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P0126 Diagnostic Trouble Code Discussion for January 2006

Coolant Temperature Insufficient For Stable Operation

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Trouble Ticket Help Requests for DTC P0126
Help Request Posted
2001 GMC C3500HD 6.5L Cuts out, Stall VIN: 3GDKC34F41
P0126: engine running too cold for sustained operation. this truck starts right away but during the warm up for a 30 seonds or so the truck just quits and the rpm gets lower and lower until the truck dies,it is hard to restart,if you let it sits for 10-15 minutes it will restart and run for the rest of the day,we h...
January 27, 2006