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1998 Volvo V70 misfiring in cylinder 3 no compression

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E Showell
Posts: 3275
Joined: 16 Oct 2008, 16:00
Year and Model: ‘07 S80 3.2
Location: Long Valley, N.J.
Has thanked: 37 times
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Post by E Showell »

I have been down this road before. My unsolicited advice would be find a good used engine and swap in by a shop. Expensive, but not a whole lot more than a head job if a shop is going to do the labor on that.
'98 V70 NA FWD 5 spd, silver sand metallic (sold)
'99 V70 NA FWD Auto, dark blue (sold)
'99 S70 NA FWD Auto, black (sold and resurrected -- Don't cry for me Argentina . . . )
'07 S80 3.2 FWD Auto, Barents Blue Metallic
'06 V70 R AWD Auto, Sonic Blue Metallic (sold)
'04 XC70 Ruby Red Metallic (sold)
'95 855 auto (sold)
'86 245 manual (sold)
'05 V70 T5 M (totalled)
'06 V70 FWD Auto (totalled)
'02 Honda Insight CVT
‘04 Honda Insight CVT — “Yesterday’s car of tomorrow” (sold)
‘06 Honda Insight CVT

Soldiersax
Posts: 1
Joined: 15 Oct 2020, 00:31
Year and Model: 1998
Location: Virginia

Post by Soldiersax »

Those numbers are almost identical to mine. 98 s70 with approx 190k miles. No compression on 3, 30 dry, 40 wet looks like it’s a burnt valve now. The shop the other day didn’t say anything about a blown head gasket, but after the compression test, it smokes like hell. Runs very choppy as well. Shop only wanted to change all the fuel injectors because they said 1 and 2 were leaking (which they’re not) and they said valve cover seal bad, but it’s not. I was getting ready to change the pcv system because it’s probably been clogged forever, so I bought the kit to do the job. Not sure if it’s worth it now

User avatar
E Showell
Posts: 3275
Joined: 16 Oct 2008, 16:00
Year and Model: ‘07 S80 3.2
Location: Long Valley, N.J.
Has thanked: 37 times
Been thanked: 112 times

Post by E Showell »

Definitely not worth doing the PCV now. Two realistic choices:1) viking funeral; 2) engine swap.
'98 V70 NA FWD 5 spd, silver sand metallic (sold)
'99 V70 NA FWD Auto, dark blue (sold)
'99 S70 NA FWD Auto, black (sold and resurrected -- Don't cry for me Argentina . . . )
'07 S80 3.2 FWD Auto, Barents Blue Metallic
'06 V70 R AWD Auto, Sonic Blue Metallic (sold)
'04 XC70 Ruby Red Metallic (sold)
'95 855 auto (sold)
'86 245 manual (sold)
'05 V70 T5 M (totalled)
'06 V70 FWD Auto (totalled)
'02 Honda Insight CVT
‘04 Honda Insight CVT — “Yesterday’s car of tomorrow” (sold)
‘06 Honda Insight CVT

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