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Re: B230FT stumble/stall/poor mpg 700 1986

posted by  someone claiming to be keefus on  Mon Nov 27 09:10 CST 2000 [RELATED]

First, check the fuel pressure regulator. I removed the vacuum hose from the manifold, and sucked on the hose. Fuel taste told me to replace FPR ($50 or so).

Also, check your O2 sensor (700/900 FAQ has procedure). I replaced mine, and my bucking/hesitation under throttle went away. My gas consumption decreased as well.

Finally, my mechanic has told me that Bosch platinum plugs are no good for a Volvo turbo engine. He recommended Bosch Super (copper core) one heat range hotter than spec. This also helped.

Good luck. Study the 700/900 FAQ.





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New B230FT stumble/stall/poor mpg [700][1986]
posted by  someone claiming to be David Hungerford  on Mon Nov 27 08:56 CST 2000 >


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