4.3l issues

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01-26-2009, 02:06 PM

#11

stock48

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What is the AFR when its running bad?

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01-26-2009, 04:56 PM

#12

TURBHOE

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when its at its worse it shows way lean and starts raising the fuel trims as much as it can. which makes it worse. when it runs kinda ok it shows rich 800-900mv and pulls a starts pulling a ton of fuel. the wide bands not installed yet. I'm afraid this problem may toast the wide band sensor