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What I think could have killed my Mass Air Flow Sensor

Help, Advice, Owners' Discussion and DIY Tutorials on Volvo's stylish, distinctive P2 platform cars sold as model years 2001-2007 (North American market year designations).

2001 - 2007 V70
2001 - 2004 V70 XC (Cross Country)
2004 - 2007 XC70 (Cross Country)
2001 - 2009 S60
2003 - 2007 S60 R
2004 - 2007 V70 R
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erikv11
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Year and Model: 850, V70, S60R, XC70
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Re: What I think could have killed my Mass Air Flow Sensor

Post by erikv11 »

Empirically, I believe that for these cars MAF cleaner is a complete waste of time and money, though only a few dollars. As mentioned the actual sensor is protected and the cleaner may not reach it, and more to the point I don't think I've heard of the cleaner ever "fixing" an instance of a misbehaving MAF.
'95 854 T-5R, Motronic 4.4, 185k
'98 V70, T5 tune-injectors-turbo, LPT engine, 304k, daily driver
'06 S60 R, 197k
'07 XC70, black, 205k
'07 XC70, willow green, 212k
'99 Camry V6 :shock: 153k
gone: '96 NA 850 210k, '98 NA V70 182k, '98 S70 NA 225k, '96 855 NA 169k
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cleven
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Year and Model: 2001 V70 T5
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Post by cleven »

Yea it’s crazy. I put everything back together and put some Lucas cleaner in the tank and filled up with 93……. And it seems to run okay BUT it’s not 100 degrees outside and I was just easy coasting 🙄.
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cleven
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Post by cleven »

Looks way better atleast lol
4958976E-A8DC-482F-B68C-59948936C2F4.jpeg
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matthew1  
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Post by matthew1 »

yep
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1998 V70, no dash lights on

1997 850 T5 [gone] w/ MSD ignition coil, Hallman manual boost controller, injectors, R bumper, OMP strut brace

2004 V70 R [gone]

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volvolugnut
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Post by volvolugnut »

cleven wrote: ↑16 Jun 2021, 22:48 Looks way better atleast lol
Looks great!
Here is my OCD surfacing: :lol: You are missing 3 screws. Two for the turbo tube on the front and top of the intake manifold and one for the power steering tube/hose. The turbo tube screws help the tube from blowing off the hoses under the wicked boost of the T5.

volvolugnut
The Fleet:
Volvo: 2001 V70 T5, 1986 244DL, 1983 245DL, 1975 245DL, 1959 PV544, multiple Volvo parts cars.
Mercedes: 2001 E320, 1973 280, 1974 280C, 1989 300E, 1988 300TE, 1979 300TD, parts cars.
2009 Smart Passion
Ford: 1977 F350, 1964 F150 (2), 1938 Tudor Sedan
Farmall tractors: 1956 400 Diesel, 1946 A
And others.
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cleven
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Post by cleven »

Lol I got the screws in my cup holder. When I got the car it didn’t have any. I just replaced that hose from the intercooler yesterday. 400,000 miles the factory hose was very soft😕.
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cleven
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Post by cleven »

Don't know what's wrong with this thing. Bipolar I guess. Replaced all vac lines, intercooler hose, Boost controller, took throttle body off and cleaned it, changed fuel pump, filter, all o rings in the fuel rail, mass air flow sensor, added factory air box back in, new spark plugs, filled up with 93 with lucas fuel treatment and still ran like crap. Let it sit over night went to start it up to move it drove it around the block and no more ghost idle and I been driving it two days now and its driving just fine.......... With over 400k no telling what it could be. I'm just gonna enjoy the ride I guess tell something else goes.
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