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Error codes P2122 and P2138 - TB or pedal position sensor?

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Old 08-15-2012, 10:21 AM
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Default Error codes P2122 and P2138 - TB or pedal position sensor?

2004 Nissan 350Z Touring

Getting error codes:
P2122 throttle/pedal position sensor/switch D circuit low input
P2138 throttle pedal position sensor/switch D/E voltage correlation

My Dash is lit up like a Christmas tree and I am in low power mode/limp mode.

Did some research on-line and I believe I need an Accelerator Pedal Position Sensor
http://www.partstrain.com/ShopByDepa...SSAN/350Z/2004

But i also saw somebody replaced their TB and it fixed the issue. I really want to get it right the first time. Any ideas?
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