Fred Fisher
New Member
- Joined
- Sep 29, 2018
- Messages
- 4
- Reaction score
- 0
- Points
- 1
- Age
- 59
- Location
- perth
- Members Ride
- 2004 vz commodore
Hi have power check power train on dash ,first I changed plugs and reassembled run test good for about 20 kms then power train back on and engine running ruff (like its miss firing )Tested coils by pulling of one by one ( number 2 no difference to engine idle) Replaced no2 coil and new spark plug Reassembled test run no difference (F-ck) Still no 2 not firing Disassembled and swapped over no2 coil and spark plug with no4 coil and spark plug ,Reassembled, run test still no2 not firing Tested no4 and working makes engine nearly stall so coil was all good ,Back to my problem were to now ??? why is no2 not firing can any one please offer any suggestion