P139B Daihatsu U4 DTC Code

Daihatsu U4 Engine Specifications:

Engine Type :	Multi-Cylinder Engine
Cylinder Type :	Opposed Cylinder Engine
Engine Air Intake Process :	Supercharged Engine

Your Daihatsu U4 engine control system detects a problem, the computer stores the diagnostic trouble code P139B in its memory. To figure out what is wrong with your vehicle you must first extract the P139B DTC For Daihatsu U4.

P139B Daihatsu U4 engine problem can be occur defective fan clutches are a common and often overlooked cause of engine overheating. The shear characteristics of the clutch fluid gradually deteriorates over time, with an average loss in drive efficiency of about 200 rpm per year. Eventually slippage reaches the point where effective cooling is no longer possible and overheating results. (On average, the life of a fan clutch is about the same as a water pump. If one needs to be replaced, the other usually does too.)

P139B Daihatsu U4 DTC Meaning

P	Powertrain Code - Problem is related engine, transmission and emissions systems.
1	MFG - Manufacturer Specific
3	IC Module 4X Ref Circuit Intermittent, No Pulses
9	TP Sensor Learn Not Complete
B	TFP Valve Position Switch-Drive Without Drive Ratio

When you turn on the ignition, the Service Engine Soon or Check Engine P139B Daihatsu U4 light should flash briefly, indicating that the OBD system is ready to scan your vehicle for any malfunctions. After this brief flash, the light should stay off while you drive as long as no problems are detected. If P139B DTC For Daihatsu U4 so, you'll be glad to know that your vehicle is equipped with an early warning system that could save you time, money, and fuel in addition to helping protect the P139B!