does chevy 5.3 have tps or ped. pos sensor

2003 CHEVROLET SILVERADO
177,000 MILES
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GUNSHUFFLER0378
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autozone scanner gives code- 0220 throttle position sensor/pedal position sensor/ switc b and where is it located
Oct 7, 2011 at 6:06 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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RASMATAZ
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It has the APPS no TPS located at Driver's floor board, behind accelerator pedal
Oct 7, 2011 at 6:28 PM
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GUNSHUFFLER0378
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does this code mean i need to replace the APPS
Oct 7, 2011 at 6:42 PM
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RASMATAZ
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Could be wiring issue or the sensor itself further diagnostics needed here-
Oct 7, 2011 at 7:02 PM