We recommend Torque Pro
Manufacturer Specific Definitions for P1891
|Buick||Throttle Position Sensor PWM Signal Low|
|Cadillac||Throttle Position Sensor PWM Signal Low|
|Chevrolet||Throttle Position Sensor PWM Signal Low|
|Citroen||Transmission Transfer Case Contact Plate Ground Return Open Circuit|
|Ford||Transmission Transfer Case Contact Plate Ground Return Open Circuit|
|Gm||Throttle Position Sensor PWM Signal Low|
|Honda||CVT – poor acceleration|
|Kenworth||P1891 - Pre turbine pressure sensor out of range low|
|Peterbilt||P1891 - Pre turbine pressure sensor out of range low|
|Peugeot||Transmission Transfer Case Contact Plate Ground Return Open Circuit|
Help Us Help You
Please comment below describing your issue as well as the specifics of your vehicle (make, model, year, miles, and engine), and one of our mechanics will respond as soon as possible. For an expedited response within 24 hours, we appreciate a $9.99 donation via the payment button below.
We have not gotten around to publishing a technical guide specifically for P1891 yet. To escalate the priority of this guide in our production queue, we appreciate a donation. We will publish a guide within 30 days of payment.