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Where do i find the leak detection pump on a 2005 dodge dakota

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6ya6ya
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Posted on Jan 02, 2017

ZJLimited
  • 17970 Answers

SOURCE: how do i replace the natural vacuum leak detection

Vehicles equipped with NGC engine control modules use an NVLD pump and system. Vehicles equipped with JTEC engine control modules use a leak detection pump. Refer to Leak Detection Pump (LDP) for additional information.
The Natural Vacuum Leak Detection (NVLD) system is the next generation evaporative leak detection system that will first be used on vehicles equipped with the Next Generation Controller (NGC). This new system replaces the leak detection pump as the method of evaporative system leak detection. This is to detect a leak equivalent to a 0.020 (0.5 mm) hole. This system has the capability to detect holes of this size very dependably.


Removal & Installation

  1. Raise and support vehicle.
  2. Remove left-rear tire.
  3. Remove plastic shield (4) in front of left-rear tire. Access to both the EVAP canister (1) and NVLD pump (6) is from the area in front of the removed tire.
  4. Disconnect electrical connector at NVLD pump.
  5. Remove vapor line at NVLD pump. Pry outward on tab (3) and rotate pump (6) clockwise about 70 for removal.
  6. Remove NVLD pump O-ring (5) from EVAP canister (1).
To Install:
  1. Install new NVLD pump O-ring (5) to EVAP canister (1).
  2. Position NVLD pump (6) into EVAP canister (1).
  3. Rotate pump (6) until tab aligns with notch in EVAP canister (1).
  4. Carefully install vapor/vacuum lines to NVLD pump.
    WARNING The vapor/vacuum lines and hoses must be firmly connected. Check the vapor/vacuum lines at the NVLD pump, filter and EVAP canister purge solenoid for damage or leaks. If a leak is present, a Diagnostic Trouble Code (DTC) may be set.
  5. Connect electrical connector to pump.
  6. Install plastic shield in front of left-rear tire.
  7. Install left-rear tire.

    2e35911.jpg
    Fig.


    aa300e1.jpg
    Fig.

Have a nice day (remember rated this help).


Posted on Mar 05, 2010

  • 414 Answers

SOURCE: 2005 dodge dakota 3.7 V6

This sounds like a bad valve. The misfire combined with the low compression is the clue.
We just had an Acura with the same exact symptoms.

Posted on Jul 17, 2011

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2005 dodge 1500 5.7 code po455


Here is the definition of the code.
Common causes are a defective gas cap or a damaged vent hose to the gas tank.

P0455 DODGE Description The Evaporative emissions (EVAP) system is design to prevent the escape of fuel vapors from the fuel system. Leaks in the system, ca allow vapors to escape into the atmosphere. The leak detection system tests for EVAP system leaks and blockage.


During the self-diagnostics, the Powertrain Control Module (PCM) first checks the Leak Detection Pump (LDP) for electrical and mechanical faults. If the first checks pass, the PCM then uses the LDP to seal the vent valve and pump air into the system to pressurize it. If a leak is present, the PCM will continue pumping the LDP to replace the air that leaks out. The PCM determines the size of the leak based on how fast/long it must pump the LDP as it tries to maintain pressure in the system.
Read more: http://engine-codes.com/p0455_dodge.html#ixzz261S9AcXv

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Check engine light is on, and OT sensor code is P1494 was diagnosed.


P1494 - LEAK DETECTION PUMP SWITCH OR MECHANICAL FAULT . There is a service bulletin for certain years pertaining to this problem . Some cars will fill the vacuum line going to the LDP with oil , causing this dtc to trip . In most cases you can clear this and it won't come back-also, check your gas cap, it needs to seal the system, if it is loose or leaks, it can set this code.

Jan 30, 2011 | 2001 Dodge Dakota

1 Answer

How do i replace the natural vacuum leak detection pump on a 2005 dodge dakota?


Vehicles equipped with NGC engine control modules use an NVLD pump and system. Vehicles equipped with JTEC engine control modules use a leak detection pump. Refer to Leak Detection Pump (LDP) for additional information.
The Natural Vacuum Leak Detection (NVLD) system is the next generation evaporative leak detection system that will first be used on vehicles equipped with the Next Generation Controller (NGC). This new system replaces the leak detection pump as the method of evaporative system leak detection. This is to detect a leak equivalent to a 0.020 (0.5 mm) hole. This system has the capability to detect holes of this size very dependably.


Removal & Installation
  1. Raise and support vehicle.
  2. Remove left-rear tire.
  3. Remove plastic shield (4) in front of left-rear tire. Access to both the EVAP canister (1) and NVLD pump (6) is from the area in front of the removed tire.
  4. Disconnect electrical connector at NVLD pump.
  5. Remove vapor line at NVLD pump. Pry outward on tab (3) and rotate pump (6) clockwise about 70 for removal.
  6. Remove NVLD pump O-ring (5) from EVAP canister (1).
To Install:
  1. Install new NVLD pump O-ring (5) to EVAP canister (1).
  2. Position NVLD pump (6) into EVAP canister (1).
  3. Rotate pump (6) until tab aligns with notch in EVAP canister (1).
  4. Carefully install vapor/vacuum lines to NVLD pump.
    WARNING The vapor/vacuum lines and hoses must be firmly connected. Check the vapor/vacuum lines at the NVLD pump, filter and EVAP canister purge solenoid for damage or leaks. If a leak is present, a Diagnostic Trouble Code (DTC) may be set.
  5. Connect electrical connector to pump.
  6. Install plastic shield in front of left-rear tire.
  7. Install left-rear tire.

    2e35911.jpg
    Fig.


    aa300e1.jpg
    Fig.

Have a nice day (remember rated this help).


Mar 05, 2010 | 2004 Dodge Dakota

1 Answer

2ooo dodge dakota has a check ingine light on, code p1494 can you tell me what this code is thank you


1494 Leak Detection Pump (LDP) pressure switch problem - electrical or the pump itself.

Feb 28, 2010 | 2000 Dodge Dakota Quad Cab

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What is the code P 0455 on a dodge dakota


p0455 is Evap Leak Monitor - Large leak detected!

Nov 22, 2009 | 2000 Dodge Dakota Quad Cab

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I need to know what part needed for a Po440 Code?


Most likely not a part. Make sure your vacuum supply to your leak detection pump is not disconnected. This is the cause 9 out of 10 times. If not, check for power and ground to the LDP, or the purge valve.

May 29, 2009 | 2003 Dodge Dakota Club Cab

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Dodge dakota vacume problem


You need a diagnostic box to tell you what the problem is.......if it is a evap leak,it could be anywhere,the hoses,the gas tank seal,a cracked hose.If you can go to a dealer they might have a smoke machine, they watch to see where white smoke is escaping from.Which is impossible to tell other wise. Could even have over filled the gas tank,that would give you an engine light......

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