Questions & Answers for: bad spark plugs prevent car

...bad oxygen sensor stop engine from starting did you check for spark at the plugs. becuase oxygen sensor wont prevent the car from starting. let me know about the spark. Check the plugs, wires and ...

...as each corner and complete left side where the semicircle cutout is? pull all of your plugs and see if they are oil fouled this would prevent a spark and you engine wouldn't start if it's bad

...spark plugs aren't new, pull one out and look to see if it is bad. If it looks pretty crummy, replace them and try again. Check to make sure the distributor and wiring harness to the spark plugs ...

...bad cap and wires, etc. do the cap and rotor first if the spark is weak. If there is a strong spark sometimes holding the gas pedal to the floor while turning over the car for no more than 10 seconds ...

...bad spark plug. Have you had it near water or rained on, if so you need to let the spark plug wires dry out and apply Di-Electric grease to the inside boot of the plug plus any ignition wires. This ...

...bad and has no power. almost like its not running off all the cylinders but each cylinder is firing fine. i replaced the spark plugs, the spark plug wires, the roter in the destributar cap, and the ...

...bad miss that prevents you from driving the car, you might have the spark plug wires crossed. If it is a minor miss, something that you feel when the car is idling, but does not affect performance, ...

and you say you checked it, but do you have spark at the plug? Also test compression as these units are bad about valves getting too little valve lash, which can hold them open preventing compression

spark, preventing the engine from starting. - **Ignition Coils**: Faulty ignition coils can result in weak or inconsistent sparks, affecting engine starting. 3. **Battery Issues**: - **Weak Battery**:

...Bad spark plugs: Worn or faulty spark plugs can also prevent the engine from starting. Check the spark plugs for any signs of wear or damage and replace them if needed. 3. Failed crankshaft position ...