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OBD P0171 and P0174 on E150..1998

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Old Jul 24, 2007 | 03:20 PM
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riemer's Avatar
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Default OBD P0171 and P0174 on E150..1998
I pull these codes occasionally ...P0171 and P0174 on a well maintained 1998 Van with 105K miles. No apparent change in performance.What's up??? Thanks, John
 
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Old Jul 24, 2007 | 03:46 PM
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techmanbd's Avatar
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Default RE: OBD P0171 and P0174 on E150..1998
Go here for p0171
http://www.obd-codes.com/trouble_cod...gen-sensor.php

and here for p0714
http://www.obd-codes.com/trouble_cod...gen-sensor.php

Same type of symptom, but different bank. Probably the MAF since it is on both banks. Those links tell possible problems.
 
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