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Engine malfunction light remains on - 2002 Ford F150 Regular Cab

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O2 sensor(s) are fouled...Try running "SeaFoam" ($9) at Advance Auto Parts and WalMart. Add to your tank as instructed and drive at least 100 miles...repeat every 15,000.
Good Luck

Posted on Jun 26, 2009

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I AM THE OWNER OF A HYUNDAI GETZ 5DR -1.1 MPI PETROL AND HAVE NOTICED 'MALFUNCTION INDICATOR' LIGHT REMAINS ON WHILE ENGINE IS ON.


Your ECM has detected a malfunction. Have the diagnostic trouble codes (DTCs) read and determine what the problem is and have it corrected. Once corrected, the light should go off once the engine is running.

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Engine light not going off Holden Astra 2001


The check engine light will remain until you have dealt with the issue that is causing the engine malfunction.

The car will need to be scanned for fault codes generated by the computer to assist in diagnosing and locating the cause of the problem.

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Engine code po456


When a diagnostic code is set the service engine light will remain on until the code is cleared. Even if the malfunction was an intermittent problem the light stays on. Try to erase the fault code with your OBD2 code scanner.

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Check engine light is on. The rmp gauge sometimes work, but sometimes it remains at zero and the car seems like its about to stall. It's a 2005 hyundai sonata.


When a 'check engine light' (MIL=Malfunction Indicator Lamp) is turned on, there is a DTC (Diagnostic Trouble Code) set/stored in the ECM/PCM (Engine Control Module/Powertrain Control Module). This code identifies which engine management system component/function experienced a malfunction. Once you pull/read this code, you may begin diagnosis.

You can Go to www.hmaservice.com and register your vehicle by VIN #.. you'll then have access to wiring diagrams, shop manuals, service bulletins, illustrations and procedures, etc.

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Hi, I have a Jaguar x-type 2.0 v6 2002, and i stalled it and quickly turned the engine back on, then the malfunction indicator lamp came on and won't go off. The car runs perfectly but this light...


Hi,
The light coming on is an indication of a malfunction in the engine management system.
The cars computer has now stored a malfunction code, turning on the light. A parts store as Auto Zone or a Jag dealer can scan the computer with a "code scanner". Many parts stores will do this for free.
The code scanner will give the reason why the light went on. This aids the mechanic of your choice in the repair.
You need to find a place to scan the computer. Although the car runs good the light is a warning that something is amiss.
Wayne

Aug 30, 2011 | 2002 Jaguar X-Type

1 Answer

What does it mean if the malfunction light on a 2001 Dodge Neon remains lite when engine is running?


Where have you been since 1980,some 32 model years?

The MIL Lamp,Check Light or any dash light
is an OBD2 (On-Board-Diagnostic) light indicating
a possible vehicle system malfunction

Check for codes --- within a couple of days
Diagnose system--soon
Repair or stop using the vehicle, if repairs can
not be made in a week or so

Jul 23, 2011 | 2001 Dodge Neon

1 Answer

O/d light blinks when driveing o/d seems to be engaged car has 198000 miles and runs very good also engine light is on


O/D light blinks, but with that the check engine light is ON.--- This will make your troubleshooting easier.When the check engine light comes on, and remains on, this indicates that there is error stored in your cars computer.---- Once the computer is scanned, you will get error codes, as per that error code it will point towards faulty part, which is causing the O/D light to blink.-------- Most probably the O/D light blinks, If a problem exists in No. 1 or No. 2 solenoids or speed sensors .
--------------- For car after 1995 it requires OBD2 tool and for car before 1995 it requires OBD1 tool.------- --------- You car will require OBD1 tool.There are very few auto parts store and repair centers who have OBD1 tool.In your case you required OBD1 tool.------ You can just contact local auto-parts store and they will guide you to the nearest store who has OBD1 tool.There you can get your car scanned.If there is error set in your cars computer, then you will receive the error code.As per error code it will point towards the faulty part causing this problem in your car.------------- -------------- The codes which you get is scanning will be mostly any of this following codes:--- DTC P0500 - Vehicle Speed Sensor Malfunction
. DTC P0750 - Shift Solenoid "A" Malfunction
. DTC P0753 - Shift Solenoid "A" Electrical Malfunction
. DTC P0755 - Shift Solenoid "B" Malfunction
. DTC P0758 - Shift Solenoid "B" Electrical Malfunction
. DTC P0770 - Shift Solenoid "E" (SL) Malfunction
. DTC P0773 - Shift Solenoid "E" (SL) Electrical Malfunction
. DTC P1520 - Stop Light Switch Signal Malfunction
. DTC P1705 - Direct Clutch Speed Sensor Circuit Malfunction
. DTC P1765 - Shift Solenoid Valve SLN Circuit Malfunction
. DTC P1780 - Park/Neutral Position Switch Malfunction
--------------- Now it all depends on what code you get, as per that you can replace the following part.------- This will help.Thanks.Helpmech.

Jul 07, 2011 | 1995 Toyota Camry

1 Answer

What does check engine electronics means on the dash board


Hi there,

The "Engine Check" means your vehicle's diagnostic computer has detected a system malfunction in one of the many electronic circuits.

If this warning light remains illuminated, then you will need to have your vehicle's Diagnostic computer read asap, at your local Mercedes Dealership (20mins - for a small fee) and have the malfunction corrected.

Cheers,


"If this has helped you in any way, please rate this solution"

Jul 02, 2010 | 1998 Mercedes-Benz E-Class

2 Answers

What does code 1-p0650 mean?


P0650 Malfunction Indicator Lamp (MIL) Control Circuit Malfunction

Malfunction Indicator Lamp (MIL) is located on the instrument panel. When the ignition switch is turned ON without engine running, MIL will light up. This is a bulb check. When the engine is started, MIL should go off. If MIL remains on, the on board diagnostic system has detected an engine system malfunction.

Possible Causes:
  • Harness or connectors (MIL circuit is open or shorted.)
  • MIL bulb may be faulty
  • May 10, 2009 | Hyundai Accent Cars & Trucks

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