Question about Cars & Trucks
Posted by Anonymous on
Change out the primary oxygen sensor(s) - these are the ones on the exhaust manifolds, between the engine and catalytic converters. They're the computer's main source of information when it comes to the car's air/fuel mixture, and when they start to fail, the car will default to a rich-running situation, dumping extra fuel into the engine to safeguard it. You'll probably notice a lot of black carbon buildup in the tailpipe, and possibly less power than you're used to. That's a sign of a rich fuel condition, and changing the oxygen sensors is the typical fix.
Posted on Jul 13, 2010
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Posted on Jan 02, 2017
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