MAP sensor replacement help. Quick please! - Ford Powerstroke Diesel Forum
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  #1  
Old 06-24-2013, 06:20 AM
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MAP sensor replacement help. Quick please!

I have an 08 F350 powerstroke and I know that the map sensor is bad. Just got a new one at the dealer and I'm ready to do the install. I'm a novice DIY'er and I'd like to know if I need to use any sort of thread tape or special grease when I put the new one in. Also, could someone tell me the correct socket size I need? I currently don't have my tools with me to check.

Any help is appreciated.
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Old 06-24-2013, 06:57 AM
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I replaced mine also. I don't remember the socket size but you need a deep socked because of the electrical connector. You do not need thread tape of grease. If you want you can put a little oil on the o ring before you install.
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Old 06-24-2013, 07:00 AM
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Cool, sounds easy enough. Thanks for the quick reply. I was concerned I'd miss a small step or something.
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Old 06-24-2013, 07:07 AM
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No problem. Its an easy job. Good luck!
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Old 06-24-2013, 09:44 AM
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Well that was easy. The hardest part was not burning my big hand. Fixed my issue!

And it's a 1" socket in case anyone else is wondering.
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Old 06-24-2013, 10:14 AM
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Good deal bud!
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Old 06-26-2013, 04:04 AM
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I forgot to ask. Should I clear the code or will a drive cycle clear it automatically. It seems like after replacing the MAP, my fuel mileage dropped drastically (16 to 10 avg) and the dpf cleaned itself almost every time I drove the truck around town.

I don't have a code reader or programmer. Is there a key cycle to clear dtc codes? Google didn't help much.
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Old 06-26-2013, 06:02 AM
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I think you need a programmer to clear the dtc. I clear codes with the minimaxx. If the problem is taken care of it should clear the code after driving a few times. Also try cleaning the ebp sensor and tube.
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Old 06-26-2013, 06:23 AM
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Alright thanks. I guess I'll just let it go through a drive cycle and see what happens. By the time I drove the 20 miles to work it was back up to 15 average. I'm in the process of saving up for a Spartan.
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