U3977 DTC For Datsun 15

Datsun 15 Engine Specifications:
Engine Type :Multi-Cylinder Engine
Cylinder Type :Opposite Piston Engine
Engine Air Intake Process :Naturally Aspirated

Your Datsun 15 engine control system detects a problem, the computer stores the diagnostic trouble code U3977 in its memory. To figure out what is wrong with your vehicle you must first extract the U3977 DTC For Datsun 15.

U3977 Datsun 15 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.)

U3977 Datsun 15 DTC Meaning

U Network Code - Problem is climate control system, lighting, airbags, etc.
3 SAE - Generic
9 Transmission
7 Exhaust Gas Recirculation System Valve 1
7 Cruise Control System - Vehicle Accel Too High

If your U3977 Datsun 15 check engine light is illuminated, it's best to take it in for diagnostic testing, which can feel like a hassle. Because while the lights vary in appearance from vehicle to vehicle, all have the same basic meaning: There's a problem with the car's emissions system. The on-board diagnostics system U3977 and engine control unit are in charge of monitoring a bunch of different U3977 DTC For Datsun 15, and if they get a reading that's a little out of whack, up pops the check engine light.

U3976 DTC (Previous DTC Code) ( Next DTC Code ) U3978 DTC
You can also check other Datsun car models :
The listed Datsun models will give information about U3977 DTC.