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Help Sparkplug Problem 850

I recently changed the plugs on my 850R. The correct Volvo ones are the single electrode. The ones I took out (put in by my local dealer)were the three prong type (not recommended for the R). The only effect I noticed with the "wrong" plugs was a very slight, about 5%, decrease in gas mileage. It did not seem to affect the car in any other way.
John Scales. (1996 850R)






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New Help Sparkplug Problem [850]
posted by  billroland850r  on Wed Feb 13 23:03 CST 2002 >


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