Besides plugs other possibilities are:
1. Low compression.
2. Vacuum leak at the intake manifold.
3. Coil or wiring at the coil.
4. Clogged injector. Do not use additives in the fuel as they have no effect.
5. Quad driver in the PCM not commanding the injector to fire.
Tuesday, June 26th, 2018 AT 5:59 AM