1996 Renault Laguna Running on 3 cylinders

1996 RENAULT LAGUNA
120,000 MILES • 4 CYL • FWD • MANUAL
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APPRENTICE1989
  • MEMBER
  • 1 POST
I have tried changin plugs, leads coil packs yet it is still running on 3 cylinders it has never varied it has always been number 2 cylinder but seems to run on all four over 2500 rpm any ideas?
Jan 25, 2009 at 11:28 PM
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DAVE H
  • ✓Experienced Mechanic
  • 13,384 POSTS
check the injector feed pulse from PCM .. if you think it is a firing fault check/clean CKP (crankshaft position sensor)
Jan 27, 2009 at 10:02 AM
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