Help us help you. By posting the year, make, model and engine near the beginning of your help request, followed by the symptoms (no start, high idle, misfire etc.) Along with any prevalent Diagnostic Trouble Codes, aka DTCs, other forum members will be able to help you get to a solution more quickly and easily!

What can my spark plugs tell me.

  • josh.c
  • josh.c's Avatar Topic Author
  • Offline
  • New Member
  • New Member
More
8 years 5 months ago #18738 by josh.c
What can my spark plugs tell me. was created by josh.c
1989 Mitsubishi Lancer LB5H41 with 1.5 litre, 4G15 I4 8v SOHC CARB engine.
4 has a failed seal also why is the ceramic on the electrode so clean. coolant?

I see oil fouling on some of the plugs too. maybe coming from jet valve seals.

engine manual
Engine manual
Attachments:

Please Log in or Create an account to join the conversation.

Time to create page: 0.208 seconds