1996 850 R loses power during accleration / misfire Topic is solved
- Clemens
- Posts: 1932
- Joined: 3 September 2015
- Year and Model: 96 855 R + 94 855 T5
- Location: Austria
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Re: 1996 850 R loses power during accleration / misfire
In an AT equipped R i have the same motor as you have in the t-5r. I'd say at full boost there is like 3/16 inch left on the gauge. I thought that is where it should be.
Summer: 1996 855 R
Winter: 1994 855 T5M
Donor: 1995 854 10V
Winter: 1994 855 T5M
Donor: 1995 854 10V
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Sommerfeldt
- Posts: 1148
- Joined: 29 July 2008
- Year and Model: 2018 S90 T8
- Location: Oslo Area, Norway
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You're absolutely right. I was looking at the car in your profile thingy there, the GLT, and just ignored everything else, apparently. My bad. 
- S
- S
2018 S90 T8 Inscription - glossy black with amber interior and dark as night rear windows.
[Gone] '96 855 T5 - R bumper and spoiler, Koni Yellows & blue H&R springs all 'round.
[Sold] '97 S70 T5
[Gone] '95 855 T5-R - one of the black ones... sadly stolen and wrecked.
[Gone] '96 855 T5 - R bumper and spoiler, Koni Yellows & blue H&R springs all 'round.
[Sold] '97 S70 T5
[Gone] '95 855 T5-R - one of the black ones... sadly stolen and wrecked.
- erikv11
- Posts: 11800
- Joined: 25 July 2009
- Year and Model: 850, V70, S60R, XC70
- Location: Iowa
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And for salt in the wound (please forgive me!) ... that GLT is a non-turbo!!Sommerfeldt wrote:You're absolutely right. I was looking at the car in your profile thingy there, the GLT, and just ignored everything else, apparently. My bad.![]()
'95 854 T-5R, Motronic 4.4, 185k
'98 V70, T5 tune-injectors-turbo, LPT engine, 304k, daily driver
'06 S60 R, 197k
'07 XC70, black, 205k
'07 XC70, willow green, 212k
'99 Camry V6
153k
gone: '96 NA 850 210k, '98 NA V70 182k, '98 S70 NA 225k, '96 855 NA 169k
'98 V70, T5 tune-injectors-turbo, LPT engine, 304k, daily driver
'06 S60 R, 197k
'07 XC70, black, 205k
'07 XC70, willow green, 212k
'99 Camry V6
gone: '96 NA 850 210k, '98 NA V70 182k, '98 S70 NA 225k, '96 855 NA 169k
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Sommerfeldt
- Posts: 1148
- Joined: 29 July 2008
- Year and Model: 2018 S90 T8
- Location: Oslo Area, Norway
- Has thanked: 55 times
- Been thanked: 42 times
Thanks for that. I do enjoy a pinch or two of nice sea salt in my wounds.erikv11 wrote:And for salt in the wound (please forgive me!) ... that GLT is a non-turbo!!
- S
2018 S90 T8 Inscription - glossy black with amber interior and dark as night rear windows.
[Gone] '96 855 T5 - R bumper and spoiler, Koni Yellows & blue H&R springs all 'round.
[Sold] '97 S70 T5
[Gone] '95 855 T5-R - one of the black ones... sadly stolen and wrecked.
[Gone] '96 855 T5 - R bumper and spoiler, Koni Yellows & blue H&R springs all 'round.
[Sold] '97 S70 T5
[Gone] '95 855 T5-R - one of the black ones... sadly stolen and wrecked.
- pkc303
- Posts: 600
- Joined: 30 April 2009
- Year and Model: 1995 T-5R Yellow
- Location: Houston, Texas
- Has thanked: 1 time
- Been thanked: 3 times
You might also take a look at the plug wires. At high power settings, they will not work as well when they get older. Just a thought.
1995 Volvo 850 T-5R Yellow
1997 Volvo 850R (sold)
2003 Volvo V70 2.4T, K&N air filter, (sold)
1996 Volvo 940 (sold)
1992 Volvo 740 Turbo (sold)
1990 Volvo 240 Wagon (sold)
1987 Volvo 240 Wagon (sold)
1982 Volvo DL (sold)
1997 Volvo 850R (sold)
2003 Volvo V70 2.4T, K&N air filter, (sold)
1996 Volvo 940 (sold)
1992 Volvo 740 Turbo (sold)
1990 Volvo 240 Wagon (sold)
1987 Volvo 240 Wagon (sold)
1982 Volvo DL (sold)
- Clemens
- Posts: 1932
- Joined: 3 September 2015
- Year and Model: 96 855 R + 94 855 T5
- Location: Austria
- Has thanked: 473 times
- Been thanked: 219 times
Thanks, plugs and wires are on my stage 0 list anyway. just a bit further down 
As for plugs everyone seems to recommend OEM Volvo and the Volvo or Bougicord wires for Turbo cars, right?
As for plugs everyone seems to recommend OEM Volvo and the Volvo or Bougicord wires for Turbo cars, right?
Summer: 1996 855 R
Winter: 1994 855 T5M
Donor: 1995 854 10V
Winter: 1994 855 T5M
Donor: 1995 854 10V
- erikv11
- Posts: 11800
- Joined: 25 July 2009
- Year and Model: 850, V70, S60R, XC70
- Location: Iowa
- Has thanked: 292 times
- Been thanked: 765 times
You will find a slightly wider range of opinion on the plugs, although everyone agrees the OEM ones are terrific.
Bougicord wires are bulletproof. When new.
Bougicord wires are bulletproof. When new.
'95 854 T-5R, Motronic 4.4, 185k
'98 V70, T5 tune-injectors-turbo, LPT engine, 304k, daily driver
'06 S60 R, 197k
'07 XC70, black, 205k
'07 XC70, willow green, 212k
'99 Camry V6
153k
gone: '96 NA 850 210k, '98 NA V70 182k, '98 S70 NA 225k, '96 855 NA 169k
'98 V70, T5 tune-injectors-turbo, LPT engine, 304k, daily driver
'06 S60 R, 197k
'07 XC70, black, 205k
'07 XC70, willow green, 212k
'99 Camry V6
gone: '96 NA 850 210k, '98 NA V70 182k, '98 S70 NA 225k, '96 855 NA 169k
- pkc303
- Posts: 600
- Joined: 30 April 2009
- Year and Model: 1995 T-5R Yellow
- Location: Houston, Texas
- Has thanked: 1 time
- Been thanked: 3 times
I found the OEM plugs and Volvo or Bougicord wires work the best for the Volvo 850. Not cheap, but they work best. Mine had a similar problem, went back to OEM plugs and changed wires, fixed the problem. Just a thought, yours may be something different.
1995 Volvo 850 T-5R Yellow
1997 Volvo 850R (sold)
2003 Volvo V70 2.4T, K&N air filter, (sold)
1996 Volvo 940 (sold)
1992 Volvo 740 Turbo (sold)
1990 Volvo 240 Wagon (sold)
1987 Volvo 240 Wagon (sold)
1982 Volvo DL (sold)
1997 Volvo 850R (sold)
2003 Volvo V70 2.4T, K&N air filter, (sold)
1996 Volvo 940 (sold)
1992 Volvo 740 Turbo (sold)
1990 Volvo 240 Wagon (sold)
1987 Volvo 240 Wagon (sold)
1982 Volvo DL (sold)
- Clemens
- Posts: 1932
- Joined: 3 September 2015
- Year and Model: 96 855 R + 94 855 T5
- Location: Austria
- Has thanked: 473 times
- Been thanked: 219 times
I just came across this old thread of mine and can Close the case: I put new Volvo plugs, Bourgicord wires and a Volvo (guess Bosch) rotor in a few months ago. It has been running very steady ever since. This also cured the slight misfires I had in rainy or humid weather.
I also drained the ATF a few times, did the PCV twice (second time with the larger hose mod). Now everything is good.
I also drained the ATF a few times, did the PCV twice (second time with the larger hose mod). Now everything is good.
Summer: 1996 855 R
Winter: 1994 855 T5M
Donor: 1995 854 10V
Winter: 1994 855 T5M
Donor: 1995 854 10V
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