- posted
16 years ago
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
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:
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