Discussion Starter · #1 ·
I just worked on my truck. I put NGK Iridium Sparks, Royal Purple 5W-30 Synthetic Oil with a K&N oil filter. The problem that I'm getting and didn't get before is a lite clicking noise at various times. I'm only able to hear it when it's idleing. Could it be the sparks not getting enough juice or could it be the timing chain?