C3986 Engine Trouble Code
Meaning of C3986 engine trouble code is a kind of chassis trouble code and theoretically you can drive for a few weeks or even months with a broken MAF sensor. You will notice a decrease in gas mileage and over time the car will eventually start stalling a lot. At a shop, the replacement cost is between $240-$400 depending on the car, but that's usually the cost of parts because the labor is relatively simple.
C3986 Fault Symptoms :
If one of these reasons for C3986 code is occuring now you should check C3986 repair processes.
Now don't ask yourself; What should you do with C3986 code ?
The solution is here :
C3986 Possible Solution:
The crankshaft sensor signals the fuel injection computer or the ignition control when the cylinders are firing. This causes the ignition coil to provide a spark and the injector to inject fuel into each cylinder at the right time.If either sensor isn't working correctly, the car will run rough and the engine will be less efficient. In later car models, the car's computer can usually keep the vehicle running, but the engine warning light on the dashboard goes on to warn the driver.
C3986 Code Meaning :
|OBD-II Diagnostic Chassis (C) Trouble Code For Engine||Ignition System Or Misfire||Injector Circuit Malfunction - Cylinders||Ignition/Distributor Engine Speed Input Circuit Malfunction||Ignition Coil A Primary/Secondary Circuit Malfunction|
The poor running symptoms are consistent with a MAP sensor malfunction. In addition, in some cases, a bad MAP sensor will not throw a code. Again, the ELD code likely represents a separate wiring issue.
C3986 OBD-II Diagnostic Chassis (C) Trouble Code DescriptionC3986 engine trouble code is about Ignition Coil A Primary/Secondary Circuit Malfunction.
Main reason For C3986 CodeThe reason of C3986 OBD-II Engine Trouble Code is Injector Circuit Malfunction - Cylinders.
C3986 the main thing to check is to verify the operation of the VCT solenoid. You're looking for a sticking or stuck VCt solenoid valve caused by contamination. Refer to vehicle specific repair manual to perform component tests for the VCT unit.