2001 Dodge RAM 1500 with engine code P1297

Question

2001 Dodge RAM 1500 3.9L truck will only idle correctly with the air breather removed. The engine light is on and has a P1297 code on OBDII. Any thoughts on this issue?

Regards,

Answer 1

P1297 No change in MAP from start to run.

What can cause this are 3 possible condition, The map sensor has no 5 volt reference, The MAP sensor defective, or a plugged exhaust.

Answer 2

The P1297 indicates a problem with the MAP Sensor. Replacing the MAP Sensor is necessary to repair the issue. Here is link to the code page with more information:

P1297 Dodge Code - No Change In MAP Sensor Voltage
Read more: https://www.autocodes.com/p1297_dodge.html