Cranks but won't start unless I press gas pedal

Maintenance/Repairs
1

2002 GMC Envoy cranks but won’t start unless I push the gas pedal

2

Try cleaning the throttle body.

Tester

3

How do I do that???

4

I dont know much about cars…

5

Tester

6

OP should check for stored diagnostic codes also. A problematic throttle position switch or maf sensor could be involved w/this symptom as well.