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2000 Volvo V70 misfire concern

Help and Advice on Volvo's extremely popular car line, powered by Volvo's nearly indestructible, versatile inline 5-cylinder engine.
1992 - 1997 850, 850 R, 850 T5-R, 850 T5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

2000 Volvo V70 misfire concern

Postby RSM-GA » 07 Dec 2008, 03:44

My car is a 2000 V70 non-turbo (stock). It was running fine when I drove home from work last night. Today, I started it up to drive to get lunch, it immediately started with a miss. Not really bad in park or neutral, but with a light load it was really bad. CEL lamp came on and I checked for codes -p0301 cyl #1 misfire. I went to the parts store and bought five Bosch platinum plugs and a coilpack for good measure. I installed the coil and all of the plugs. I restarted and at first it was ok then started missing again. Code P0303. I went and bought another coil and installed it. CEL again and this time it was P0302 #2 misfire. I went back and bought the last coil at the parts store and installed it. So far no more misfire and no more codes! Question - is it normal for 3 coils to fail like this at once?

Thanks,
Rob
Savannah GA
[img]C:\Users\sony\Pictures\2010-01-17[/img]
My garage:
1998 Volvo S70 T5 91k
1999 Volvo S70 190k
1999 Mercedes Benz E320 199k sold
2000 Volvo V70 SE sold
1999 Taurus SHO V8 sold
RSM-GA
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Posts: 49
Joined: 30 Nov 2008, 20:03
Location: Savannah, GA
Model and Year: S70 T5 1998

Re: 2000 Volvo V70 misfire concern

Postby MadeInJapan » 07 Dec 2008, 04:04

Welcome to MVS.
Could be the coil packs but doubtful. The Bosch Platinums are detested by our turbo Volvo's for some reason...they misfire often. You're better off doing just plain copper cores...and gap makes a big difference. The plugs you buy are hardly ever gapped correctly. You really need to make sure of this- 0.026~0.028 inch gap. If this doesn't keep the misfires away, next is your ignition wires- don't buy aftermarket- our cars are finicky about these too...Bougicord wires are the OEM brand.
'98 S70 T5 Emrld Grn Met/Beige Tons of Upgrades Mobil-1
'04 V70 2.5T Red/Taupe Some Upgrades Mobil-1
94 850 Sedan NA Drk Blue/Tan
'00 V40 Purple/Grey Mobil-1
MadeInJapan
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Posts: 12085
Joined: 31 Mar 2005, 14:14
Location: Knoxville, TN American but born in Japan
Model and Year: '98 S70 T5

Re: 2000 Volvo V70 misfire concern

Postby 895meztz94 » 07 Dec 2008, 04:37

1999+ have coil packs, no plug wires to worry about.
1999 Volvo V70 2.4 Base 207k miles and counting

2003 Saab 9-5 Linear
895meztz94
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Re: 2000 Volvo V70 misfire concern

Postby MadeInJapan » 07 Dec 2008, 04:52

895meztz94 wrote:1999+ have coil packs, no plug wires to worry about.


Oops...you are correct. I would deal with the plugs and plug gaps first...still doubtful that many coil packs went bad at once, or right after another.
'98 S70 T5 Emrld Grn Met/Beige Tons of Upgrades Mobil-1
'04 V70 2.5T Red/Taupe Some Upgrades Mobil-1
94 850 Sedan NA Drk Blue/Tan
'00 V40 Purple/Grey Mobil-1
MadeInJapan
MVS Moderator
MVS Moderator
 
Posts: 12085
Joined: 31 Mar 2005, 14:14
Location: Knoxville, TN American but born in Japan
Model and Year: '98 S70 T5

Re: 2000 Volvo V70 misfire concern

Postby RSM-GA » 07 Dec 2008, 05:18

that's what i thought too! So far, no more codes (while keeping my fingers crossed) I guess i will know more after i drive it some. befuddles me!
[img]C:\Users\sony\Pictures\2010-01-17[/img]
My garage:
1998 Volvo S70 T5 91k
1999 Volvo S70 190k
1999 Mercedes Benz E320 199k sold
2000 Volvo V70 SE sold
1999 Taurus SHO V8 sold
RSM-GA
Forum Member
Forum Member
 
Posts: 49
Joined: 30 Nov 2008, 20:03
Location: Savannah, GA
Model and Year: S70 T5 1998

Re: 2000 Volvo V70 misfire concern

Postby RSM-GA » 09 Dec 2008, 00:51

Drove car today to work and back (40-45 miles). Seems all is good now. No codes, no cel, no skipping or misfiring. Hope it is solved. Still don't understand how three of the five coils failed at the same time!!!!!
[img]C:\Users\sony\Pictures\2010-01-17[/img]
My garage:
1998 Volvo S70 T5 91k
1999 Volvo S70 190k
1999 Mercedes Benz E320 199k sold
2000 Volvo V70 SE sold
1999 Taurus SHO V8 sold
RSM-GA
Forum Member
Forum Member
 
Posts: 49
Joined: 30 Nov 2008, 20:03
Location: Savannah, GA
Model and Year: S70 T5 1998


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