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2004 Yukon SLT 5.3 P0171
It is sitting in the garage, I have a second vehicle I am driving until I fix the yukon. I will get out there this weekend and look at the hoses. I was wondering if there was a vacuum hose that went to the fuel tank that might fix both problems- 82nd Abn
- Post #8
- Forum: Engine & Drivetrain
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2004 Yukon SLT 5.3 P0171
I am getting only one code P0171 I don't have a scanner. I smell raw fuel and when the tank gets to 1/4 the code comes on, once I fill it up the code goes away. I am pretty sure the two are related and was wondering if anyone experienced this before- 82nd Abn
- Post #4
- Forum: Engine & Drivetrain
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2004 Yukon SLT 5.3 P0171
Not sure if this in the right section. Whenever my fuel tank depletes to more or less 1/4 of a tank I get a two P0171 lean bank 1 codes. I know the tank has to come out, I smell raw fuel just about all the time. What if anything could be in common between the fuel smell, low fuel in the tank and...- 82nd Abn
- Thread
- Replies: 8
- Forum: Engine & Drivetrain
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Trouble removing your heater core T fittings with rear heat?? I have a suggestion
I agree If I had to do it again I would have just clipped the part that prevents the tab from opening up as suggested in the first reply. -
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Trouble removing your heater core T fittings with rear heat?? I have a suggestion
As I am sure you are aware these things sit in lousey position. As it was I had to put a pillow on top of the coolant pressure tank to save my ribs and stomach. I tried that method for hours only to get frustrated. My middle fingers skin is still recovering from trying to pinch those pesky tabs... -
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Trouble removing your heater core T fittings with rear heat?? I have a suggestion
I did think about that however I was thinking to use a dremel tool and it would have been kind of awkward. I like your way much better. I struggled with the idea because I figured the rear hoses would have to be cut first and then removed so you could rotate the fitting to get to the tabs on the... -
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Trouble removing your heater core T fittings with rear heat?? I have a suggestion
I started this project because I had a bad thermostat. I replaced it with an AC Delco only to have the brand new one fail out of the box. I also replaced the AC belt, water pump, thermostat housing and fan clutch when I did the first thermostat. Not only di I have this one fail twice My 2002... -
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04 Yukon SLT
Thank so much!!! I will check out that thread and see about buying a tool that will work on both. I had no clue they were capable of doing such a test. I love new gadgets! -
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04 Yukon SLT
I am almost 62, over 100 years ago after getting out of the Army after nine years I went to college to become a commercial pilot however I had to sell my 74 stingray and my harley to pay for the last year. I vowed to one day replace both. I have had the harley since 2011 this coming year I will... -
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04 Yukon SLT
I may be wrong regarding the need to flush the two heater cores but my gut is sending me in that direction. The logic? when I am not at idle more heat comes out of the vents hence why i feel it is a flow problem. Yes hen I popped the lower hose to facilitate changing the water pump the fluid... -
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04 Yukon SLT
WHat scanner do you recomend? I also have an 01 WJ would it have the capability to work on both vehicles? That is one heck of a nice vehicle you built!!!!!!! -
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04 Yukon SLT
Thanks that is what I will do. I tried to update the signature and was unable to save it. I will try again. -
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04 Yukon SLT
My apologies, It is a 2004 Yukon SLT with a 5.3 liter engine with rear heat and ac. I will work on your suggestion now. -
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04 Yukon SLT
Seeking knowledge regarding HVAC system. initial symptom little or no heat. I have experienced this before with a 90 olds cutlass supreme. I noticed that the engine temp wasn't getting much higher tht 160 degrees so I replaced the following parts. Bought and A/C Delco water pump, thermostat and... -
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Hi, Warren here
I have a 2004 Yukon SLT, I found my way here after searching the net and discovering a vast amount of information on the areas I am having trouble with are well covered on this forum. Thanks for the add!!! Looking forward to learning from you all.- 82nd Abn
- Thread
- Replies: 7
- Forum: Introduction
