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What is mil cmd code 4 on car emission test - 1996 Ford Explorer

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Failed emission. BMW 325 Ci. MIL CMD failed. KOER fail. What does it mean?


There is a problem with the way the engine is burning fuel also the check engine light bulb is out..In otherwords when a car is inspected and put on the analyzer. It runs tests of various systems. In your case KOER means your check engine light is supposed to come on when you crank the car and go off once the car starts. Yours never came on as a check (maybe bulb out ) or intentionally disconnected. Also your care is putting out emissions above the limit.

Oct 04, 2017 | BMW Cars & Trucks

1 Answer

How to test an EGR on a 2008 Dodge Ram width 4.7 liter v8


Here's a video showing you how to replace Duncan. 2005 Dodge Dakota 4x4 V8 4 7 EGR Valve Replacement
  • When bad, vehicles can experience poor engine performance, poor idle, high NOx emissions, failed emissions test, hesitation, engine surging, or CEL/MIL illumination here's another link on testing them
How to Test an EGR Valve Simple Procedure

Dec 23, 2015 | Dodge Cars & Trucks

3 Answers

Why does check engine light blink when I accelerate?


Hi Ced ,
The malfunction indicator lamp (MIL) is located in the instrument panel cluster. The MIL will display as either SERVICE ENGINE SOON or one of the following symbols when commanded ON:
Check engine ! The MIL indicates that an emissions related fault has occurred and vehicle service is required.
The following is a list of the modes of operation for the MIL:
?€¢
The MIL illuminates when the ignition is turned ON, with the engine OFF. This is a bulb test to ensure the MIL is able to illuminate.


?€¢
The MIL turns OFF after the engine is started if a diagnostic fault is not present.


?€¢
The MIL remains illuminated after the engine is started if the control module detects a fault. A diagnostic trouble code (DTC) is stored any time the control module illuminates the MIL due to an emissions related fault. The MIL turns OFF after three consecutive ignition cycles in which a Test Passed has been reported for the diagnostic test that originally caused the MIL to illuminate.


?€¢
The MIL flashes if the control module detects a misfire condition which could damage the catalytic converter.


?€¢
When the MIL is illuminated and the engine stalls, the MIL will remain illuminated as long as the ignition is ON.


?€¢
When the MIL is not illuminated and the engine stalls, the MIL will not illuminate until the ignition is cycled OFF and then ON.

Trip

Mar 13, 2015 | 2003 Chevrolet Impala

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

Evap code p0441


Error Code: P0441
Fault Area:
Evaporative Emission (EVAP) System - Incorrect Flow Detected
Possible Cause:
Malfunction Indicator Lamp (MIL) active.
- Evaporative Emission (EVAP) Canister Purge Solenoid Valve faulty/jammed.
- Evaporative Emission (EVAP) Canister Sealing faulty.
- Pipes between Tank Breathing and Throttle Body leaky/blocked.
- Hose connection(s).
Intake leak.
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.

Feb 06, 2014 | 2003 Toyota Land Cruiser

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

2001 Ford Ranger 4 cylinder failed Emissions Test because MIL Commanded-ON failed. What do I do to repair or pass test?


so the mil is commanded on and yet you have no DTCs give an detailed account of the report for best results

Dec 07, 2012 | Dodge Stratus Cars & Trucks

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

Emission test found some trouble codes


U0121 Communication error to ABS HU/CM

Apr 06, 2009 | 2005 Mazda 6

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