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Code P0300 and MIL CMD failed - Escort Ford Cars & Trucks

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: I did an e-check on my 2001 cavalier and it fail

more often than not, it's an O2 sensor, but it's a good idea to use an OBDII scanner to verify -- I think many parts stores can do this for you (can't hurt to ask), although I don't know if there's a charge, but at most repair garages it will probably be around $80 (at least around here it is)

Posted on Mar 26, 2010

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SOURCE: I Have a 2002 chevrolet blazer,that fail,the

MIL is Malfunction Idicatro Lamp/Light...the Check Eng. light on your vehicle. Go to local Autozone to have them check the light for free and they can tell you what codes appear.

Posted on Dec 30, 2010

alicantecoli
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SOURCE: My emission test fail with the mil cmd fail code

the code reader couldnt access the software so its a dealer only job ,we do not have this probelm in europe as a sensor probe is inserted into the exhaust pipe ,Only the dealer can access the diadnosis socket here in europe and new cars have to be accessed via the internet as not even the dealers have the software ,its to stop the chinese from hacking and selling the software over the internet so the ECU has a encryption chip that changes the codes used 3 times a second just like satalite TV card

Posted on Apr 24, 2011

reaperautomo
  • 206 Answers

SOURCE: I have a 1998 Nissan Maxima GLE, I Failed the Emission Inspection (DTC) Diagnostic Trouble Codes of "P1492","P1105" What these Codes exactly? mean

A code P0300 may mean that one or more of the following has happened:

  • Faulty spark plugs or wires
  • Faulty coil (pack)
  • Faulty oxygen sensor(s)
  • Faulty fuel injector(s)
  • Burned exhaust valve
  • Faulty catalytic converter(s)
  • Stuck/blocked EGR valve / passages
  • Faulty camshaft position sensor
  • Defective compute
  • P1105MAP/BARO Pressure Switch Solenoid Valve
  • Check and clean the MAP sensor, or replace.
  • P1492EVAP Canister Purge Control/Solenoid Valve (Circuit)
  • Replacing the purge solenoid will clear code P1492 This should also clear code P0300 as well.

Posted on Oct 17, 2012

Testimonial: "Thx a lot this gave me a brighter idea. the problem is the Purge. It went bad cuz I was burning too much fuel."

  • 1207 Answers

SOURCE: I just got my emissions done and it faild due to

P0403 Exhaust Gas Recirculation Control Circuit
____________________
car transponder keys

Posted on May 04, 2013

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1 Answer

My 2010 cadillac failed emmissions with a MIL CMD fail code read = 4


I need to know the fault codes that it has stored in memory. The are in this format PXXXX, the X's being numbers, the P stands for Powertrain.

Aug 17, 2016 | 2010 Cadillac CTS

1 Answer

1997 Nissan failed MIL Cmd status.


I think he means when turning key to "ON" without starting, the MIL lamp does not light. Could just be bad bulb.

Mar 07, 2015 | 1997 Nissan Sentra

1 Answer

What does mil cmd fail mean?


MIL is your malfunction indicator lamp, (check engine light)

CMD is the computer interface port, or OBDII port indicating a malfunction communicating with your cars computer

check all the fuses, primarily any marked pcm and retest your vehicle
note: your check engine or MIL has to be on in KOEO state (key on engine off), if the bulb is burned out everything will still work and the OBDII test computer will show MIL status ON, and if you don't have a computer to tell you that, you must get that light to light in the koeo state.

Aug 25, 2014 | Saturn Ion Cars & Trucks

1 Answer

Why do I still have a Rough Idle and P0300


I have encountered this before and it was the vacuum supply line from intake to the fuel pressure regulator sucking fuel through regulator. it could also be more serious like intake gaskets

Jul 25, 2014 | 2002 Chevrolet Avalanche

1 Answer

I have a 1998 Nissan Maxima GLE, I Failed the Emission Inspection (DTC) Diagnostic Trouble Codes of "P1492","P1105" What these Codes exactly? mean


A code P0300 may mean that one or more of the following has happened:
  • Faulty spark plugs or wires
  • Faulty coil (pack)
  • Faulty oxygen sensor(s)
  • Faulty fuel injector(s)
  • Burned exhaust valve
  • Faulty catalytic converter(s)
  • Stuck/blocked EGR valve / passages
  • Faulty camshaft position sensor
  • Defective compute
  • P1105MAP/BARO Pressure Switch Solenoid Valve
  • Check and clean the MAP sensor, or replace.
  • P1492EVAP Canister Purge Control/Solenoid Valve (Circuit)
  • Replacing the purge solenoid will clear code P1492 This should also clear code P0300 as well.

Oct 16, 2012 | 1998 Nissan Maxima

1 Answer

What is P0300 in Audi A6


Diagnostic Trouble Code (DTC) P0300

Multiple Cylinder Misfire (Increase Emission)




Circuit Features


  • To detect whether the engine is misfiring, the ECM keeps a check on the crankshaft.
  • The ECM also supervises the camshaft positions for the same purpose as mentioned in the first sentence.
  • The ECM waits to pick up signals for a quick dip in crankshaft speed.
  • The system executes this test in blocks of 1000 engine revolution tests.
  • The number of tests may vary between one to many in order to store a DTC, the MIL.
  • If there is a misfire then the MIL will begin to glow , indicating that catalyst damage is likely to occur.


Jun 03, 2012 | 2004 Audi A6

1 Answer

My emission test fail with the mil cmd fail code


the code reader couldnt access the software so its a dealer only job ,we do not have this probelm in europe as a sensor probe is inserted into the exhaust pipe ,Only the dealer can access the diadnosis socket here in europe and new cars have to be accessed via the internet as not even the dealers have the software ,its to stop the chinese from hacking and selling the software over the internet so the ECU has a encryption chip that changes the codes used 3 times a second just like satalite TV card

Apr 24, 2011 | 2000 Pontiac Grand Am GT

1 Answer

I Have a 2002 chevrolet blazer,that fail,the Emission test,because,of something called,aMIL CMD,what is it.and where can.I find a cheep place to get it fixed.what is MIL CMD ON A CAR.


MIL is Malfunction Idicatro Lamp/Light...the Check Eng. light on your vehicle. Go to local Autozone to have them check the light for free and they can tell you what codes appear.

Dec 30, 2010 | 2002 Chevrolet Blazer

1 Answer

Is there any recalls on the gas tanks of the 2006 cobalts cause my tank is leaking at the top


Fuel Sys, Driveability, Filters (Air & Fuel)
2006 CHEVROLET COBALT


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Jul 12, 2010 | 2006 Chevrolet Cobalt

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