The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - HELP...1986 C20 5.7....smog removed,,,Check engine light???

motornut · 08-24-2010, 11:41 AM

The pic i took while i was repairing the heater core and that valve,i use it to show why the air box don't work right,and where it would/how it would be broken,and where the ECM is .........and i too hope to be smog free

08-24-2010, 11:41 AM	#49
motornut 78K & 79C Jimmys Join Date: Nov 2009 Location: Ottawa Ont CANADA Posts: 7,901	Re: HELP...1986 C20 5.7....smog removed,,,Check engine light??? The pic i took while i was repairing the heater core and that valve,i use it to show why the air box don't work right,and where it would/how it would be broken,and where the ECM is .........and i too hope to be smog free __________________ John 1978 GMCJimmy4X4-350/203 1979 GMCJimmy4X2-305/350