Question about Dodge Dakota

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Engine light is illuminated. Is there a way I can do a self test to get the code without renting a code machine?

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  • lori_pearson Sep 12, 2009

    Autozone always charges to rent the tool, $150 out of account then they reimburse, I was hoping not to have to go through that process if I don't have to.



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Most of the auto parts chains will check it for you for free. The ones I know for sure are Auto Zone, Advance Auto Parts and O Reileys.

Posted on Sep 12, 2009


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Hi my check engine light has come on, had it fixed and its on again code 00036 & 00037 is on any idea wat it is
What was the problem the first Time ?
OBD II Information for Your Customer
Use the following "script" as a handout to explain the realities of OBD II diagnostics to your customers
Your vehicle is equipped with a sophisticated On-Board Diagnostic (OBD) system. This is what has turned on your Check Engine light, or MIL (Malfunction Indicator Lamp). We are well-equipped and trained, so that in most cases, we will be able to diagnose and repair problems quickly and accurately. However, there may be more than one problem present, even though only one "code" appears in your computer. The OBD system performs a series of "self-tests" to determine whether all systems are working as designed. Once a failure occurs, many of these tests are temporarily turned off. This means that once we fix the problem that caused the original code to set, we may discover other problems that could not be detected until the first problem was solved. This is especially likely if you have been driving with the Check Engine light (MIL) on for more than a few days. Some of the self-tests require certain specific conditions to occur before they can be run. Some, for example, may require that the engine not be started for at
least eight hours since the last trip, and that when it is started, the outside temperature must be warmer than 15°F. Others require that the fuel tank be between one-half and three-quarters full. Most require that the vehicle be driven for several minutes at a steady speed of more than 50 mph. There are many other requirements for each self-test, and all must be met before those tests can be run. Additionally, some tests must be run more than once before they will register a failure. It would not be practical for us to have to keep your car and drive it so extensively. That's why we must rely on you to do your part. Each of the OBD self-tests will run eventually during normal driving. You will need to bring your vehicle back for further repairs if the MIL illuminates. When you pick your car up after it has been repaired, you will be given a form that lists the specific codes present in your computer at this time. That way, you can have confidence that any future problems are not related to the same cause.

Aug 07, 2015 | 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.


Mar 13, 2015 | 2003 Chevrolet Impala

1 Answer

Where is the obd2 connector location on holden ra rodeo v6

Connect white (test lead) and black (ground lead) wires that are branched from harness approximately eight inches from ECM. After leads are grounded, the "Check Engine" light will flash the diagnostic trouble codes. The DTC's are indicated by the flashing CEL.
If only one diagnostic trouble code is stored, the DTC will repeat continuously until test leads are disconnected. If more than one diagnostic trouble code is stored, each DTC will repeat three times, starting with the lowest, then proceed to the next DTC. After all DTC's have been displayed, the pattern will repeat.I-MARK 84-85
Connect male and female test leads taped into wire harness near ECM. After leads are connected, the "Check Engine" lamp will flash the trouble codes. The DTC's are indicated by the flashing CEL.
If only one diagnostic trouble code is stored, the DTC will repeat continuously until test leads are disconnected. If more than one diagnostic trouble code is stored, each DTC will repeat three times, starting with the lowest, then proceed to the next DTC. After all DTC's have been displayed, the pattern will repeat.
86-87 Impulse located near the ECM connector, is used to actuate the Engine Control Module (ECM) trouble code memory within the module. Two terminals (A and C) of this connector are used to activate the diagnostic trouble code system in the ECM. With the ignition switch turned On, engine Off, connect a jumper wire between terminals A and C. The "Check Engine" lamp will begin by flashing a DTC 12. DTC 12 = flash, pause, flash, flash. There will be a longer pause and a code 12 will repeat two more times. This code indicates the self-diagnostic system is operating. The cycle will then repeat until the engine is started or the ignition is switched Off. In most cases, DTC's will be checked with the engine running since no DTC's other than DTC 12 or 51 will be present without the engine running. Remove jumper wire from ALDL connector before starting engine. Reconnect jumper wire after engine is running.

Throttle Body Fuel Injection

The ECM test connection is located under the center console.
A built-in, self diagnostic system will identify problems in the throttle body fuel injection system. When a problem is detected, the diagnostic system will illuminate the "Check Engine" light.
When the engine is started, the Check Engine light should turn off.. If the light remains lit, the self diagnostic has detected a problem. To determine where the problem exists, ground the "Test" terminal of the connector with the ignition On, engine Off and watch the check engine light. Each DTC will flash three times (lowest to highest).

Aug 21, 2014 | Holden Rodeo Cars & Trucks

1 Answer

I have a 2001 mustang bullitt that is showing service engine light on. Took it to mechanic and he put 2 different machines on it to show code for problem. No codes coming up and he can't turn off the...

There is a diagnostic procedure in the factory service repair manual for engine light lit ,no codes . Did you take it to ford dealer ? MIL - is referring to check engine , service engine soon etc...
  • MIL always on when engine is running (no DTCs):
  • MIL circuits
  • For Focus, Mustang, Town Car, Continental, LS6/LS8, Escape, Windstar, F-150, Expedition and Navigator/Blackwood:
  • Instrument Cluster, Section 413-01 of the Workshop Manual.
  • All Others:
  • GO to NB1

SERVICE ENGINE SOON indicator After the engine is started, the SERVICE ENGINE SOON indicator will prove out for a duration of three seconds. If the instrument cluster does not receive a message from the PCM within five seconds, the instrument cluster will illuminate the SERVICE ENGINE SOON indicator and log a diagnostic trouble code (DTC).

  • An indicator is inoperative/always on - SERVICE ENGINE SOON
  • Circuitry.
  • Bulb.
  • Instrument cluster.
  • PCM.
  • GO to Pinpoint Test P .

  • Did the SERVICE ENGINE SOON indicator illuminate?
Yes REFER to Powertrain Control/Emissions Diagnosis (PC/ED) manual.

No INSTALL a new instrument cluster; REFER to Instrument Cluster . CLEAR the DTCs. REPEAT the self-test.

Jul 18, 2017 | 2001 Ford Mustang

1 Answer

My volvo s80 check eng, light is on and the code is p0011 and (cam shaft postion sensor) the the abs and all other lights keep going on and off every time i start the car i need some help please help

Hi there,

Firstly, when starting the car, ALL warning lights should illuminate briefly - this is a self test to ensure these systems are working ok. When the Engine Check light remains illuminated, then a fault has been detected.

Code P0011 can be triggered by the following issues: Improper camshaft timing, wiring problems, continuous oil flow to the VCT piston chamber, faulty timing valve solenoid.

Due to the possible causes above, only an authorised Volvo service agent will have the correct scanning/diagnostic tool to identify where the problem lies.

I recommend you have the service agent carry out a further diagnostic...


Aug 28, 2011 | 1999 Volvo S80

1 Answer

Check engine light on

when the check engine light is illuminated in your vehicle, it means that the on board self diagnostic system has detected a fault either in the engine, transmission, or accessory controls. when this light is illuminated, it means that there is a code stored in the vehicle memory which can be extracted with a code reader. any garage should be able to do this for you. good luck!

Aug 29, 2010 | 2006 Dodge Charger

2 Answers

1999 Mystique keeps missing (chugging) at higher

You should be illuminating the check engine light. If so, rent a scanner, read the codes and pursue to repairs. You should replace the fuel filter and check the air cleaner. The fuel pump may be on it's last legs--check fuel pressure at the fuel rail over the injectors (a tire-valve looking test port). The pressure should be ~45 to 55 PSI with the engine running.

Aug 25, 2009 | 1999 Mercury Mystique

2 Answers

Getting codes for mazda

the test connector is under the hood on the drivers side..
  1. Warm engine to operating temperature and turn ignition "OFF."
  2. Ground the test connector (1 pin wire) with a jumper wire. NOTE: Test connector is located next to the check connector in the engine compartment near the left side strut tower.
  3. Turn the ignition switch to the ON position.
  4. If MIL illuminates, goes off, and stays off no codes are present.
  5. If MIL illuminates, goes off, and then starts flashing, codes are present.
  6. Count the flashes to determine the fault code.

May 11, 2009 | 1993 Mazda MX-6

1 Answer

2003 Ponitac Aztec service engine soon light

The PCM is probably storing a B, C, or U code that your code reader doesn't read. Or, it's storing an enhanced P code. If the light goes on, trust me, there's a code stored. You need a professional level scan tool

Nov 09, 2017 | 2002 Pontiac Aztek

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