Fuel Level Sensor Circuit P1464

[Bobtone]

I have a 2005 Nissan Frontier, king cab, V6 engine with 54,000 miles. Check Engine light is on. Nissan dealer hooked up some kind of device and said the problem could be a Fuel Level Sensor. They wouldn't let me see the code but I have determined it is probably P1464. The young service guy said they would have to drain my gas tank and dispose of my gas. They would then have to remove the gas tank to replace this sensor. Does this sound right? These service guys always ask "how many miles on the vehicle"? Are they just trying to see if I'm still under warranty or are they asking because they already know what will be going "bad" at what mileage. As you can tell, I'm not real trustworthy of dealer service depts.

[Bobtone]

Since posting this, I did disconnect the battery for about 5 min. and when I hooked it back and started the engine, the check engine light is gone. I'll have to see if it comes back tomorrow.

[Schrade]

Originally Posted by Bobtone

I have a 2005 Nissan Frontier, king cab, V6 engine with 54,000 miles. Check Engine light is on. Nissan dealer hooked up some kind of device and said the problem could be a Fuel Level Sensor. They wouldn't let me see the code but I have determined it is probably P1464. The young service guy said they would have to drain my gas tank and dispose of my gas. They would then have to remove the gas tank to replace this sensor. Does this sound right? These service guys always ask "how many miles on the vehicle"? Are they just trying to see if I'm still under warranty or are they asking because they already know what will be going "bad" at what mileage. As you can tell, I'm not real trustworthy of dealer service depts.

I gotta' raise the flag on that dealer...





If there's something that they won't let you see, I suggest NOT going back. This ain't Patriot Act horsewaste.

No, they do NOT have to drain the gas. What they have to do is unplug the harness connector to the sensor (sending unit), and see if there's proper voltage coming TO the sensor, and then, check to see if the ground will ground out a 12V (or 5V) voltage source. Tell them your garden needs no fertilizer.

Originally Posted by Bobtone

Since posting this, I did disconnect the battery for about 5 min. and when I hooked it back and started the engine, the check engine light is gone. I'll have to see if it comes back tomorrow.

You've probably only deleted it from the ECM/PCM until it goes closed loop again (warmed up), and gets the [false] reading again. When it does, get the wiring diagram and specs for the harness connector circuit, and put a multimeter to the leads in the connector.