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WHAT IS THIS CODE P0446 FOR A GRAND PRIX 2006

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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Molson02536
  • 3854 Answers

SOURCE: 2006 pont grand prix when car gets warm it starts

P0300 is a code for multiple misfire. Which could be created to the P0128
P0128 PCM detected that the engine has not reached the required temperature level within a specified amount of time after starting the engine. The intent of the P0128 code is to indicate a faulty thermostat.
A code P0128 may mean that one or more of the following has happened:

  • Low engine coolant level
  • Leaking or stuck open thermostat
  • Faulty cooling fan (running too much)
  • Faulty coolant temperature (ECT) sensor
  • Faulty intake air temperature (IAT) sensor
Past experience indicates that the most likely solution is to replace the thermostat. However here are some suggestions on troubleshooting and repairing a P0128 OBD-II code:
  • Verify coolant strength & level
  • Verify proper cooling fan operation (check if it's running more than it should). Replace if necessary.
  • Verify proper engine coolant temperature (ECT) sensor operation, replace if necessary.
  • Verify proper intake air temperature (IAT) sensor operation, replace if necessary.
  • If the above items check out good, replace the thermostat
Good luck and hope this helps. keep me posted, be glad to know your car is running 100% again soon.

Posted on Nov 04, 2009

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  • 254 Answers

SOURCE: 2000 PONT GRAND PRIX P0446 CODE NEW GAS CAP NO

The evap system may be located right next to the fuel tank. You'll most likely see a can, hoses, solenoids, etc.

I hope this points you in the right direction! :)

Posted on Jan 06, 2010

  • 518 Answers

SOURCE: How do you fix a P0411 code on a 2006 Pontiac

Most likely airpump check valve went bad causing electric air pump to burn out. Replace valve & air pump.

Posted on Jan 31, 2011

ZJLimited
  • 17970 Answers

SOURCE: how do you repair P0446 trouble code on a 2000

P0446 - Evaporative Emmission Control System Vent Control Circuit
Evap vent valve has only one purpose. It closes in order to seal the vent so the EVAP system can pressurize and ensure there are no leaks. Evap vent valve is usually supplied Batt. voltage with key on. The ECM's driver controls the ground, and when grounded, activates the valve (closing it). If the ECM detects a short to ground, and open,or a short to battery voltage on the control circuit, P0446 will set. Code also may refer to ECM detecting that EVAP system is unable to achieve or maintain vacuum during test.

Symptoms: There will be no obvious symptoms to driver, other than MIL illumination.

Causes: A code P0446 could mean one or more of the following has happened:
* Faulty vent valve
* Open, short or excessive resistance on Vent valve control circuit
* Blockage of vent valve
* Bad PCM

Possible Solutions: With a P0446 OBD-II trouble code, here are some things to try:
* Replace Vent valve
* Repair open, short, or resistance problem in control circuit
* Repair open, or short, or resistance problem in power circuit
* Replace PCM


Review this information, Test it and tell us news.

Posted on Feb 15, 2011

  • 3640 Answers

SOURCE: how to fix P2430 code on a 2006 Pontiac Grand Prix

P2430 Secondary Air Injection System Air Flow/Pressure Sensor Circuit,
The AIR diagnostic uses 3 phases to test the AIR system:

DTCs P0411 and P2430 run during Phase 1
DTCs P2430 and P2440 run during Phase 2
DTC P2444 runs during Phase 3
During phase 2, only the AIR pump is activated. The solenoid valve is closed, this is p2430 and p2440. -The AIR system pressure sensor is stuck. good-day !!

Posted on Jul 17, 2011

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Got code p0446 on my grand am what is it


Evaporative Emission Control System Vent Control Circuit Malfunction

the following links can assist you with problem
https://www.obd-codes.com/p0446 P0446 OBD II Trouble Code p0446 Yahoo Video Search Results

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Trying to find out p0446 on my Pontiac grand prix


Type: OBD PO446 using google

That is how you find obd codes

You can ask the question any number of ways & get
hundreds of results, on the internet

Still have to smoke the evap system, to find out if the
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Code P0446 for 1998 Mazda Millenia


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1 Answer

How do you repair P0446 trouble code on a 2000 pontiac grand prix gtp?


P0446 - Evaporative Emmission Control System Vent Control Circuit
Evap vent valve has only one purpose. It closes in order to seal the vent so the EVAP system can pressurize and ensure there are no leaks. Evap vent valve is usually supplied Batt. voltage with key on. The ECM's driver controls the ground, and when grounded, activates the valve (closing it). If the ECM detects a short to ground, and open,or a short to battery voltage on the control circuit, P0446 will set. Code also may refer to ECM detecting that EVAP system is unable to achieve or maintain vacuum during test.

Symptoms: There will be no obvious symptoms to driver, other than MIL illumination.

Causes: A code P0446 could mean one or more of the following has happened:
* Faulty vent valve
* Open, short or excessive resistance on Vent valve control circuit
* Blockage of vent valve
* Bad PCM

Possible Solutions: With a P0446 OBD-II trouble code, here are some things to try:
* Replace Vent valve
* Repair open, short, or resistance problem in control circuit
* Repair open, or short, or resistance problem in power circuit
* Replace PCM


Review this information, Test it and tell us news.

Feb 15, 2011 | 2000 Pontiac Grand Prix

1 Answer

2006 grand prix stalls and will not restart till cool. no codes good fuel pressure??


This is usually the crank position sensor going bad...the part is about $35. Most of these require the removal of the harmonic balancer to switch out this sensor...codes are not always thrown to indicate this...

Dec 16, 2010 | 2006 Pontiac Grand Prix

1 Answer

2000 PONT GRAND PRIX P0446 CODE NEW GAS CAP NO BROKEN VAC.LINES UNDER THE HOOD AND DO NOT SEE A EVAP CAN


The evap system may be located right next to the fuel tank. You'll most likely see a can, hoses, solenoids, etc.

I hope this points you in the right direction! :)

Jan 06, 2010 | 2000 Pontiac Grand Prix

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