Check engine light on

Tiny
NORA ALLEN
  • MEMBER
  • 2004 SUZUKI VITARA
  • 6 CYL
  • 2WD
  • 80,000 MILES
Check engine light on showing misfire on six. Replaced all plugs check engine light still on.
Tuesday, June 26th, 2018 AT 5:43 AM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning.

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.

Roy
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Tuesday, June 26th, 2018 AT 5:59 AM

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