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I got a 2001 Denali. It seems to be leaking engine oil to the rear of the oil pan on both sides. It has residue where the oil cooler lines are at, by the drain plug, under the bell housing and around the starter. Also, I noticed there was some antifreeze on the right side axle towards the...

I got a 2001 yukon denali with a 6.0 engine. On cold mornings, it does not want to idle very well. At first, it idles up like it should but it will start to sputter and sometimes die. I have cleaned the throttlebody and the MAF sensor, new air filter and fuel filter. Any ideas?

I got a 2001 yukon denali with a 6.0 engine. On cold mornings, it does not want to idle very well. At first, it idles up like it should but it will start to sputter and sometimes die. I have cleaned the throttlebody and the MAF sensor, new air filter and fuel filter. Any ideas?

I got a 2001 yukon denali with a 6.0 engine. On cold mornings, it does not want to idle very well. At first, it idles up like it should but it will start to sputter and sometimes die. I have cleaned the throttlebody and the MAF sensor, new air filter and fuel filter. Any ideas?