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Bad ignition coil?

Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo 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

Sommerfeldt
Posts: 1136
Joined: Tue Jul 29, 2008 1:25 pm
Year and Model: 1996 850 T5
Location: Oslo Area, Norway
Has thanked: 55 times
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Norway
Sommerfeldt

Re: Bad ignition coil?

Post by Sommerfeldt » Sun Jul 17, 2016 7:26 am

Darkskies65 wrote:to see if my new fan was operational
And was it? :lol: Well, good thing that both you and the car made it to drive another day. :D

- S
'96 855 T5, R bumper and spoiler, Koni Yellows & blue H&R springs all 'round.

cn90
Posts: 6724
Joined: Wed Mar 31, 2010 9:54 am
Year and Model: 2004 V70 2.5T
Location: Omaha NE
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United States of America
cn90

Re: Bad ignition coil?

Post by cn90 » Sun Jul 17, 2016 11:20 am

- This particular Bosch coil used in 1993-1998 rarely goes wrong but a used one at junkyard is about $10.
Ebay has a whole bunch of them. Use only Bosch, used or new.

- Wires should be Bougicord.

- Cap/Rotor should be Bosch.

- Spark Plugs should be in decent condition (tons of info in forum).

Once you have all of these checked, you should not have a ny spark when looking at engine at night.

PS: Check all ground wires.
2004 V70 2.5T 100K+
2005 XC90 2.5T 110K+

Sommerfeldt
Posts: 1136
Joined: Tue Jul 29, 2008 1:25 pm
Year and Model: 1996 850 T5
Location: Oslo Area, Norway
Has thanked: 55 times
Been thanked: 36 times
Norway
Sommerfeldt

Re: Bad ignition coil?

Post by Sommerfeldt » Sun Jul 17, 2016 12:19 pm

Yeah, the keep on rolling for hundreds of thousands of miles - you've probably had a little bad luck, maybe a PO who didn't keep up on the maintenance, etc. :)

cn90's right - the coils rarely go. Sure they may lose some oomph over the years, but a 10 dollar junkyard part is almost a completely sure thing. I don't agree on the "only Bosch" thing, though - upgrading the coil is a very common thing, so if you want to go with MSD, for example, do that. Don't however, buy lookalikes - only Bosch, or known upgrade/"performance" manufacturer.

- S
'96 855 T5, R bumper and spoiler, Koni Yellows & blue H&R springs all 'round.

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