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#1
06-11-2016, 10:06 AM
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Mass Air Flow
Ok so I just replaced my mass air flow sensor about a week ago. My check engine light just came back on and when I scanned it it said mass air flow sensor. Any ideas what could be causing this to happen again? The codes are P0102, P0440, P0440.
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#2
06-11-2016, 01:08 PM
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Re: Mass Air Flow
P0440 is the infamous gas cap code. You will get this if the cap is not tight, also if there is a leak in the evap system anywhere.
Inasmuch as the P0102 - does this have the factory intake system (airbox) or has it been modified? Check the condition of the wiring leading to the MAF.
__________________
1988 9C1 - Modified LM1 @ 275HP/350TQ - TH700R4 - 3.08 8.5" Disc Rear - see it at http://www.silicon212.org/9c1! 2005 Crown Vic P71 - former AZ DPS - 4.6 liters of pure creamy slothness! 1967 El Camino L79/M20 old school asphalt raper Remember - a government that is strong enough to give you everything you need, is also strong enough to take everything you have.
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#3
06-11-2016, 01:39 PM
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Re: Mass Air Flow
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#4
06-12-2016, 12:55 AM
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Re: Mass Air Flow
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#5
06-12-2016, 12:56 AM
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Re: Mass Air Flow
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#6
06-16-2016, 06:54 PM
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Re: Mass Air Flow
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should idle if the MAF is bad though. I would check that you have NO leaks after the MAF. also again the connector /wiring/ also check voltages at the MAF you tube has a good video. you will need a frequency meter for ONE of the readings which is the MAF output. only use MAF cleaner !!!!!!!! carb cleaner will kill it.
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