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Mustangwill · 04-15-2012, 01:45 AM

What does a scan guage do exactly? Will it work on a older model car like mine?

04-15-2012, 01:45 AM	#55 (permalink)
Mustangwill 1993 Mustang LX 2.3L Join Date: Apr 2012 Location: Georgia Posts: 18 Lil Red - '98 Saturn S-Series 90 day: 31.12 mpg (US) Thanks: 4 Thanked 0 Times in 0 Posts	What does a scan guage do exactly? Will it work on a older model car like mine?