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Chas Powers
Dodge Dakota
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3/29/2007
09:24:06
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 Subject: P0121 Throttle/Petal Position Sensor/Swi
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Message:
Hello,
My Check engine indicator came on yesterday with this code. P0121, Throttle/Petal Position Sensor/Switch A Circuit Range/Performance Problem. Does anyone know what I should check ?
Thanks.
2001 Dodge Dakota SLT Quad Cab, 4,7L Auto, AWD 125,000 miles. 360 AirIntakeZ
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Bob Lincoln
Dodge Dakota
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3/30/2007
07:28:58
|  RE: P0121 Throttle/Petal Position Sensor/Swi
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Message:
If it's petal, check your flower garden.
If it's pedal, check the TPS, which is on the side of the throttle body. Signal wire should be somewhere around 0.5v at closed throttle, and about 3.8v at wide-open throttle. Measure with engine off and ignition turned on.
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Sarah
Dodge Dakota
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11/27/2010
18:34:56
| RE: P0121 Throttle/Petal Position Sensor/Swi
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Message:
ok the same thing happened to me today. now i'm not a genius when it comes to cars but i like to learn how to fix things on my own. if u could please "dumb it down" a bit and explaine it to me that way i could probably get it.
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