P149A DTC For Nissan Nv400

Nissan Nv400 Engine Specifications:
Engine Type :Single Cylinder Engine
Cylinder Type :Opposite Piston Engine
Engine Air Intake Process :Naturally Aspirated

Your Nissan Nv400 engine control system detects a problem, the computer stores the diagnostic trouble code P149A in its memory. To figure out what is wrong with your vehicle you must first extract the P149A DTC For Nissan Nv400.

On 1999 and later P149A Nissan Nv400 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.

P149A Nissan Nv400 DTC Meaning

P Powertrain Code - Problem is related engine, transmission and emissions systems.
1 MFG - Manufacturer Specific
4 Fuel And Air Metering (Injector Circuit Malfunctions Only)
9 TP Sensor Learn Not Complete
A TFP Valve Position Switch-Drive Without Drive Ratio

If your vehicle failed a P149A Nissan Nv400 test and the P149A 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 P149A 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 P149A DTC For Nissan Nv400: Any conditions that might cause ignition misfire, an overly rich or lean fuel condition, or loss of compression.

P1499 DTC (Previous DTC Code) ( Next DTC Code ) P149B DTC
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