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Poor fuel miliage, rough idle, no start, poor acceleration, stalling.

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โˆ™ 2005-01-22 15:56:27
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Q: What are symptoms of bad spark plugs?
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What are they symptoms of bad spark plugs?

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.


What are signs and symptoms of a bad ignition coil on 1992 Chevy astro?

No electrial spark or fire at the plugs.


What causes spark plugs to stop firing?

No spark from coil, bad plug wires, or bad plugs.


Symptoms of bad spark plugs cause 97 olds aurora to die when slowing down?

ck for vac.leak or bad iac valve


Will bad spark plugs cause an engine to burn oil?

No, but burning oil will give you bad spark plugs.


Can bad spark plugs cause your car to lose power and backfire in the intake manifold?

having bad spark plugs could effect how the spark sparks and when it sparks. new plugs is never a bad idea


What is the cause of shaking due to acceleration?

Bad spark plugs, spark plugs wires, etc.


Whats wrong with your 1990 Chevy lumina if the spark plugs are not firing?

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.


Is it bad to change spark plugs early?

No.


What are the symptoms of dirty spark plugs?

sounds liked going cut out


Symptoms of a 1998 dodge stratus bad coil pack?

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.


Do bad spark plugs have to do with charging the alternator?

Spark Plugs do not affect your alternator. As long as your engine is running then it should be charging unless your alternator is bad

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