04-13-2016, 01:26 PM | #1 |
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P115d fault code
Alright guys so I've had my 320d 2 weeks now n it's came up with engine management light, and car running weird in lower speeds ( hesitation around 30-45 mph around 3rd n 4th gear, I plugged it in got the p115d code to which I replaced the maf sensor with new one and it's still having the same problems lights back on and the engine feels hesitant again at certain speeds 😕 Any advice guys ? Anyone had this ?
Last edited by mike-tomo; 04-13-2016 at 05:07 PM.. |
04-13-2016, 04:04 PM | #2 | |
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04-13-2016, 04:20 PM | #3 |
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Maf
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04-13-2016, 04:31 PM | #4 |
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Mutually assured destruction sensor - lets you know when the nukes are coming.
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04-13-2016, 05:02 PM | #6 | |
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More information needed. What age is the car, for example ? |
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04-14-2016, 12:52 AM | #8 |
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Yep, computer says - P115D Mass air flow (MAF) sensor signal offset. Leaky hose?
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04-14-2016, 02:59 AM | #9 |
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Oh, and if you've only had it 2 weeks, then how was it bought ?
Private buy : you're on your own Auction : you're on your own Retail sale from a dealer : take it back there for them to fix, and look up "consumer rights act" |
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04-14-2016, 03:33 AM | #10 |
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its a maf code but it could mean an issue before or after the maf, the maf talks to the lambdas and vice versa. ill bet money on it being either a blocked air filter or an air leak either before or after the maf. also check your replacment part, was it used? and is it the correct part * sillyish i know but happens *
check the hoses etc and listen for a hiss. check the maf connector for a greenish corrosion buildup, clean using electric contact spray, the maf sensor itself can be cleaned with some success also with the same spray gently on the thin wire . if the part you replaced it with was new and fitted properly your issue isnt maf related but air intake related edit: if you cant diagnose the issue yourself your car will soon throw bank codes aswell, too lean, too rich etc etc. so if you are unable to find a fix yourself get it in the garage you will save yourself a huge headache and alot of money |
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04-14-2016, 04:49 AM | #11 | |
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05-19-2016, 03:50 AM | #14 |
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The plot thickens I'm afraid guys need some advice
So the garage replaced the egr ( under warranty) Problem persisted Done a check came up with back pressure sensor or fault Replaced that Problem persisted Done another check and the p115d code was the maf sensor Replaced that Problem persisted I've now rang the garage n told them the light still on and I'm not happy, waiting for boss to call me back don't really know where to go from here smoke test? To check for caught leaks? I can't hear any vacuum leaks to be honest I'd thought I'd hear a leak when accelerating but I suppose if it's small? I don't know, any clues folks? |
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05-19-2016, 05:47 AM | #16 | |
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05-19-2016, 07:35 AM | #17 |
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09-06-2016, 09:44 AM | #19 | |
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01-10-2019, 07:02 AM | #21 |
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My 2011 535xi has codes p115d, p112f, p306d. Just had the fuel pump recall taken care of, the codes are still showing. Hesitant if I should buy a new MAF sensor... I thought taking care of the fuel pump recall would remove the engine light but no success
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02-21-2019, 03:26 PM | #22 |
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this code means possibly something else...
see this one to start with... https://www.autocodes.com/p115d.html |
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