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'95 850 Turbo Engine Shake

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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mwiles
Posts: 11
Joined: 16 June 2010
Year and Model: 850 Turbo, 1995
Location: Ohio, USA

'95 850 Turbo Engine Shake

Post by mwiles »

I stopped at a stop sign the other day, and could feel a consistent shake coming from my engine. At first I thought it was an engine mount (I noticed that my top mount bushing is kind of on its way out), but the next time I started the car I noticed a kind of misfire or strain when I turned the ignition. I replaced the spark plugs, wires, rotor, and distributor cap, thinking that my high-mileage components were finally starting to go down hill. But after replacing all of that, their is no improvement in any way.

Any ideas?

Thanks!

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

Do you have a check engine light on? If not, does it come on when the key is in position II without the engine running?

Codes go a long way in helping here. On a '95 turbo you have both OBD-I and OBD-II. The OBD-I is actually a bit more specific. Pull the codes from port A-2 and post them back.

...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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