No Complete Combustion

DOES NOT START; NO COMPLETE COMBUSTION

When the malfunction code is not confirmed in the diagnostic trouble code check and the problem still cannot be confirmed in the basic inspection, then proceed to this step and perform troubleshooting according to the numbered order given below.

1. Fuel Pump Control Circuit
2. Ignition coil
3. Distributor
4. Spark Plug
5. Ignition Signal Circuit (Spark Test)
6. Injector Circuit
7. Cold Start Injector Circuit