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OSDCrusher · 03-11-2012, 08:05 PM

I will try replacing the thermostat and seeing what changes after the replacement. I will also check the injectors after I shut off the engine and report back. Thank you for all the great info so far. The head gasket theory is starting to make sense because the coolant is dark green and rust colored and when I caught a bit in my drain pan while changing the CTS, it looked thick, like there was oil in it. I changed the oil less than 500 miles ago and it looks and smells odd. Possibly like gas? Why would my oil smell like gas?

03-11-2012, 08:05 PM	#8
OSDCrusher Registered User Join Date: Aug 2011 Location: Massachusetts Posts: 66	Re: 1993 K1500 running rich I will try replacing the thermostat and seeing what changes after the replacement. I will also check the injectors after I shut off the engine and report back. Thank you for all the great info so far. The head gasket theory is starting to make sense because the coolant is dark green and rust colored and when I caught a bit in my drain pan while changing the CTS, it looked thick, like there was oil in it. I changed the oil less than 500 miles ago and it looks and smells odd. Possibly like gas? Why would my oil smell like gas?