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volvo 850 maf and map sensor

Help, Advice and DIY Tutorials on Volvo's P80 platform cars -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70
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fred54321
Posts: 37
Joined: 29 January 2006
Year and Model:
Location: peterborough

volvo 850 maf and map sensor

Post by fred54321 »

had my engine tested got error code 121 maf and map sensor can these be fixed.or have they got to be replaced.none turbo :?:
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MadeInJapan
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Posts: 13434
Joined: 31 March 2005
Year and Model: '98 S70 T5 '07S40T5
Location: Knoxville, TN American but born in Japan
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Post by MadeInJapan »

Probably a generic code pointing at the MAF sensor...only later model cars have MAP sensors that I'm aware of. What's your car doing? Is it bucking and letting our fowl air? If so, try unplugging your MAF sensor to see if it at least idles properly. If so, then you need a new MAF sensor. That would be my guess.
'98 S70 T5 Emrld Grn Met/Beige Tons of Upgrades Mobil-1
'04 V70 2.5T Red/Taupe Some Upgrades Mobil-1
'07 S40 T5 AWD 6 speed manual! Silver/Black Stage1 Heico & Elevate
'07 S60 2.5T Blue/Taupe- my kid's Volvo
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