Check Engine Light

[richardsMk8]

I am trying register my 1998 Lincoln Mark 8. I plugged the scanner tool in the OBD port. I have a P0705, P0708 and P1414. How do I troubleshoot these errors?

 

[slowmkviii]

I won't be much help cause for the transmission range sensor in the mark i just swap in a spare one and for the air injection I got rid of it for headers

 

[Scallywag]

In the CD Workshop manual, P0705 & P0707 reference Note 3.

Note: 3: Go to the Workshop Manual Powertrain Group, Transmission Section to perform complete diagnosis.

1998 Mark VIII Workshop Manual

P0705​	Digital T Sensor​	Digital TR sensor malfunction​	Digital TR sensor, circuit or PCM indicates short.​	Increase in EPC pressure.​
P0707​	Digital TR Sensor, Wiring, PCM​	Digital TR sensor circuit below minimum voltage​	Digital TR sensor, circuit or PCM shorted or grounded.​	Increase in EPC pressure.​

I've attached some PDFs that might be helpful.

 

[richardsMk8]

Thank you so much, for this valuable information. Now, I have to wait for the weather to warm up, then I will get right on it.

 

[richardsMk8]

In the CD Workshop manual, P0705 & P0707 reference Note 3.

Note: 3: Go to the Workshop Manual Powertrain Group, Transmission Section to perform complete diagnosis.

1998 Mark VIII Workshop Manual

P0705​	Digital T Sensor​	Digital TR sensor malfunction​	Digital TR sensor, circuit or PCM indicates short.​	Increase in EPC pressure.​
P0707​	Digital TR Sensor, Wiring, PCM​	Digital TR sensor circuit below minimum voltage​	Digital TR sensor, circuit or PCM shorted or grounded.​	Increase in EPC pressure.​

I've attached some PDFs that might be helpful.

Thank you so much, for this valuable information.