Drivingsteve Posted March 18, 2017 Share Posted March 18, 2017 Coil packs ok spark plugs ok but one of the plugs is not sparking. Any ideas Quote Link to comment Share on other sites More sharing options...
Trevor Posted March 20, 2017 Share Posted March 20, 2017 try changing the coil pack over to replicate the fault in another cylinder...that will tell you whether it is a faulty coil/plug Quote Link to comment Share on other sites More sharing options...
Drivingsteve Posted March 20, 2017 Author Share Posted March 20, 2017 Hi Trevor thanks for replying, I've done all that and they all work ok (coil packs and plugs) I've got power going into the coil pack but no spark from plug. Totally baffled. Quote Link to comment Share on other sites More sharing options...
Trevor Posted March 21, 2017 Share Posted March 21, 2017 Very strange...the only thing I can think of is if you have a defective spark plug that is not delivering a spark under cylinder pressure.....try replacing the one in the cylinder that is not firing Quote Link to comment Share on other sites More sharing options...
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