Question

2004 Ford Explore V6 with codes C1440 and P0304, My engine has a vibration when I crack my car up

Answer 1

Hi there,

The code C1440 indicates an issue with the hydraulic control unit. Here is some info for you.

C1440 FORD - Pressure Transducer Main/Primary Signal Faulted
Read more: https://www.autocodes.com/c1440_ford.html

P0304 indicates a misfire on cylinder 4. Here is a list of possible causes.

P0304 FORD - Cylinder 4 Misfire Detected
Read more: https://www.autocodes.com/p0304_ford.html