C3987 Engine Trouble Code
Meaning of C3987 engine trouble code is a kind of chassis trouble code and when your car's 'C3987 Check Engine' light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach. The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap. But in many cases, it means at minimum that you'll be visiting the car dealer to locate the malfunction and get the light turned off.
C3987 Fault Symptoms :
If one of these reasons for C3987 code is occuring now you should check C3987 repair processes.
Now don't ask yourself; What should you do with C3987 code ?
The solution is here :
C3987 Possible Solution:
Power Steering Pressure (PSP) Switch Malfunction In Key On, Engine Off Self-Test, this DTC indicates the PSP input to the PCM is high. In Key On, Engine Running Self-Test, this DTC indicates that the PSP input did not change state. Steering wheel must be turned during Key On, Engine Running Self-Test PSP switch/shorting bar damaged SIG RTN circuit open PSP circuit open or shorted to SIGRTN PCM damaged.
C3987 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||Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical|
Is the fuel pump sometimes not priming when you turn the key to ON(II)? Start by measuring the fuel pressure and checking whether you have bright white-bluish spark at all four plugs. The mechanical timing is also something that you should check, as we mentioned above.
C3987 OBD-II Diagnostic Chassis (C) Trouble Code DescriptionC3987 engine trouble code is about Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical.
Main reason For C3987 CodeThe reason of C3987 OBD-II Engine Trouble Code is Injector Circuit Malfunction - Cylinders.
C3987 DTC specifically refers to the camshaft (cam) timing. In this case, if the cam timing is over-retarded, the engine light will be illluminated and the code will be set.