 850 Turbo Surging, Surging |
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| 850 Turbo Surging, Surging |
 Aug 27 2008, 09:56 PM
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#1
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Newbie Group: Members Posts: 1 Joined: 27-August 08 Member No.: 47,445 Status:  Location: USA Drives: 2005 King  |
OK, I have a 1996 850 turbo that is surging and getting a code of p103. The code says "MAF sensor input high". I have replaced the MAF sensor but still have the same problem. Today it is just stalling out after a couple min.
KRdono |
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Aug 27 2008, 10:02 PM
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#2
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 Full Member  Group: Members Posts: 166 Joined: 20-February 08 Member No.: 38,678 Status:  Location: USA Drives: 1995 Volvo 850 Wagon |
you likely have realized that the MAF didn't fail. something else is the problem...
http://www.volvoclub.org.uk/tech/service/8...es-NonTurbo.pdf read and clear all your codes. the codes that reappear can help lead you to the problem. i dont know from turbos unfortunately... have you been taking care of all the normal tune-up stuff a twelve year old car needs? filters, plugs, wires, rotor, cap, fluids, plugs, flame trap/PCV?vacuum cleaning, etc...? my 850 stalled a few times and didn't want to start again. it was the coil. hopefully some of the turbo guys will type in soon. good luck! |
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Aug 28 2008, 06:00 AM
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#3
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 Veteran  Group: Admin Posts: 7,248 Joined: 1-March 05 Member No.: 3,464 Status: Location: Kuala Lumpur, MALAYSIA Drives: 1996 Volvo 855 T5 FWD, 1989 Honda Civic 2-Door |
QUOTE(krdono @ Aug 28 2008, 10:56 AM) OK, I have a 1996 850 turbo that is surging and getting a code of p103. The code says "MAF sensor input high". I have replaced the MAF sensor but still have the same problem. Today it is just stalling out after a couple min. KRdono [right][snapback]90328[/snapback][/right] You've replaced the MAF sensor, and it is STILL surging? Well, at least the lambda has not returned, right? Meaning it could be 2 different things. Your gearbox okay? :) |
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Aug 28 2008, 03:03 PM
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#4
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 Veteran  Group: Super Mod Posts: 3,351 Joined: 9-August 07 Member No.: 31,123 Status: Location: Brooklyn, New York Drives: 1996 Volvo 850 R,1968 SS clone Camaro,1963 pan/shovel chopper, 1949 Panhead bobber, 1967 Triumph Bonneville, 1967 Honda 175, 1999 Suzuki Hayabusa, 1996 Impala SS big-block, 2004 Mercedes E500 (the mrs.), 1934 Dodge, |
or, the other thing, the fuel system. pump okay? filter new?
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Aug 28 2008, 08:15 PM
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#5
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Veteran Group: Admin Posts: 7,248 Joined: 1-March 05 Member No.: 3,464 Status: Location: Kuala Lumpur, MALAYSIA Drives: 1996 Volvo 855 T5 FWD, 1989 Honda Civic 2-Door |
Yes, that too.
Thanks, Greek! :) |
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Aug 28 2008, 11:35 PM
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#6
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Expert Group: Members Posts: 533 Joined: 17-June 06 Member No.: 15,939 Status: Location: Victoria, Australia Drives: '88 240 Wagon, '95 850 T5 Wagon, '00 Nissan ST Twin cab ute. |
QUOTE(TheGreekMason @ Aug 29 2008, 07:03 AM) or, the other thing, the fuel system. pump okay? filter new? [right][snapback]90380[/snapback][/right] +1 to TGM as this is the general area I would be having a good hard look at. To the best of my limited knowledge, a turbo can't "surge" because it reacts (i.e. spins) to the pressure of the exhaust gas. The only thing that I could think of would be something like a sticky or worn out turbo spindle bearing but, because of the tremendous centrifugal forces at work in a turbo, I wouldn't expect a turbo to last very long if something like that did happen. Trust what the hairy Greek Man said about fuel supply (and psssstt - don't overlook the innocuous fuel relay). |
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