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1998 V70XC P0304 (Cylinder 4 Misfire) Under Hard Acceleration

Help, Advice and DIY Tutorials on Volvo's P80 platform cars -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70
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WhatAmIDoing
Posts: 965
Joined: 30 July 2016
Year and Model: 1998 S/V70 T5M
Location: North America
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Re: 1998 V70XC P0304 (Cylinder 4 Misfire) Under Hard Acceleration

Post by WhatAmIDoing »

One cylinder consistent misfire will trigger a flashing cell. Can confirm from experience.
'98 S70 T5M - 323,000mi - awaiting heart transplant :shock:
'98 V70 T5M - 324,000mi - my new project
'99 S70 "AWD" - 220,000+mi - gone :cry:
Knows enough to be dangerous :wink:
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bubbeck
Posts: 51
Joined: 22 January 2016
Year and Model: 1998 V70XC
Location: Boston
Been thanked: 1 time

Post by bubbeck »

Well, threw new properly-gapped plugs, distributor rotor/cap and wires in, and seems like the problem's solved for now! The old wires were Beldens actually, NAPA brand it seems. Will report back if the misfire crops up again. Thanks again!
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