Spark plugs guide1. good. do not touch 2. too much fuel 3. not enough fuel 4. low quality fuel 5. don't forget to drive you car 6. cylinder doesn't work 7. replace the plug 8. pistons group is dead
1. good. do not touch 2. too much fuel 3. not enough fuel 4. low quality fuel 5. don't forget to drive you car 6. cylinder doesn't work 7. replace the plug 8. pistons group is dead
