05 sierra will not run

Asked by May 09, 2016 at 02:10 PM about the 2005 GMC Sierra 1500

Question type: Maintenance & Repair

05 sierra will start and run normally for 1 second then dies.  no lights on and
the code reader will not connect. it also had a issue where the gauge thought
it was overheating when it was not replaced waterpump thermostat and temp
sensor.any help would be a huge help thanks

2 Answers

570

Unplug your Mass Air Flow Sensor, and see if it stays running!

570

Could also need the computer to reset! Unplug your battery for about 15sec or so and then hook them back up. Then turn your key to the position where everything comes on but not start it until about a 1minute. then try starting it up should reset computer.

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