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1994 855T decreasing MPG

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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azureblue
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Re: 1994 855T decreasing MPG

Post by azureblue »

I think I'm going to go with an O2 cleaning and check the distributor and rotor. The plug wires are fine, and I will pull the plugs to make sure they are all OK. If that doesn't solve it, then I will check the fuel pressure. I am pretty sure the fuel pump is about 8 years old..
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