting worse mpg, whenever I rev my car it puffs black smoke (Black smoke are hydrocarbons that are going through the exhaust unburnt). And my O2s are as old as dinosaurs(lol, I believe they havent been changed).