Your Chevrolet Sprint 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 Chevrolet Sprint.
U3977 Chevrolet Sprint 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 Chevrolet Sprint DTC Meaning
Network Code - Problem is climate control system, lighting, airbags, etc.
SAE - Generic
Exhaust Gas Recirculation System Valve 1
Cruise Control System - Vehicle Accel Too High
The scent may U3977 Chevrolet Sprint signal oil or coolant leaking from their normally closed-loop systems, or it may indicate dangerous exhaust gases invading your car's interior. Car and truck exhaust contains toxic gases such U3977, so if the inside of your car U3977 DTC For Chevrolet Sprint as if you were standing behind your car, get out and get it fixed. Fight the urge to take a little nap first. So sleepy. That's the carbon monoxide talking, friends. At least open a window on your way to the shop.