Spark Plugs too black

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bakuuu
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Joined: Sun Sep 26, 2010 10:10 pm
Location: Portugal

Spark Plugs too black

Post by bakuuu »

Hello
I put new spark plugs on my 3.9 EFI V8 engine and have one problem.

When i took off the spark plugs i saw that they are too black . It isn´t normal,right? Maybe very rich petrol mixture ?? How i can put a good petrol mixture?

thank you and sorry my english


Range Rover 3 door 3.9i V8
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