1999 Mercedes-benz E320 P3401 Fault Code Check
When you check 1999 Mercedes-benz E320 car engine light came on code P3401 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However Mercedes-benz manufacturer may have a different definition for the P3401 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.
On 1999 and later P3401 1999 1999 Mercedes-benz E320 engines, the instrument cluster has a built-in self-diagnostic mode that can be accessed by pressing and holding the instrument cluster SELECT/RESET button. Insert the ignition key and turn to the RUN position (but don't crank or start engine). Continue to press and hold the SELECT/RESET button (for 5 seconds) until the word TEST is displayed by the odometer. Release the SELECT/RESET button within three seconds after the word TEST is displayed to begin the self-diagnostic mode.
1999 Mercedes-benz E320 P3401 OBD-II Diagnostic Powertrain (P) Trouble Code Description1999 Mercedes-benz E320 car P3401 OBD-II Trouble Code To provide maximum fuel economy under light load driving conditions, the Engine Control Module (Reason For 1999 Mercedes-benz E320 P3401 CodeThe reason of 1999 Mercedes-benz E320 P3401 OBD-II Fault Code Check is P3401 Cylinder 1 Deactivation/Intake Valve Control Circuit/Open. |
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1999 Mercedes-benz E320 P3401 Possibble Fix Ways :
A failing oil pump can cause what's called oil starvation, which is almost always fatal to any engine. Overhead cam engines are especially at risk, because the cam and valve train are farther from the pump than they are in pushrod engines. Oil should be of a proper viscosity, which means it needs to be light enough to move quickly.
If your vehicle failed a P3401 1999 1999 Mercedes-benz E320 test and the P3401 Check Engine Light is NOT on, chances are you have a problem with the OBDII system, a burned out MIL lamp, or a faulty catalytic converter. The converter is essentially an afterburner that cleans up the exhaust after it exits the engine. The OBDII system uses P3401 a ownstream oxygen sensor to monitor the efficiency of the converter, and it should detect a drop in converter efficiency if the converter has been contaminated or is failing (ignition misfiring, leaky exhaust valves, and oil burning can all damage the converter). What you want to look P3401 1999 1999 Mercedes-benz E320: Any conditions that might cause ignition misfire, an overly rich or lean fuel condition, or loss of compression.
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What does fault code P3401 mean for 1999 Mercedes-benz E320 ?
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