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"check engine light" & white smoke for 94 850

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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"check engine light" & white smoke for 94 850

Post by guest »

The "check engine" light is always on while I am driving. The dealer said it might be a sensor problem, but even after changing o2 sensor 2 months ago, the problem still exists. Now, I am wondering there might be some severe internal problem with the engine, because I noticed some white smoke from the exhaust at the start of the car. Moreover, there is so strong oil smell when I driving locally that I don't even want to turn on my AC. But, driving on high way is much better.

Any idea of this problem? Is it very severe and hard to repair? Thanks.

peterketer

Post by peterketer »

Sounds like the seal for the turbo is failing (at least that is what my mechanic said about mine) or we have a new Pope.

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