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Old 04-11-2005, 06:47 PM
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Exclamation '98 E320--Code P0170--what OTHER than Maf sensor??

I have replaced the Maf sensor on this car with a new OEM maf. Reset check engine light and it came back on after several miles. Anyone know what else may be the problem?

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Old 04-11-2005, 09:48 PM
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What did the fuel trim adaptation values read?
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Old 04-11-2005, 10:23 PM
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'98 E320--Code P0170--what OTHER than Maf sensor??

My scanner is not equiped to tell me--cheepy that will only show codes and reset them.
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Old 04-11-2005, 10:32 PM
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Without the adaptation values, you have to play the "throw parts at it" game. Have you tried a new fuel pressure regulator?

It might work out cheaper to take it to a mechanic with SDS and get a proper diagnosis.

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