Question about 2003 Mitsubishi Lancer

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Service engine soon warning is on

The car is running well. I have detected no problem so far.

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  • gilmhur Nov 29, 2008

    thank you. It was very useful.

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Have u changed the oil checked the gas cap

Posted on Nov 29, 2008

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How do I fix a p1399?


Tech notes
Adjusting the valves will usually fix this problem.
When is the code detected?
The control module monitors the crankshaft speed and has detected a misfire condition
Possible symptoms
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P1399 Honda Description
When a misfire occurs, engine speed will fluctuate. If the engine speed fluctuates enough to cause the Crankshaft Position (CKP) sensor signal to vary, the Engine Control Module (ECM) can determine that a misfire is occurring.
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P0685 CHRYSLER - Auto Shutdown Relay Control Circuit Failure

Short or open in Auto Shutdown (ASD) relay circuit
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- Engine Light ON (or Service Engine Soon Warning Light)
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- ASD relay circuit is open or shorted
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Check all the ECM fuses, if the fuses are OK try replacing the ASD relay.

P0688 CHRYSLER - Auto Shutdown Relay Control Circuit Low

The Front Control Module (FCM) has detected the supply voltage below an acceptable value
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- Oil Pressure Sensor harness is open or shorted
- Oil Pressure Sensor circuit poor electrical connection

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The P0521 is detected when the signal sent from oil pressure sensor to PCM goes out of range.
Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
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P0521 Chevrolet Description
The PCM continuously monitors the engine oil pressure. The Oil Pressure Sensor/Switch sends a signal to the PCM when the engine is running.

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I have grand cherokee 2001 limited the code p0700 is apper the gear is started scend shift espically in morinig


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Shorted or open circuit within Transmission Control Module (TCM)
- Faulty Transmission Control Module (TCM)
symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Driveability problems
- Transmission shifting problems
p0700 description
The transaxle Control Module (TCM) monitors the malfunction of sensors and actuators relating to transaxle control. When the TCM detects a malfunction with the control, a signal is send to the Engine Control Module (ECM) to trigger the Engine Light or Service Engine Soon light. The ECM stores the P0700 code and it means the TCM detected a malfunction with the transaxle controls.

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1 Answer

Service engine soon light what repairs might i need?


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Hope this helps.

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1 Answer

D0108 fault code


I will assume this is a "P" code.

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- Manifold Absolute Pressure sensor poor electrical circuit connector
- Faulty Manifold Absolute Pressure sensor
- Faulty Engine Control Module (ECM) When is the code detected?The Engine Control Module (ECM) has detected a performance fault with the anifold Absolute Pressure (MAP) sensorSymptoms- Engine Light ON (or Service Engine Soon Warning Light)
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P0316 FORD - Misfire Detected On Startup First 1000 Revolutions Symptoms - Engine Light ON (or Service Engine Soon Warning Light)
- Engine fails to start
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- Crankshaft Position (CKP) sensor circuit poor electrical connection
- Faulty Crankshaft Position (CKP)
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1 Answer

Ford 2003 escape codes readed


Cauases or fault codes are not cut and dry, but here are the possible causes of codes P0316 and P0306 which are related codes.
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- Engine fails to start
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- Faulty Crankshaft Position (CKP)
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- Lack/loss of power
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07 dodge charger fault codepo660


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The Intake Manifold Tuning Valve (IMTV) system is monitored for failure during continuous, key ON engine OFF or key ON engine running self-test. The test fails when the signal on the monitor pin is more or less than an the expected calibrated range

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