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Volvo 850 Made from 1993 to 1997, this Volvo line was available in both a wagon and a sedan, both with were graced with several trim levels.

Constantly hitting boost cutoff! frustrating..

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Old 02-15-2011, 08:34 AM
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Originally Posted by matt01
even with the MBC im not boosting high enough for cutoff. i never boost near 14PSI..
but the gap is worth looking into.. ill check that. if i buy volvo plugs are they pre-gapped.. right now i have bosch or something..
Always check the gap before you put them in. Never assume they're pre-gaped.

But if you're running a cheap MBC, you could be getting boost spikes, hence cut off or misfires. What MBC are you using?
 
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  #22  
Old 02-15-2011, 02:11 PM
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a cheap one off ebay.. but if it were a boost spike would you see the boost guage spike or not?
 
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