Why is my car not getting any spark?
Loss of spark is caused by anything that prevents coil voltage from jumping the electrode gap at the end of the spark plug. This includes worn, fouled or damaged spark plugs, bad plug wires or a cracked distributor cap.
Can a camshaft sensor cause no spark?
If the camshaft position sensor is malfunctioning, the computer may not be able to determine the correct time to fire the ignition coils, and there may end up being no spark.
What sensors can cause no spark?
No spark due to a bad crank position sensor, a faulty ignition module or PCM, a problem in the ignition circuit (ignition switch, antitheft system, wiring, etc.), a faulty park/neutral safety switch, a bad ignition coil (only on engines with a single coil ignition), or wet plugs or plug wires (did it rain last night.
What causes no start on a jeep 4.0L?
A no start condition, on your 4.0L Jeep, is usually caused by a lack of fuel, or a lack of spark, or a lack of air (generally engine compression). Knowing that the cause of the problem lies in these 3 specific areas will help you figure out what tests you need to perform to find the faulty component and thus solve the problem.
Why does my Jeep turn over but does not start?
Cranks but Does Not Start Condition: In this type of condition, you turn the key and the engine in your Jeep cranks (turns over) but it doesn’t start (run). The usual suspects, that can cause this type of problem, are a bad fuel pump, bad crank sensor, bad ignition coil (if your Jeep is distributor equipped), etc.
What causes a car to have no spark?
In my experience, the most common component failures, of the ignition system that cause a no start-no spark Condition are: Failed ignition coil. Bad distributor cap (if distributor equipped). Bad distributor rotor (if distributor equipped).