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1995 850 speedometer stops working for 5 miles then fine

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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STLOZA
Posts: 10
Joined: 7 March 2005
Year and Model:
Location: k.c.mo. 850

1995 850 speedometer stops working for 5 miles then fine

Post by STLOZA »

ive had this problem for a while and cant figure out whats wrong it started last summer, then when it got cooler it stopped, now its back when on cruise i go about 10 miles then speedo starts jumping around lasts about 5 miles then fine i just clear the codes. it does this every morn and night to and from work i drive 100 miles a day other than that its a great car 270,000 miles any ideals thanks

Ozark Lee
MVS Moderator
Posts: 14798
Joined: 7 September 2006
Year and Model: Many Volvos
Location: USA Midwest
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Post by Ozark Lee »

What codes do you have and what port are you pulling them out of?

...Lee
'94 850 N/A 5 speed
'96 Platinum Edition Turbo
Previous:
1999 V70XC - Nautic Blue - Totaled while parked.
1999 V70XC - RIP - Wrecked Parts Car.
1998 S70 T5
1996 850 N/A
1989 740 GLT
1986 740 GLT
1972 142 Grand Luxe

STLOZA
Posts: 10
Joined: 7 March 2005
Year and Model:
Location: k.c.mo. 850

Post by STLOZA »

it is a gear ratio code through obd thanks

Ozark Lee
MVS Moderator
Posts: 14798
Joined: 7 September 2006
Year and Model: Many Volvos
Location: USA Midwest
Has thanked: 4 times
Been thanked: 75 times

Post by Ozark Lee »

Check the connector on your vehicle speed sensor - it is located on the back side of the transaxle below the transmission. It is more or less midway between where the axles go into the housing.

...Lee
'94 850 N/A 5 speed
'96 Platinum Edition Turbo
Previous:
1999 V70XC - Nautic Blue - Totaled while parked.
1999 V70XC - RIP - Wrecked Parts Car.
1998 S70 T5
1996 850 N/A
1989 740 GLT
1986 740 GLT
1972 142 Grand Luxe

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