Missing and or poor fuel economy. If the plugs have over 75,000 miles on them, just replace them. The same symptoms will occur with defective spark plug wires.
No electrial spark or fire at the plugs.
No spark from coil, bad plug wires, or bad plugs.
ck for vac.leak or bad iac valve
No, but burning oil will give you bad spark plugs.
having bad spark plugs could effect how the spark sparks and when it sparks. new plugs is never a bad idea
you are not getting spark. this could be from a bad alternator, bad spark plugs, bad spark plug wires, or bad engine coils. The spark plugs and wires are the cheapest so try putting in new ones of those first.
Bad spark plugs, spark plugs wires, etc.
symptoms are: you can hear the engine missing, spitting and sputtering, loss of power...you can tell if it is a coil pack by unscrewing the spark plug that it connects to coil pack. when you look at your spark plug it should be a light grayish, white..this means the coil pack is working....it is best if you do this with new spark plugs, because your spark plugs could be bad. but you do this process until you find a bad plug then, that coil pack probably is the bad coil pack.
Spark Plugs do not affect your alternator. As long as your engine is running then it should be charging unless your alternator is bad
Spark plugs don't smoke. A bad alternator would cause a dead battery.
sounds liked going cut out
Yes. Bad spark plugs, bad spark plug wires and a bad distributor cap are the common causes of rough idling. If it has been a while since you changed these components, do so.
Bad engine cushions can make the engine shake. bad spark plugs cause malfunction as the car starts running.
Poor performance, hesitation and rough idle could be signs of worn out spark plugs.
Coil pick-up supplies the spark needed to fire spark plugs if going bad might exhibit the symptoms you are having
Bad spark plugs can have a variety of effects on the performance of your car's engine. Signs of bad spark plugs include a rough idle, engine hesitation, hard starting, check engine light illuminated with a DTC P0300 and reduced engine power.
Check following symptoms: Weak spark? dirty plugs? old plug wires? bad ignition coil?
If the spark plug or plugs are bad the car will not start If the car does not start, (for various reasons) the spark plugs may be fouled or damaged by this and require replacement.
as a result of bad spark plugs
they dont work