A new issue, A P0405 code!
I have a 2004 F-150 with a 4.6l and almost 200,000 miles.
I was recently having P0401 and 402 codes posted so I cleaned the TB and Spacer, I replaced the EGR Valve and cleaned the map sensor.
And now I'm getting a P0405 low limit code.
Any Ideas??
I was recently having P0401 and 402 codes posted so I cleaned the TB and Spacer, I replaced the EGR Valve and cleaned the map sensor.
And now I'm getting a P0405 low limit code.
Any Ideas??
MAF sensor.. what did you clean it with ?
Potential causes of a P0405 code include:
Potential causes of a P0405 code include:
- Short to ground in EGR signal or Reference circuits
- Short to voltage in EGR ground or signal circuits
- Bad EGR valve
- Bad PCM wiring issues due to chafing or loose terminals
Last edited by techrep; Aug 29, 2016 at 01:40 PM.
CRC MAF Sensor cleaner...



