0325 code help
Thread Starter
mcalder1622
Joined: Jul 2011
Posts: 2
Likes: 0
From: mesquite tx
0325 code help
i have a 2005 f150 fx4. im getting 11mpg at best wtf. it looses power after it runs for a while. its like im pulling 8000lbs but im not. ive changed plugs fuel filter o2 sensors. flashes code 0325. help
Senior Member
Joined: May 2009
Posts: 730
Likes: 4
From: Elmhurst, IL
if you are referring to P0325 that is a knock sensor on bank 1.
Description: The knock sensor detects vibrations upon increase and decrease in engine RPM. The
knock sensor generates a voltage based on this vibration. If the voltage goes outside a
calibrated level, a DTC is set.
Possible
Causes:
- Knock sensor circuit short to GND
- Knock sensor circuit short to voltage
- Knock sensor circuit open
- Damaged knock sensor
Diagnostic
Aids:
A knock sensor voltage greater than 0.5 volt with the key ON engine OFF indicates a
concern is present.
Description: The knock sensor detects vibrations upon increase and decrease in engine RPM. The
knock sensor generates a voltage based on this vibration. If the voltage goes outside a
calibrated level, a DTC is set.
Possible
Causes:
- Knock sensor circuit short to GND
- Knock sensor circuit short to voltage
- Knock sensor circuit open
- Damaged knock sensor
Diagnostic
Aids:
A knock sensor voltage greater than 0.5 volt with the key ON engine OFF indicates a
concern is present.