Ignition coil most likely. I have done many dozens of them. Takes about 2 minutes to replace.
Pros: easy to replace
Owner reviews for spark plug
Manufacturers
Comparisons
Champion copper plugs are great! Why change if they are working perfectly? Copper is a better conductor than anything other than silver.
Pros: working perfectly, better conductor
I’ve just bought some HKS spark plugs for the i30N.
Pros: bought for future power
Vehicle:
Hyundai
I plan on doing the spark plugs soon just picked up NGK Iridium plugs.
Pros: NGK Iridium plugs
Vehicle:
BMW
Mileage: 61000 km
I’m happy with HKSMR45XLZ sparks.
Pros: happy with performance
Part number: MR45XLZ
I’ve fouled a set of plugins on my ‘13 800 etec using that oil injection function before storing the second year I had it. I never used that function again, and I haven’t fouled any plugs since.
Pros: no fouled plugs since
Cons: fouled plugs before
spark plugs and coils (first ride was smooth I though yeah but then manifested again) main motor mount (better revision, nothing changed, the vibration goes on)
Pros: first ride was smooth
Cons: vibration goes on
Vehicle:
Audi Q3
Mileage: 64000 km
Dont use autolite garbage, this isnt uncommon with cheap plugs. Get NGK Iridums
Cons: cheap plugs, not uncommon issues
Pulled the spark plugs and #3 has burnt away the centre electrode. Plugs aren't all that old. Plug brand is Auto lite. Any ideas on what may be the cause?
Cons: center electrode burnt away
Vehicle:
Nissan
Be glad it's not the 5.7 Hemi! Those take a special plug, and when jeep released the specs to the manufactures, they got it wrong! So if you put 16 plugs into your Hemi, it will buck and die on the highway.
Cons: buck and die
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