U3402 Dodge Grand Caravan DTC Code

Dodge Grand Caravan Engine Specifications:

Engine Type :	Single Cylinder Engine
Cylinder Type :	Opposite Piston Engine
Engine Air Intake Process :	Turbocharged Engine

Your Dodge Grand Caravan engine control system detects a problem, the computer stores the diagnostic trouble code U3402 in its memory. To figure out what is wrong with your vehicle you must first extract the U3402 DTC For Dodge Grand Caravan.

To solve U3402 Dodge Grand Caravan 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

U3402 Dodge Grand Caravan DTC Meaning

U	Network Code - Problem is climate control system, lighting, airbags, etc.
3	SAE - Generic
4	Fuel And Air Metering (Injector Circuit Malfunctions Only)
0	Air Conditioning (A/C) Clutch Feedback Circuit High Voltage
2	Kick-Down Switch Failed Short

If your vehicle failed a U3402 Dodge Grand Caravan test and the U3402 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 U3402 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 U3402 DTC For Dodge Grand Caravan: Any conditions that might cause ignition misfire, an overly rich or lean fuel condition, or loss of compression.