P078A DTC For Toyota Tundra

Toyota Tundra Engine Specifications:
Engine Type :Single Cylinder Engine
Cylinder Type :Opposite Piston Engine
Engine Air Intake Process :Turbocharged Engine

Your Toyota Tundra engine control system detects a problem, the computer stores the diagnostic trouble code P078A in its memory. To figure out what is wrong with your vehicle you must first extract the P078A DTC For Toyota Tundra.

On 1999 and later P078A Toyota Tundra 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.

P078A Toyota Tundra DTC Meaning

P Powertrain Code - Problem is related engine, transmission and emissions systems.
0 SAE - Generic
7 Ignition System Or Misfire
8 Crankshaft Position Sensor Circuit Performance
A TFP Valve Position Switch-Drive Without Drive Ratio

If your vehicle failed a P078A Toyota Tundra test and the P078A 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 P078A 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 P078A DTC For Toyota Tundra: Any conditions that might cause ignition misfire, an overly rich or lean fuel condition, or loss of compression.

P0789 DTC (Previous DTC Code) ( Next DTC Code ) P078B DTC
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The listed Toyota models will give information about P078A DTC.