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whats the cause for DTC "fuel trim lean bank 1&2" ?

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Old 12-03-2001, 06:03 PM
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Default whats the cause for DTC "fuel trim lean bank 1&2" ?
these DTCs (17544 for bank 1 and 17546 for bank 2) pop up now and then. I had the MAF replaced 2 months ago. any idea?
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Old 12-03-2001, 06:09 PM
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Default Been there
Intake leaks are a big possibility. Also, my car had 3 *BAD* MAFs right off the parts shelf. Just because it's new doesn't mean it's good.
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Old 12-03-2001, 06:23 PM
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Default MAF sensors!
common problem
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Old 12-03-2001, 06:29 PM
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it makes sense now... thanks guys
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Old 12-03-2001, 06:41 PM
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Default Ditto here, Don and co. My bad MAF threw these damn codes. I lucked
out and only needed to change once. (Fingers crossed...)
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Old 12-03-2001, 10:27 PM
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MAF!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!1
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