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*03gtmustang* · 12-19-2007, 12:00 PM

In order for your plugs to tell you if you're running rich or lean you have to make a run, then shut the engine down at the end, then you can read them. I also remember Randy saying its not very accurate with pump gas.

12-19-2007, 12:00 PM	#3 (permalink)
03gtmustang Super Moderator Join Date: Jan 2005 Location: Northern Va Posts: 3,310	In order for your plugs to tell you if you're running rich or lean you have to make a run, then shut the engine down at the end, then you can read them. I also remember Randy saying its not very accurate with pump gas. __________________ D&D Auto Detailing -Dan