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I got misfire cly 3 all new wires plugs coils.

Tiny
ANONYMOUS
  • MEMBER
  • 2003 VOLVO S40
  • 100,000 MILES
I got misfire cly 3 all new wires plugs coils move wire from 3 to 2 drive come back cil 4 misfire change back drive come back cly 1 misfire intermittant misfire all the time driving me nuts
Tuesday, December 11th, 2012 AT 3:41 PM

2 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check fuel pressure first if low will cause this. Also check compression 43.5psi while idling
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Tuesday, December 11th, 2012 AT 5:28 PM
Tiny
JIS001
  • MECHANIC
  • 3,408 POSTS
Also what type of plugs did you use? This Volvos for some reason dont like spark plugs other then Volvo plugs. If you have something else, install the Volvo plugs. If you have everything Volvo the coil connector harness is probably bad. There is a capacitor in that harness that goes bad. You can replace the wire harness. Volvo has it for under $100 bucks I believe. Try it out and let us know how it goes. Good luck to you.
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Thursday, December 20th, 2012 AT 4:40 AM

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