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How important are Volvo plugs, NGK?

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

tombrisk
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How important are Volvo plugs, NGK?

Post by tombrisk » Wed Jun 17, 2020 12:50 pm

I plugged in NGK platinum... Mistake?
How important are factory plugs?
2000 V70 AWD XC
Oh, and duralast could
(Got a P0422 a few drive cycles later)

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Re: How important are Volvo plugs, NGK?

Post by tombrisk » Wed Jun 17, 2020 12:56 pm

Oops meant Duralast coils

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ecbsykes

Re: How important are Volvo plugs, NGK?

Post by ecbsykes » Wed Jun 17, 2020 1:52 pm

If they're gapped correctly (0.028) and they run fine, then keep them. I have NGK IX Iridium plugs in mine, runs perfectly, though normally I have used OEM Volvo in the past.

For coils, I'd definitely use OEM only.

Your P0422 Cat converter code can be caused by a few things. For what it's worth, my car was running perfectly, new plugs, coils, O2 sensors, great shape... and I'd still get that code every couple hundred miles. I think after a while the cat converter just loses the efficiency the rear O2 sensor is looking for. I got a space and code went away forever. Now I have an aftermarket downpipe and exhaust with rear O2 sensor delete (I still am running a cat).
2000 V70XC - 299,000 miles
Hilton Tune, 16T Turbo, Mototec 3" downpipe, Blue injectors, IPD Short Ram Filter, Snabb Intake Piping & RIP kit, do88 Intercooler, TME Dual Exhaust, HID Projectors, R Panels, do88 Silicone Hoses

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Re: How important are Volvo plugs, NGK?

Post by bmdubya1198 » Wed Jun 17, 2020 11:34 pm

Duralast coils are fine, just like any other cheaper auto store brand. P0442 wouldn't be caused by the coils or plugs if they're all new and you don't have any misfires.

NGK platinum plugs are just fine, as long as they are gapped correctly as Ed mentioned. Most prefer OE Volvo plugs, Bosch FR7DC, or NGK BKR6E. I'm running the BKR6E plugs in mine currently.
2000 V70R Venetian Red/Charcoal M56 Swapped 197k
2003 S60 2.4T Silver/Black 113k
2007 XC90 V8 AWD Sport Titanium Grey/Black 171k
1991 944 Turbo Dark Green/Beige 174k
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Re: How important are Volvo plugs, NGK?

Post by tombrisk » Thu Jun 18, 2020 7:21 am

Thanks for the input.
The CEL turned itself off (a first for any vehicle I've owned).
I picked up Volvo plugs yesterday, I'll drop them in for my sanity.
A new-to-me used car, hoping for many trouble-free miles!

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Re: How important are Volvo plugs, NGK?

Post by wizechatmgr » Thu Jun 18, 2020 9:23 am

I had some NGK Iridiums in my V70 and it ate one side of each of the center conductors. This was all well under 60k miles.
Wisdom requires knowledge as a prerequisite, but knowledge can be developed due to a lack of wisdom.
In order to learn how to fix something, you must first learn how to break it.
1999 V70 XC AWD - ~190k miles

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