What I think could have killed my Mass Air Flow Sensor
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erikv11
- Posts: 11911
- Joined: 25 Jul 2009, 14:03
- Year and Model: 850, V70, S60R, XC70
- Location: Iowa
- Has thanked: 311 times
- Been thanked: 817 times
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, 201k
'07 XC70, black, 205k
'07 XC70, willow green, 223k
gone: '96 NA 850 210k, '98 NA V70 182k, '98 S70 NA 225k, '96 855 NA 169k
'98 V70, T5 tune-injectors-turbo, LPT engine, 304k, daily driver
'06 S60 R, 201k
'07 XC70, black, 205k
'07 XC70, willow green, 223k
gone: '96 NA 850 210k, '98 NA V70 182k, '98 S70 NA 225k, '96 855 NA 169k
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cleven
- Posts: 92
- Joined: 27 Jan 2013, 23:12
- Year and Model: 2001 V70 T5
- Location: Fort Smith, Arkansas
- Has thanked: 1 time
- Been thanked: 5 times
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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matthew1
- Site Admin
- Posts: 14799
- Joined: 14 Sep 2002, 11:03
- Year and Model: 850 T5, 1997
- Location: Denver, Colorado, US
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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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Also -> Amazon link. Click that when you go to buy something on Amazon and MVS gets a cut!
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]
How to Thank someone for their post
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volvolugnut
- Posts: 6501
- Joined: 19 Jan 2014, 09:51
- Year and Model: 2001 V70
- Location: Oklahoma USA
- Has thanked: 987 times
- Been thanked: 1075 times
Looks great!
Here is my OCD surfacing:
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
John Deere 214 lawn tractor about 1977 model
And others.
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
John Deere 214 lawn tractor about 1977 model
And others.
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cleven
- Posts: 92
- Joined: 27 Jan 2013, 23:12
- Year and Model: 2001 V70 T5
- Location: Fort Smith, Arkansas
- Has thanked: 1 time
- Been thanked: 5 times
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
- Posts: 92
- Joined: 27 Jan 2013, 23:12
- Year and Model: 2001 V70 T5
- Location: Fort Smith, Arkansas
- Has thanked: 1 time
- Been thanked: 5 times
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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