U0346 DTC For Ford Expedition

Ford Expedition Engine Specifications:
Engine Type :Single Cylinder Engine
Cylinder Type :Opposite Piston Engine
Engine Air Intake Process :Turbocharged Engine

Your Ford Expedition engine control system detects a problem, the computer stores the diagnostic trouble code U0346 in its memory. To figure out what is wrong with your vehicle you must first extract the U0346 DTC For Ford Expedition.

To solve U0346 Ford Expedition problem, you'll have to remove the muffler, crankcase and other components blocking the valve chamber. Then, remove the cylinder head bolts (label for easy re-installation) Adjust the jaws of the valve spring compressor until they touch the top and bottom of the valve chamber Push the tool in to compress the spring and tighten the jaws Remove the retainers and lift out the valves , compressors and springs

U0346 Ford Expedition DTC Meaning

U Network Code - Problem is climate control system, lighting, airbags, etc.
0 SAE - Generic
3 IC Module 4X Ref Circuit Intermittent, No Pulses
4 Control Module Throttle Actuator Position Performance
6 Transmission Control Module Reprogrammable Memory

If your vehicle failed a U0346 Ford Expedition test and the U0346 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 U0346 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 U0346 DTC For Ford Expedition: Any conditions that might cause ignition misfire, an overly rich or lean fuel condition, or loss of compression.

U0345 DTC (Previous DTC Code) ( Next DTC Code ) U0347 DTC
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The listed Ford models will give information about U0346 DTC.