Misfire

2000 RENAULT MEGANE
220,000 MILES • 1.4L • 4 CYL • 2WD • MANUAL
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HERMAN99
  • MEMBER
  • 1 POST
Car misfires, checked the plugs and coil plugs. what else can it be? Misfires on cylinder one according to diagnostics. also did compression test (fine).
Oct 20, 2017 at 9:01 PM
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MHPAUTOS
  • ✓Experienced Mechanic
  • 31,937 POSTS
Check for vacuum leak around that cylinder. also, another trick is to swap the injector, plug and coil to a good cylinder to see if the misfire follows these items. if the injector is suspected get them all flow tested.
Oct 21, 2017 at 10:02 AM
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