S-10 & Blazer 1982-2005
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01 what would cause triple fuel consumption

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Old Jul 19, 2011 | 7:49 AM
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rhaser's Avatar
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Default 01 what would cause triple fuel consumption

When its cold seems to run fine. after 2 minutes or so it starts dumping fuel! it did burn out the plastic t that connects the exhaust to the smog pump. it sounded like i had a major leak. does that mean one of the check valves is bad? would that cause the fuel prob when it warms. i have already thrown plugs wires cap 02 sensor at it. i pulled both forward 02 sensors after running and they are both wet?
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Old Jul 19, 2011 | 5:58 PM
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If you have an OBD scanner, check any parameters that change drastically at the 2-minute mark, e.g., sometimes a knock sensor going haywire can cause spark retardation and fuel dumping. Other than that, it's probably best to take it in for service before the catalytic converter is a goner.
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