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Evap leak the mil is continually on. the dtc are p2400 and p2402. do i need to replace the evap system? is it expensive?

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Bmw diagnostic codes


I have no p2402 code under the BMW list but in the OB-11 P2 codes it refers to evaporative emission (EVAP) leak detection pump, control--circuit high===causes --wiring short to positive---EVAP leak detection pump. IF this in the area of your problem then good otherwise you may have to got o BMW service centre to get what the code refers to.

Feb 23, 2014 | Cars & Trucks

1 Answer

Code p2402


Hi there:
DTC P2402 - Evaporative Emission System Leak Detection Pump Control Circuit High


Check in THIS LINK description details and diagnostic test .


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Aug 07, 2012 | 2007 BMW 7 Series

1 Answer

P2402 on 2009 Clubman - can I fix it myself? Dealer says EVAP detection pump $900pump


That sounds pretty outrageous for a pump that looks like an aquarium aerator (see below)... (less than $80)

That would throw the ENTIRE transaction with your "dealer" in question... The DTC = "LEAK" ... How your dealer got from there to the PUMP... would be a great issue to get resolved FIRST.

Ge a second OPINION... While you are doing it... check
the prices of the units below (two engines listed... I only posted one (non-turbo)

http://www.rockauto.com/en/catalog/mini,2009,cooper,1.6l+l4+dohc,1443790,exhaust+&+emission,fuel+vapor+leak+detection+pump,12040

More Information for STANDARD MOTOR PRODUCTS Z88001

Jul 16, 2012 | Mini Cooper Clubman Cars & Trucks

1 Answer

Whats code p1441


Hi there:DTC P1441 - EVAP System Flow During Non-Purge




CIRCUIT DESCRIPTION
The evaporative system includes the following components:


The fuel tank.
The EVAP canister vent valve.
The fuel tank pressure sensor.
The fuel pipes and hoses.
The fuel cap.
The EVAP vapor lines.
The EVAP purge lines.
The evaporative emission canister.
The EVAP purge valve.


The Powertrain Control Module (PCM) supplies a ground to energize the valve (purge ON). The EVAP purge valve control is Pulse Width Modulated (PWM) or turned ON and OFF several times a second. The duty cycle (pulse width) is determined by engine operating conditions including load, throttle position, coolant temperature and ambient temperature. The duty cycle is calculated by the PCM and the output is commanded when the appropriate conditions have been met. The system checks for conditions that cause the EVAP system to purge continuously by commanding the EVAP canister vent valve ON and the EVAP purge valve OFF (EVAP canister vent valve CLOSED, EVAP purge PWM 0%). If vacuum level in the fuel tank increases during the test, a continuous purge flow condition is indicated. This can be caused by any of the following conditions:


EVAP purge valve leaking.
EVAP purge and engine vacuum lines switched at the EVAP purge valve.
EVAP purge valve control circuit grounded. If any of these conditions are present, DTC P1441 will set.


CONDITIONS FOR SETTING THE DTC


No Throttle Position (TP) sensor, ODM, IAT sensor, or MAP sensor DTCs set.
The DTC P0442 diagnostic test has passed.
A continuous open purge flow condition is detected during the diagnostic test (fuel tank pressure decreases to less than -11 in. H20).


ACTION TAKEN WHEN THE DTC SETS


The PCM will illuminate the Malfunction Indicator Lamp (MIL) during the first trip in which the diagnostic test has been run and failed.
The PCM will store conditions which were present when the DTC set as Freeze Frame and Fail Records data.


NOTE: Although these diagnostics are considered type A, they act like type B diagnostics under certain conditions. Whenever the EVAP diagnostics report that the system has passed, or if the battery has been disconnected, the diagnostic must fail during two consecutive cold start trips before setting a DTC. The initial failure is not reported to the diagnostic executive or displayed on a scan tool. A passing system always reports to the diagnostic executive immediately.


CONDITIONS FOR CLEARING THE MIL/DTC


The PCM will turn the MIL OFF during the third consecutive trip in which the diagnostic has been run and passed.

The history DTC will clear after 40 consecutive warm-up cycles have occurred without a malfunction.
The DTC can be cleared by using the scan tool Clear Info function or by disconnecting the PCM battery feed.


DIAGNOSTIC AIDS
Check for the following conditions:


Poor connection at the PCM.
Inspect harness connectors for backed out terminals, improper mating, broken locks, improperly formed or damaged terminals, and poor terminal to wire connection.


Damaged harness.
Inspect the wiring harness for damage.


If the harness appears to be OK, connect the J 41413 EVAP pressure/purge diagnostic station to the EVAP service port, pressurize the EVAP system to 10 in. H2O and observe the Fuel Tank Pressure display on the scan tool while moving connectors and wiring harnesses related to the EVAP purge valve. A sudden change in the display will indicate the location of the malfunction.
Incorrect vacuum line routing.
Verify that the source vacuum line routing to the EVAP purge valve is correct and that the EVAP purge and source vacuum lines to the EVAP purge solenoid are not switched.


Malfunctioning or damaged canister.
A malfunctioning canister may intermittently allow charcoal into the EVAP purge solenoid, vacuum switch, and associated lines causing a DTC to be set. Use the following procedure to check for a carbon release condition:


Turn OFF the ignition switch.
Remove the EVAP purge valve.
Lightly tap the EVAP purge valve and (if applicable) the vacuum switch on a clean work area looking for carbon particles exiting either of the vacuum ports.
If no carbon release is evident, reinstall the components and continue with the DTC P1441 table. If carbon is being released from either component, continue with this service procedure.
Remove the charcoal canister from the vehicle.
Ensure that the main cylinder valve is turned off on the J 41413 EVAP purge/pressure diagnostic station.
Disconnect the black hose that connects the nitrogen cylinder to the EVAP purge/pressure diagnostic station at the pressure regulator by unscrewing the knurled nut on the regulator. No tools are required to remove the black hose from the regulator.
Using a section of vacuum line, connect one end over the open threaded fitting of the EVAP purge/pressure diagnostic station pressure regulator.
Connect the remaining end to the EVAP purge valve end of the EVAP purge line at the vehicle and turn on the main nitrogen cylinder valve. Continue to blow any debris from the purge line for 15 seconds.
Return the EVAP Pressure/Purge Diagnostic Station to its original condition by re-installing the black hose that was disconnected in step 7.
Replace the following components:
The EVAP purge valve.
The EVAP canister.
Proceed with the the DTC P1441 diagnostic table.
Reviewing the Fail Records vehicle mileage since the diagnostic test last failed may help determine how often the condition that caused the DTC to set occurs. This may assist in diagnosing the condition.


TEST DESCRIPTION
Number(s) below refer to the step number(s) on the Diagnostic Table.


If an EVAP purge valve electrical malfunction is present, the purge system will not operate correctly. Repairing the electrical malfunction will very likely correct the condition that set DTC P1441.
Checks the Fuel Tank Pressure sensor at ambient pressure
Checks for a stuck open EVAP purge valve.
Verifies that the fuel tank pressure sensor accurately reacts to EVAP system pressure changes.
If the EVAP purge and engine vacuum lines are switched at the EVAP purge solenoid, the solenoid valve will leak vacuum.
The PCM will command the EVAP purge and EVAP canister vent valves closed with the scan tool Seal System EVAP output control function activated. Fuel tank pressure should not decrease under this condition.


Hope this helps.

Jun 25, 2012 | 1999 Buick Century

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

1 Answer

My caddi catera has a p0455 large eavp leak and a p0411 code


Hi there:


DTC P0455 - Evaporative Emission (EVAP) System Large Leak DetectedThe 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.

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 DESCRIPTIONFig 1Fig 2Fig 3

Numbers 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.

DTC P0411 - Secondary Air Injection System Incorrect

What I would do is on the pump (which is wright next to the battery in that area) find the 2 wire connector with a green and blk wire, if you apply 12 volts to the green wire the pump should come on the blk wire is grounded. The check valves have a high failure rate it comes right off the pump and can be bought separate. So if the pump runs put a check valve in it, if the pump doesn't run put a pump in it (not likely) This issue is not going to let the leave you sitting but you want to fix it before any emission testing. You may have some luck finding parts on line if Autozone can not.

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, have a nice day.

Mar 07, 2012 | 2001 Cadillac Catera

1 Answer

My "check engine light" and


SYMPTOM
The MIL is on, and DTC P1457 [leak detected in EVAP
control system (EVAP control canister system)] is set.
PROBABLE CAUSE
The EVAP bypass solenoid valve can fail due to
corrosion. Replace the bypass solenoid valve first. Clear DTC's and test drive.

Dec 10, 2010 | 1999 Acura TL

1 Answer

Three evap lights keep failing therefore I cannot get it inspected,,,What can be the problem?


Most likely it is a cracked or broken vacuum line in the evap system, or the evap solenoid is not working, once in a while it is the evap canister itself, but not very often. Also make sure the fuel cap is good and closed tightly and is the proper one for your vehicle. (a fuel cap that does not seal will cause an evap leak)

Check the vacuum lines and inspect them carefully.

This is a closed system and any vacuum leak that causes the evap system to loose vacuum, or not to hold a specified vacuum for a specified amount of time, will register as a data trouble code (DTC) and the malfunction indicator light (M.I.L.) (check engine light, or service engine soon light) will be turned on.

Apr 19, 2010 | 2001 Oldsmobile Alero

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