The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - A/F (Air-Fuel) Gauge

'72customdeluxe · 10-07-2010, 12:58 AM

make sure of no misfires or air leaks. Misfire will show up as lean (unburned o2) and of course raw air in the exhaust is bad

10-07-2010, 12:58 AM	#6
'72customdeluxe Registered User Join Date: Jan 2008 Location: Tejas Posts: 691	Re: A/F (Air-Fuel) Gauge make sure of no misfires or air leaks. Misfire will show up as lean (unburned o2) and of course raw air in the exhaust is bad __________________ '72 cheyenne super step, '05 long bed gmc