hey all,
i was having an issue with cylinder 5 misfiring so i replaced all the plugs with OEM volvo. they were fine for a while, but i'm having a small issue.
It seems like whenever i first start the car, and if i let it sit there without moving for a minute or two, the check engine light will go.. resulting in a cylinder 5 misfire code. If i clear the codes, start the car and back out and go without sitting there, it doesn't throw. I've driven several 200+ mile trips where the entire time i'm driving there's no check engine light, then i park it and when i'm leaving, start it up and let it sit for 2 minutes and it throws the stupid CEL again.
what should do? replace wires?
thanks,
pete
Cylinder 5 Misfire?
Started by pete0r, Oct 10 2005 03:18 PM
9 replies to this topic
#-19
pete0r
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Posted 10 October 2005 - 03:18 PM
1995 855 Turbo - 190k Miles
#-18
JoshV70
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Brody
Posted 10 October 2005 - 03:33 PM
Matt (Saffron98) had a similar problem like this, except in cylinder 2. He replaced his cap, rotor, wires, and plugs, which cured everything.
#-17
pete0r
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Posted 11 October 2005 - 01:26 AM
hm. does anyone else have any comments?
by the way, if i take out the spark plugs again to make sure they're gapped correctly, do i chance harming anything? my dad said if i take them out again and put them, they might not 'seal' right or something causing me to lose compression...
by the way, if i take out the spark plugs again to make sure they're gapped correctly, do i chance harming anything? my dad said if i take them out again and put them, they might not 'seal' right or something causing me to lose compression...
1995 855 Turbo - 190k Miles
#-16
josh_S70GLT
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Posted 11 October 2005 - 01:51 AM
pulling, checking/regapping and reinstalling the plugs will be fine
Edited by josh_S70GLT, 11 October 2005 - 01:52 AM.
98' S70 GLT
EST Intake, 16T @ 15psi, Forged Rods, Speedtuning ECU, iPD HD TCV, iPD Cat-Back, Strut Brace, Bilstein HDs, iPD Grille, Jewel Headlights, 17" Canistos, 215/45/17 Kumho ASX Tires
EST Intake, 16T @ 15psi, Forged Rods, Speedtuning ECU, iPD HD TCV, iPD Cat-Back, Strut Brace, Bilstein HDs, iPD Grille, Jewel Headlights, 17" Canistos, 215/45/17 Kumho ASX Tires
#-15
pete0r
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Posted 11 October 2005 - 04:28 AM
alright. thanks.
anyone else have any ideas? should i just replace rotor/cap/wires?
anyone else have any ideas? should i just replace rotor/cap/wires?
1995 855 Turbo - 190k Miles
#-14 Guest_Guest_delav18_*_*
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Posted 11 October 2005 - 08:11 AM
I had a cylinder 5 misfire after setting the gap on my plugs. Turns out when i removed the plug wires, the no. 5 cylinder wire pulled out of the sleeve a bit, so that it made a partial connection with the plug. Check to make sure that your wires are a; making a spark (disconnect wire to cyl 5 and have someone crank car,) and b, make sure they are all making a good connection with the plugs.
by the way- This happened with OEM wires purchased through FCP.
by the way- This happened with OEM wires purchased through FCP.
#-13 Guest_Guest_*
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Posted 11 October 2005 - 02:21 PM
Another possibility is a sticking injector. This is not very common, but more likely with high miles. I would still start with checking the cap and rotor. YOu can usualy see if there is a lot of carbon build up at the points.
#-12
ed850
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Posted 13 October 2005 - 12:49 AM
Had a similar problem.Replaced the plugs,wires (including the coil to distributer wire) rotor cap and distributer arm/contact with Volvo OEM parts and had no further problem.
Black 98 S70 na
#-11
Mogatu'r
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Shiny Performance Racing.
Posted 13 October 2005 - 01:39 PM
QUOTE(JoshV70 @ Oct 10 2005, 03:33 PM) 
Matt (Saffron98) had a similar problem like this, except in cylinder 2. He replaced his cap, rotor, wires, and plugs, which cured everything.
Same here! but the second it threw a CEL I stoped the car and had it took to the shop, missfire in the # 2 cylinder and everything will be replaced today, I'll tell you in details when I get him back!
brinquedo 00R-M 309hp/385tq / '97-855R 26k miles on Volvo rebuild, Weitec kit / daily... 98 v70 t5 wifey...E36 m3 cooling system overhauled:check:
#-10
pete0r
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Posted 13 October 2005 - 04:31 PM
ah, thanks guys. i don't have the funds yet to replace everything, but in 2 weeks i'll be sure to try it out!
1995 855 Turbo - 190k Miles
