1999 Renault Laguna firing

GARETHW78

MEMBER
1999 RENAULT LAGUNA

Engine Performance problem
1999 Renault Laguna 4 cyl Front Wheel Drive Manual

how do I find out witch cylinder is not firing

Sunday, March 7th, 2010 AT 2:30 PM

1 Reply

RASMATAZ

MECHANIC
75,992 POSTS

Get an insulated glove remove plug wires one at a time while engine is idling and ground the wire to the engine-A snapping blue spark should be present-

When you remove the wire, the RPM should drop aleast 150rpm if not that cylinder has a problem

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