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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 15133
Experience:  GM Grand Master Technician 2007. 14 years experience.
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P0120, p0220, p01516 falt codes on throttle body of

Customer Question

P0120, p0220, p01516 falt codes on throttle body of Silverado 2003. Engine light on and need inspection.
JA: Has your vehicled stalled? Has anyone run a diagnostic test to pull the trouble code?
Customer: No, and yes re diagnostic. Battery Ohms out just fine.
JA: What is the model of your '03 Chevy?
Customer: It is 1500 with 2 front doors and back doors only open with front open. 5.3 L engine
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: I've 220,000 miles and only been in the shop for inspection and front end allignment. I am an engineer that likes my work.
JA: Anything else you think the mechanic should know?
Customer: The Evap solenoid failed too but that's simple.
Submitted: 1 month ago.
Category: Chevy
Expert:  Gary replied 1 month ago.

if you clear the codes which codes come back first ?

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