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95 850: opposite mpg effect with gas pedal

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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CIK7  
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Year and Model: 95 854T & V70trailer
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95 850: opposite mpg effect with gas pedal

Post by CIK7 »

Instead of getting better gas mileage by letting off the gas pedal, it actually plummets from maybe 20 or so down to 4 or 5 mpg. If I'm averaging about 20 or so with a constant pedal pressure and I suddenly stomp the gas down, the gas mileage will skyrocket to 30-40 miles per gallon. Bonkers like Yonkers.
95 854 Turbo 258K, auto, current
98 V GLE/SE red, 379k (277k), 5sp, trailer in progress...
09 Rav4 Ltd3.5Fwd, red, 208.5k/213k, sold
05 CRV EX AWD, Navy, 170K/184k, sold
03 Accord 2dr V6 silver, 196K/214K, 6sp, t-boned, sold
98 S GT white, 175K, 5sp, sold
96 964 silver, 146K, diff&trans/engine self-destr, crushed 😭
98 XC black, 151K, flooded&bent rod, crushed
01 V Base white, 168k, traded for XC
09 Impala LT1 gray, 196K, sold for 01
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hausmeister
Posts: 573
Joined: 22 July 2006
Year and Model: 1995 850T5-R
Location: Austria
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Post by hausmeister »

Just stomp that pedal then! :D
850 T5-R '95 auto Image
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