Elantra L4-1595cc 1.6L DOHC 16 Valve (1995)
3) Faulty crankshaft position (CKP) sensor, camshaft position (CMP) sensor
3. If there is any cylinder whose idle state remains unchanged when the fuel injection of injectors is cut one after another during idling, check for the
following items about such cylinder.
1) Injector and harness
2) Ignition plug and high tension cable
3) Compression pressure
If the injection system is OK but the injector drive time is out of specification, check for the following items.
1) Poor combustion in the cylinder (faulty ignition plug, ignition coil, compression pressure, etc.)
2) Loose EGR valve seating