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Codes on OBD?!
Could the MAP sensor going bad shut my fuel off? Is there a valve in the fuel lines between the fuel filter and the pump? I have a 2000 yukon xl2500 with 2 fuel tanks.- lewisn
- Post #2
- Forum: General Discussion
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Codes on OBD?!
P0452 - Evaporative Emission system pressure sensor switch low inpute P0108 - Manifold Absolute Pressure/BARO Sensor High Inpute What do these mean???? Thank you!! Lewis- lewisn
- Thread
- Replies: 2
- Forum: General Discussion
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2000 yukon fuel pump
Found my code reader! P0452 - Evaporative Emission system pressure sensor switch low inpute P0108 - Manifold Absolute Pressure/BARO Sensor High Inpute Found these on the OBD, any ideas? I disconnected the fuel filter and no fuel pumps out when i turn the pump on!- lewisn
- Post #5
- Forum: General Discussion
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2000 yukon fuel pump
I installed the new fuel pump with a jumper wire on the green wire to the pump so i could test the pump for 12v after I installed the tank and still no power. I disconnected the fuel line from the fuel rail and gave the pump 12v and no fuel came out. I can hear the pump running. I am going to...- lewisn
- Post #4
- Forum: General Discussion
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2000 yukon fuel pump
Well, i worked on it a bit today and am still not sure where the second relay is for the transfer pump so i tested every relay i could find and they were all good same with all fuses under the hood and dash. I was told that if the oil sensor is bad or if there is no oil pressure the computer...- lewisn
- Post #2
- Forum: General Discussion
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2000 yukon fuel pump
I have a 2000 yukon XL v8 4x4 w/ dual fuel tanks. I was driving down the highway and run out of fuel with 1/4 tank of fuel. Changed fuel filter and still wouldnt start. checked fuel pressure and was zero. I have dropped the fuel tank and pulled the feul pump. I am only getting the 5v and...- lewisn
- Thread
- Replies: 4
- Forum: General Discussion
