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P0464 - Santa Fe Hyundai Cars & Trucks

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P0464 - Fuel Level Sensor Circuit Intermittent
An intermittent low voltage is sent from the sensor is sent to ECM.

The fuel level sensor is mounted in the fuel level sensor unit. The sensor detects a fuel level in the fuel tank and transmits a signal to the ECM or PCM.

It consists of two parts, one is mechanical float and the other side is variable resistor. Fuel level sensor output voltage changes depending on the movement of the fuel mechanical float.

Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)

Possible causes
- Fuel level sersor circuit harness or connectors is open or shorted
- Fuel level sensor may be faulty
Possible solution
Replaced fuel level sensor.


Check it and keep us news.

Posted on May 18, 2011

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Posted on Jan 02, 2017

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2000 Cadillac Deville DTS 4.6L HO Northstar


Well, I don't think so. The pressure sensor will throw its own code (0450, 0451, 0452, 0453, or 0454). And likewise, the fuel level sender or sensor could also throw its own codes (P0460-P0464).

I'm not sure the level sensor and the pressure sensor are linked together. They are separate on a 2005 buick century, the pressure sensor being at the top of the tank located on the fuel pump module, but Cadillac: anything is possible.

Since you replaced the purge solenoid, there may be a problem in the circuit. The purge should have battery voltage to it with the key on. The ECM will ground the circuit internally when the purge is wanted. One symptom of a purge valve that isn't working or stuck closed can be a whooshing sound when the fuel tank cap is opened, indicating excessive pressure in the tank.
A shop's scan tool could be used to command the purge valve on to check it.

Sep 09, 2014 | 2000 Cadillac DeVille DTS

1 Answer

Suzuki virara v6 ex sender earth wire


we, usa only have Grand vitara's in 05.???
our car if you scan it will show intermittant sender DTC errors.
P0464

the fsm BOOK cover these tests.
you unplug the connector, shown.
you attach and DMM , set to ohms.
about 2 to 150 ohms is range. low is full, 150 empty.
on mine, 32 ohms is 1/2 full. but as always, RTM
read the manual. the FSM.
or at alldata.com

the book shows what resistance for the sender equals 1/2 full
easy huh, a $10 meter and bam, the answer , no guessing
and draining a tank of fuel and wasted 5hrs labor +

pull the connector to sender
turn on key , guage must go to empty.
if not the wiring or gauge (rare) are bad.
if yes, the sender is hosed. (or jammed)


https://suzukipitstopplus.com/Products/1145-2004-vitara-service-manual.aspx

Jul 04, 2014 | 2005 Suzuki Vitara

1 Answer

2009 hyundai santa fe what does the code p0464 mean?


Hello,P0464 means Fuel Level Sensor "A" Circuit Intermittent .
Diagnostic Trouble Code Table hope can help you.

May 19, 2014 | 2008 Hyundai Accent

1 Answer

My 2001 Nissan sentra 2.0 check light that the code is p0464 which is fuel level sensor which I had replaced already. Not sure why it keep returning?


Well code 464 means the fuel sending unit is not sending a signal to the computer from time to time. It is not a constant problem.
My guess would be there is a problem with the wiring between the tank and the computer.

Dec 13, 2012 | 2001 Nissan Sentra

1 Answer

Changing the fuel sensor code P0464


As far as I know ,for the last 65 years, the fuel level
gauge & now fuel sensor is in the fuel tank

Have to drop the tank to get at the fuel pump,
gauge level sensors or some evap solenoids
& switches

Sep 05, 2012 | 2005 Pontiac Grand Prix

1 Answer

EVAP Emission Control System Leak (large)


Hi there:

DTC P0455 - Evaporative Emission (EVAP) System Large Leak Detected


When you start your truck. The computer sends a signal to the fuel tank vent valve to close off the fuel tank vapor system... Now, when the vent solenoid is commanded closed, the computer believes that the vapor system is now completely sealed up. The computer now looks at the fuel tank pressure sensor and measures the pressure inside of the tank.



Once the reading is taken, the computer will command the "purge solenoid" to open and pull a vacuum on the fuel tank.



If the computer does not see the pressure sensor reading change, it then assumes that the fuel cap was left off because it sees a fuel vapor leak.



The system will then retest itself after a period of time and if the same results are found, the assumption is that the customer would have already checked/replaced the missing fuel cap and there must be a bigger problem.



CONDITIONS FOR RUNNING THE DTC

Before the powertrain control module (PCM) can report DTC P0455 failed, DTC P0496 must run and pass.


DTCs P0106, P0107, P0108, P0112, P0113, P0116, P0117, P0118, P0120, P0121, P0122, P0123, P0125, P0131, P0132, P0133, P0134, P0135, P0136, P0137, P0138, P0140, P0141, P0151, P0152, P0153, P0154, P0155, P0156, P0157, P0158, P0160, P0161, P0220, P0442, P0443, P0449, P0451, P0452, P0453, P0454, P0464, P0496, P0502, P0503, P1111, P1112, P1114, P1115, P1121, P1122, P1125, P2135 are not set.


The engine is running.
The ignition voltage is between 10-18 volts .
The barometric pressure (BARO) is more than 75 kPa .
The fuel level is between 15-85 percent .
The engine coolant temperature (ECT) is between 4-65 degrees C (39-149 degrees F) .
The intake air temperature (IAT) is between 4-75 degrees C (39-167 degrees F) .
The start-up ECT and IAT are within 9 degrees C (16 degrees F) of each other.
DTC P0455 runs once per cold start.


CONDITIONS FOR SETTING THE DTC
The EVAP system is not able to achieve or maintain vacuum during the diagnostic test.


DIAGNOSTIC AIDS
To help locate intermittent leaks, use the J 41413-200 Evaporative Emission System Tester (EEST) to introduce smoke into the EVAP system. Move all EVAP components while observing smoke with the J 41413-SPT High Intensity White Light. Introducing smoke in 15-second intervals will allow less pressure into the EVAP system. When the system is less pressurized, the smoke will sometimes escape in a more condensed manner.


A temporary blockage in the EVAP canister purge solenoid valve, purge pipe, or EVAP canister could cause an intermittent condition. Inspect and repair any restriction in the EVAP system.


To improve the visibility of the smoke exiting the EVAP system, observe the suspected leak area from different angles with the J 41413-SPT.


Reviewing the Failure Records vehicle mileage since the diagnostic test last failed may help determine how often the condition that caused the DTC to be set occurs. This may assist in diagnosing the condition.


For intermittent conditions, refer to Testing for Intermittent Conditions and Poor Connections.


Hope this helps; also keep in mind that your feedback is important and I'll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using Fixya, and have a nice day.

Jul 06, 2012 | 2006 Mazda 5

1 Answer

Po455 code coming up on my scanner


Hi there:DTC P0455 - Evaporative Emission (EVAP) System Large Leak Detected

The control module tests the evaporative emission (EVAP) system for a large leak. The control module monitors the fuel tank pressure (FTP) sensor signal to determine the EVAP system vacuum level. When the conditions for running are met, the control module commands the EVAP canister purge solenoid valve open and the EVAP canister vent solenoid valve closed. This allows engine vacuum to enter the EVAP system. At a calibrated time, or vacuum level, the control module commands the EVAP canister purge solenoid valve closed, sealing the system, and monitors the FTP sensor input in order to determine the EVAP system vacuum level. If the system is unable to achieve the calibrated vacuum level, or the vacuum level decreases too rapidly, this DTC sets.
The table illustrates the relationship between the ON and OFF states, and the Open or Closed states of the EVAP canister purge and vent solenoid valves.

This diagnostic procedure supports the following DTC:

CONDITIONS FOR RUNNING THE DTCBefore the powertrain control module (PCM) can report DTC P0455 failed, DTC P0496 must run and pass.DTCs P0106, P0107, P0108, P0112, P0113, P0116, P0117, P0118, P0120, P0121, P0122, P0123, P0125, P0131, P0132, P0133, P0134, P0135, P0136, P0137, P0138, P0140, P0141, P0151, P0152, P0153, P0154, P0155, P0156, P0157, P0158, P0160, P0161, P0220, P0442, P0443, P0449, P0451, P0452, P0453, P0454, P0464, P0496, P0502, P0503, P1111, P1112, P1114, P1115, P1121, P1122, P1125, P2135 are not set.The engine is running.The ignition voltage is between 10-18 volts .The barometric pressure (BARO) is more than 75 kPa .The fuel level is between 15-85 percent .The engine coolant temperature (ECT) is between 4-65 degrees C (39-149 degrees F) .The intake air temperature (IAT) is between 4-75 degrees C (39-167 degrees F) .The start-up ECT and IAT are within 9 degrees C (16 degrees F) of each other.DTC P0455 runs once per cold start.

CONDITIONS FOR SETTING THE DTC The EVAP system is not able to achieve or maintain vacuum during the diagnostic test.

ACTION TAKEN WHEN THE DTC SETSThe control module illuminates the malfunction indicator lamp (MIL) on the second consecutive ignition cycle that the diagnostic runs and fails.The control module records the operating conditions at the time the diagnostic fails. The first time the diagnostic fails, the control module stores this information in the Failure Records. If the diagnostic reports a failure on the second consecutive ignition cycle, the control module records the operating conditions at the time of the failure. The control module writes the operating conditions to the Freeze Frame and updates the Failure Records.

CONDITIONS FOR CLEARING THE MIL/DTCThe control module turns OFF the malfunction indicator lamp (MIL) after 3 consecutive ignition cycles that the diagnostic runs and does not fail.A current DTC, Last Test Failed, clears when the diagnostic runs and passes.
A history DTC clears after 40 consecutive warm-up cycles, if no failures are reported by this or any other emission related diagnostic.Clear the MIL and the DTC with a scan tool.

DIAGNOSTIC AIDSTo help locate intermittent leaks, use the J 41413-200 Evaporative Emission System Tester (EEST) to introduce smoke into the EVAP system. Move all EVAP components while observing smoke with the J 41413-SPT High Intensity White Light. Introducing smoke in 15-second intervals will allow less pressure into the EVAP system. When the system is less pressurized, the smoke will sometimes escape in a more condensed manner.
A temporary blockage in the EVAP canister purge solenoid valve, purge pipe, or EVAP canister could cause an intermittent condition. Inspect and repair any restriction in the EVAP system.
To improve the visibility of the smoke exiting the EVAP system, observe the suspected leak area from different angles with the J 41413-SPT.Reviewing the Failure Records vehicle mileage since the diagnostic test last failed may help determine how often the condition that caused the DTC to be set occurs. This may assist in diagnosing the condition.For intermittent conditions, refer to Testing for Intermittent Conditions and Poor Connections. See: Diagrams\Diagnostic Aids

TEST DESCRIPTIONNumbers below refer to the step numbers on the diagnostic table.
Introducing smoke in 15-second intervals may allow smaller leak areas to be more noticeable. When the system is less pressurized, the smoke will sometimes escape in a more condensed manner.This step verifies proper operation of the FTP sensor.A normal operating FTP sensor should increase above 5 inches of H2O and stop between 6-7 inches of H2O.
Fig: 01Fig. 02Fig. 03

Hope this helps.

Mar 30, 2012 | Chevrolet Silverado 1500 Cars & Trucks

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