Yukon Shudder and Stall

Last post on Nov 22, 2008 at 1:34 PM

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What is this discussion about? GMC Yukon XL, GMC Yukon Denali, SUV

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#1 of 1 2000 Yukon Shutter and Stall by wcat1 Nov 22, 2008 (1:34 pm)
My 2000 Yukon XL starts great but after a fews seconds when the engine idles down, the vechicle begins to shake and the engine stalls. It will start right back up great and do the same thing. Tried to read the OBD codes but the code reader indicates it is not connected even after trying all combinations of sequences for connection, power on, and ignition switch on. The code reader works fine on my other vehicles. Any ideas on either the code reader issue or why the thing will not remain running after a good start. Are the issues associated? Thanks for any help you might provide.

#1 of 1: 2000 Yukon Shutter and Stall by wcat1; Nov 22, 2008 (1:34 pm)

My 2000 Yukon XL starts great but after a fews seconds when the engine idles down, the vechicle begins to shake and the engine stalls. It will start right back up great and do the same thing. Tried to read the OBD codes but the code reader indicates it is not connected even after trying all combinations of sequences for connection, power on, and ignition switch on. The code reader works fine on my other vehicles.

Any ideas on either the code reader issue or why the thing will not remain running after a good start. Are the issues associated?

Thanks for any help you might provide.