how do i fix code p2074

Question

Rpm rising and lowers on its own

Answer 1

HI there

This code indicates a problem with a possible intake vacuum leak. This will also cause the engine to search for idle. Here is some more info on the code to help you out.

P2074 DODGE - Manifold Pressure/Throttle Position Correlation- High Flow/Vacuum Leak

Read more: https://www.autocodes.com/p2074_dodge.html