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Code 121 OBD on 3.9L

  
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Moses

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Since: Mar 15, 2006
Posts: 34



(Msg. 1) Posted: Wed May 02, 2007 10:47 pm
Post subject: Code 121 OBD on 3.9L
Archived from groups: alt>autos>dodge (more info?)
1999 1500 van shows 121 error code. Is this hard to fix or simply
replacing the throttle position switch? Where is the switch located?

 >> Stay informed about: Code 121 OBD on 3.9L 
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truckdriver

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Since: Apr 24, 2007
Posts: 49



(Msg. 2) Posted: Sat May 05, 2007 7:43 am
Post subject: Re: Code 121 OBD on 3.9L [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
On May 2, 11:47 pm, Moses wrote:
> 1999 1500 van shows 121 error code. Is this hard to fix or simply
> replacing the throttle position switch? Where is the switch located?

it is located on the end of the intake on a part called the throttle
body

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Moses

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Since: Mar 15, 2006
Posts: 34



(Msg. 3) Posted: Sat May 05, 2007 11:14 am
Post subject: Re: Code 121 OBD on 3.9L [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
Now, I am confused! The Haynes manual on Dodge vans says it's a voltage
mismatch from the MAP sensor though the obd tester manual said throttle
position switch.



truckdriver wrote:
> On May 2, 11:47 pm, Moses wrote:
>
>>1999 1500 van shows 121 error code. Is this hard to fix or simply
>>replacing the throttle position switch? Where is the switch located?
>
>
> it is located on the end of the intake on a part called the throttle
> body
>
 >> Stay informed about: Code 121 OBD on 3.9L 
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