Another Bad MAF?

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Another Bad MAF?

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Another Bad MAF? - 5/16/2008 3:44:29 PM

jkid

Posts: 649
Joined: 9/26/2007
Status: offline Has anybody here ever bought a bad MAF? How delicate are these things? With my old MAF I got a PO734 code with increasing consistantly and very occationally a PO171/PO174. With my new MAF I bought from British Pacific (ERR7171) I get PO171, PO174, PO734 codes consistantly with a PO733 thrown in for extra measure. My crank sensor had also decided to die about 10 miles after replacing the old MAF a couple of weeks ago. The crank sensor is good now, so I decided to try the new MAF again (after swapping back in the old one), but it's just giving even more codes now. Am I just having bad luck or what?

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01 D2 SE (90K miles) Stock For now
1982 Mercedes 300SD (270k miles)

Post #: 1

RE: Another Bad MAF? - 5/16/2008 4:02:29 PM

Disco Mike

Posts: 11153
Joined: 4/27/2006
Status: offline MAF's just don't give out, what are you running for a filter?
So are you getting a code now?

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Mike
Retired service manager. Member of the Solihull Society, NCLR club,past member of the SCLR club and Santa Barbara 4 Wheelers.
99 D2, 3" lift, lockers, H.D. axles, 4:11 gears, Custom front and rear bumpers, Warn winch, HID lights and an Engel 45.

(in reply to jkid)

Post #: 2

RE: Another Bad MAF? - 5/16/2008 4:25:28 PM

jkid

Posts: 649
Joined: 9/26/2007
Status: offline I replaced the paper filter last fall, I think it is a Hastings filter. I've been getting only the PO734 with the old MAF for the last week or so since I got the engine stalling/no start fixed and everything working again. I put the new MAF back in this morning and I have PO733, PO734, PO171, PO174 with it. I'm wondering if they just sent me a bad MAF. I was also surprised that it didn't say Bosch on it. I could put the old one back in again and see what pops up, I'm getting very confused.

_____________________________

01 D2 SE (90K miles) Stock For now
1982 Mercedes 300SD (270k miles)

(in reply to Disco Mike)

Post #: 3

RE: Another Bad MAF? - 5/16/2008 6:02:28 PM

Spike555

Posts: 5963
Joined: 6/22/2007
From: Grand Rapids MI
Status: offline Did you buy a brand new MAF or a used one?
Anything that is manufactured can be bad from the factory, you know, second shift on a Friday, or first shift on a Monday kind of thing.

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If it ain''''''''''''''''''''''''''''''''t leakin'''''''''''''''''''''''''''''''' it must be empty!
Yes, one man can change the world.
If the citizens are affraid then they are easier to control.

The "Storm Trooper",'''''''''''''''''''''''''''''

(in reply to jkid)

Post #: 4

RE: Another Bad MAF? - 5/16/2008 6:33:33 PM

jkid

Posts: 649
Joined: 9/26/2007
Status: offline Yeah, that's true. I'll just REALLY feel like I'm throwing parts at it if I buy another new one. I guess I'll give them a call on Monday and see what they can do. I'm still curious if the new (and possibly bad) MAF and crank sensor finally dying could be related somehow. What a coincidence that was.

_____________________________

01 D2 SE (90K miles) Stock For now
1982 Mercedes 300SD (270k miles)

(in reply to Spike555)

Post #: 5

RE: Another Bad MAF? - 5/16/2008 6:45:25 PM

Spike555

Posts: 5963
Joined: 6/22/2007
From: Grand Rapids MI
Status: offline Is it under warrenty? Do you know anybody with a DII that you can try your MAF in their trk?

_____________________________

If it ain''''''''''''''''''''''''''''''''t leakin'''''''''''''''''''''''''''''''' it must be empty!
Yes, one man can change the world.
If the citizens are affraid then they are easier to control.

The "Storm Trooper",'''''''''''''''''''''''''''''

(in reply to jkid)

Post #: 6

RE: Another Bad MAF? - 5/16/2008 6:55:40 PM

jkid

Posts: 649
Joined: 9/26/2007
Status: offline It looks like they have the manufacturers limited 1 year warranty. I should be in luck.

_____________________________

01 D2 SE (90K miles) Stock For now
1982 Mercedes 300SD (270k miles)

(in reply to jkid)

Post #: 7

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