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Po1492 EVAP canister control valve circuit

Trying to get to the root of cause of this code

Posted by Anonymous on

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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maklean
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SOURCE: location of Charcol Canister and

The evaporative emission canister purge solenoid valve is a duty control type, which controls the flow of purge air from the evaporative emission canister.
4a6acf4.gif Inspection 1. Look for loose connections, sharp bends or damage to the fuel vapor lines. 2. Look for distortion, cracks or fuel leakage. 3. After removing the EVAP canister, inspect for cracks or damage. 0e0e1be.gif

Posted on Sep 04, 2008

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SOURCE: 1996 Toyota Previa code p0441

P0441 is Evap Emission Incorrect Purge Flow; the repair you are describing is easy, and should correct the P0441 restricition...I would anticipate no large problems.

Posted on Oct 07, 2008

savdragon
  • 37 Answers

SOURCE: Mustang GT 4.6 EVAP Canister Purge Valve Location?

You will need to remove the right front wheel & wheel well liner. The canister purge valve is behind the cover. It should have two tube going into the bottom and one on the side near the top.
You can fix it!
If this helps you out please rate me!
Brett

Posted on Mar 19, 2009

  • 104 Answers

SOURCE: I have a 2004 Avalanche, 49K mileage, code PO446,

That is an EVAP code. its a vent control code. you can manually test it by powering it up if you know where its at. i cant remember exaclty where its at off the top of my head but its only 2 wires. using a volt meter you want to make sure power is getting to it, but you cannot activate it without dealer scan tool.hmmm if you can figure out which is ground and power when you give it 12 volts it should click. meaning your vent solenoid works and you have wiring problems or its leaking.

EVAP problems are hard to finde with out scanners. you can change the vent solenoid and hope it fixes it. but a code points you to the direction of a problem. hopefull its not wiring problems. in the northern states with snow. ice can pull out wires and also get clogged in the vent solenoid and lock it up. its either wiring or bad or a leaking solenoid. check condition of wires. if they look good try a vent soleniod.

if that doesnt fix it after a engine light reset and 2 weeks or so. then goto dealer. you need to reset it after repair. light will not go off on its own.GOOD LUCK

Michael
ASE certified.
plz rate

Posted on Apr 29, 2009

matney68
  • 426 Answers

SOURCE: Looking for the evap canister vent valve on a 2006 Silverado

if you look underneath the vehicle on drivers side in the area beneath drivers you with see a plastic rectangular sort of shaped box this is evap canister and vent valve is there in this area.

Posted on Jun 20, 2009

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1 Answer

Just got a check engine light on P0443.


code p 0443 refers to evaporative emission (EVAP) canister purge valve--circuit malfunction===causes--wiring--EVAP canister purge valve--ECM
code p 0446 refers to EVAP system vent control--circuit malfunction===causes wiring---EVAP purge valve ---ECM
check the wiring and connection to the purge valve unit

Jan 31, 2016 | Cars & Trucks

1 Answer

My 06 cobalt has these codes can anyone tell me what they mean? Are they an expensive fix? p0446,p0455, p0172


code p0446 refers to evaporative emission (EVAP) system-vent control-circuit malfunction===causes --wiring--EVAP canister purge valve--ECM
code p0455 refers to EVAP system-large leak detected===causes --hose connections--intake leak--EVAP canister---EVap canister purge valve
code p0172 refers to system too rich, bank 1===causes intake blocked---EVAP canister purge valve--fuel pressure ---EGR system---injector/s ---ECM
because the EVAP purge valve appears in all codes I would be inclined to change that unit first the run the fault codes again

Jul 23, 2015 | 2006 Chevrolet Chevrolet Cobalt LT

3 Answers

WHAT DOES FAULT CODE P1446-00 MEAN


older nissan? evap canister purge fault. check for loose or rotten/disconnected vacuum hoses before testing the vapor canister purge valve.
25439609-xipalmoknr3fbjmp51kycajc-2-0.jpg The charcoal canisters also clog up. Do some diagnosing before you go changing parts.

Feb 16, 2015 | Cars & Trucks

1 Answer

Toyota echo won't start code 440 441 446


Error Code: P0440
Fault Location:
Evaporative Emission (EVAP) System - Malfunction
Possible Cause:
Malfunction Indicator Lamp (MIL) active.
Soution:
Check Evaporative Emission (EVAP) System Sealing.
Check Evaporative Emission (EVAP) Canister Purge Regulator Valve .
Check Evaporative Emission (EVAP) Canister Purge Solenoid Valve .

Error Code: P0441
Fault Location:
Evaporative Emission (EVAP) System - Incorrect Flow Detected
Possible Solutions:
Check Evaporative Emission (EVAP) Canister Purge Regulator Valve .
Perform Output Test.
Check Evaporative Emission (EVAP) Canister Purge Solenoid Valve .
Check Evaporative Emission (EVAP) Canister.
Perform Basic Setting.
Check Pipes between Tank Breathing and Throttle Body.

Error Code: P0446
Fault Location:
Evaporative Emission (EVAP) System, Vent Control - Circuit Malfunction
Possible Cause:
Wiring harness.
Evaporative emission (EVAP) canister purge valve.
Engine control module (ECM).

Feb 25, 2013 | 2002 Toyota ECHO

1 Answer

What does code p1447 mean ...???


The code says "evap purge flow monitor fault"
Possible causes include ...
- EVAP canister purge volume control solenoid valve stuck closed.
- EVAP control system pressure sensor and its circuit.
- Loose, disconnected, or improper connection of rubber tube.
- Blocked rubber tube.
- Blocked or bent rubber tube to MAP/BARO switch solenoid valve.
- Cracked EVAP canister.
- EVAP canister purge volume control solenoid valve.
- Closed Throttle Position Switch.
- Improper connection of one-way valve.
- Blocked purge port.
- EVAP canister vent control valve.


This is a "jackpot" code. It points to so many possible causes as to be almost useless.

Feb 15, 2013 | 1996 Nissan Maxima

1 Answer

Code p1448


P1448 NISSAN - EVAP Canister Vent Control Valve Open

Possible causes- EVAP control system pressure sensor and the circuit
- Blocked rubber tube to EVAP canister vent control valve
- EVAP canister vent control valve
- Water separator
- EVAP canister is saturated with waterWhen is the code detected?EVAP canister vent control valve remains open under specified driving conditions.

Jun 08, 2012 | 1998 Nissan Frontier

2 Answers

Code says evaporator purge solenoid


Which code specifically? Do not assume you need a new solenoid. Our recommendation will depend on the specific code and some troubleshooting results. I usually recommend checking over all the EVAP vacuum lines and the gas cap too whenever there is a purge valve code. Check the vacuum lines at the cannister in the left rear bumper. I will paste info on the purge solenoid below.

P0440 Evaporative emission (EVAP) system - malfunction

Possible causes: Hose connection(s), intake leak, EVAP canister purge valve


P0441 Evaporative emission (EVAP) system - incorrect flow detected

Possible causes: Hose connection(s), intake leak, EVAP canister purge valve


P0442 Evaporative emission (EVAP) system - small leak detected

Possible causes: Hose connection(s), intake leak, EVAP canister, EVAP canister purge valve


P0443 Evaporative emission (EVAP) canister purge valve - circuit malfunction

Possible causes: Wiring, EVAP canister purge valve, ECM


P0444 Evaporative emission (EVAP) canister purge valve -open circuit

Possible causes: Wiring open circuit, EVAP canister purge valve, ECM


P0445 Evaporative emission (EVAP) canister purge valve -short circuit

Possible causes: Wiring short circuit, EVAP canister purge valve, ECM


P0450 Evaporative emission (EVAP) pressure sensor - circuit malfunction

Possible causes: Wiring, EVAP pressure sensor, ECM


P0455 Evaporative emission (EVAP) system - large leak detected

Possible causes: Hose connection(s), intake leak, EVAP canister, EVAP canister purge valve


P0456 Evaporative emission system - very small leak detected

Possible causes: Mechanical fault, hose connection(s), EVAP pressure "sensor


P0457 Evaporative emission system - leak detected (fuel cap loose/off)

Possible causes: Mechanical fault, hose connection(s), EVAP pressure sensor


P0458 Evaporative emission system, purge control valve -circuit low

Possible causes: Wiring short to earth, EVAP valve


P0459 Evaporative emission system, purge control valve -circuit high
Possible causes: Wiring short to positive, EVAP valve


Evaporative Emission Purge Solenoid

Description & Operation
The duty cycle EVAP canister purge solenoid (DCP) regulates the rate of vapor flow from the EVAP canister to the intake manifold. The Powertrain Control Module (PCM) operates the solenoid.
During the cold start warm-up period and the hot start time delay, the PCM does not energize the solenoid. When de-energized, no vapors are purged. The PCM de-energizes the solenoid during open loop operation.
The engine enters closed loop operation after it reaches a specified temperature and the time delay ends. During closed loop operation, the PCM cycles (energizes and de-energizes) the solenoid 5 or 10 times per second, depending upon operating conditions. The PCM varies the vapor flow rate by changing solenoid pulse width. Pulse width is the amount of time that the solenoid is energized. The PCM adjusts solenoid pulse width based on engine operating condition.
Removal & Installation
The duty cycle evaporative (EVAP) canister purge solenoid is located in the engine compartment near the brake master cylinder.

  1. Disconnect electrical connector at solenoid.
  2. Disconnect vacuum lines at solenoid.
  3. Lift solenoid slot from mounting bracket for Removal & Installation.

To Install:
  1. Position solenoid slot to mounting bracket.
  2. Connect vacuum lines to solenoid. Be sure vacuum lines are firmly connected and not leaking or damaged. If leaking, a Diagnostic Trouble Code (DTC) may be set with certain emission packages.
  3. Connect electrical connector to solenoid.
Purge solenoid location:

jturcotte_65.gif
EVAP cannister location:
jturcotte_66.gif

Nov 05, 2010 | 2000 Jeep Grand Cherokee

1 Answer

2004 niisan infinty g35x code p2135


NISSAN OBDII DTC

P1105 Manifold Absolute Pressure/Barometric Pressure Switch Solenoid Circuit

P1110 Intake Valve Timing Control Circuit (Bank 1)

P1120 Secondary Throttle Position Sensor Circuit

P1125 Tandem Throttle Position Sensor Circuit

P1132 Intake Valve Timing Control Position Sensor (Bank 1)

P1135 Intake Valve Timing Control Circuit (Bank 2)

P1137 Intake Valve Timing Control Position Sensor (Bank 2)

P1140 Intake Valve Timing Control Position Sensor (Bank 1)

P1145 Intake Valve Timing Control Position Sensor (Bank 2)

P1148 Closed Loop Fault Detected (Bank 1)

P1168 Closed Loop Fault Detected (Bank 2)

P1210 Traction Control System Signal Fault

P1220 Fuel Pump Control Module Fault

P1320 Ignition Control Signal Fault

P1335 Crankshaft Position Sensor Circuit

P1336 Crankshaft Position Sensor circuit

P1400 EGR/EVAP Control Solenoid Circuit

P1401 EGR Temperature Sensor Circuit

P1402 EGR System Fault Detected

P1440 EVAP Canister System Leak Detected

P1441 EVAP Vacuum Cut Valve Bypass Valve Circuit

P1443 EVAP Canister Control Vacuum Switch Circuit

P1444 EVAP Canister Purge Volume Control Valve Circuit

P1445 EVAP Purge Volume Control Valve

P1446 EVAP Canister Vent Valve Circuit

P1447 EVAP Canister Purge Flow/Volume Control Valve Circuit

P1448 EVAP Vent Control Valve Circuit

P1490 EVAP Vent Control Valve/Bypass Valve Circuit

P1491 EVAP Vacuum Cut Valve/Bypass Valve Circuit

P1492 EVAP Canister Purge Control Valve/Solenoid Valve

P1605 Transmission Control Module A/T Diagnosis Communication Line Fault

P1705 Throttle Position Switch Circuit

P1706 Park Neutral Position Switch Circuit

P1760 Overrun Clutch Solenoid Valve Circuit
P1900 Cooling Fan Control Circuit
sorry but your code reader is not reading manufacturers codes ,if an american market vehicle then you should be able to read them but if this is a europeon model then how did you manage to get this code??

P0235....Turbo/Super Charger Boost Sensor 'A' Circuit

this is a generic code if its any help

Nov 02, 2010 | 2004 Infiniti G35 Sport Coupe

2 Answers

P 2138 code with service engine soon light on?


Accelerator Pedal Position Error.

P2138 - Accelerator Pedal Position Sensor Circuit Range / Performance Problem

Clear the code - if it recurs, change the sensor.


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Sep 15, 2010 | 2006 Nissan Altima

1 Answer

I had an emission test done on my 98 bonneville and it failed because code P0440 evap control system what should i do ?


Here's list why your car is coming up with this code. It could be any of these things causing it.
DTC detecting condition:
  • EVAP control system has a leak.
  • EVAP control system does not operate properly.
Possible cause:
  • Incorrect fuel tank vacuum relief valve
  • Incorrect fuel filler cap used
  • Fuel filler cap remains open or fails to close.
  • Foreign matter caught in fuel filler cap.
  • Leak is in line between intake manifold and EVAP canister purge volume control solenoid valve.
  • Foreign matter caught in EVAP canister vent control valve.
  • EVAP canister or fuel tank leaks
  • EVAP purge line (pipe and rubber tube) leaks
  • EVAP purge line rubber tube bent
  • Blocked or bent rubber tube to EVAP control system pressure sensor
  • Loose or disconnected rubber tube
  • EVAP canister vent control valve and the circuit
  • EVAP canister purge volume control solenoid valve
  • EVAP canister purge volume control solenoid valve and the circuit
  • Absolute pressure sensor
  • Fuel tank temperature sensor
  • O-ring of EVAP canister vent control valve is missing or damaged
  • Water separator
  • EVAP canister is saturated with water
  • EVAP control system pressure sensor
  • Refueling control valve
  • ORVR system leaks
  • Fuel level sensor and the circuit

Apr 01, 2010 | 1998 Pontiac Bonneville

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