When you say "nothing happened", or "and nothing", that does not say anything. It implies everything is dead as if the battery was disconnected.
I have two suggestions. We never just start throwing parts at a problem because that adds more variables to the problem, and it's the most expensive and least effective way to diagnose a problem. It is different if you already have those parts in your tool box, but not if you have to go and buy them.
The first thing to do is check the voltages at the camshaft position sensor, but you have to do that with it still connected to be valid. You can back-probe through the rubber weather-pack seals with your meter probe or with a stretched-out paper clip for a probe. With the ignition switch on, you must find 5.0 volts on one terminal, and 0.2 volts on the ground terminal. If you have those, since you're fortunate to have a scanner, look under the "live data" menu to view the sensor signals. The Chrysler DRB3 scanner will list the cam sensor as "present" or "no" during cranking to tell whether that signal is showing up at the Engine Computer. Your scanner should have something similar. They typically do not show a signal voltage because it's a square wave digital signal that cannot be measured with a digital voltmeter.
The second thing to consider is related to only half of the injectors firing. Usually only half of the spark plugs are firing too. The cause is late camshaft timing, but you are getting the wrong fault code for that. This problem sets the code for "cam and crank sync". At one tooth off, the Check Engine light should be on with that fault code in memory. At two teeth off, the computer will shut the engine down to protect the valves. At three teeth off the open valves will be hit by the pistons. Normally a jumped timing belt causes poor engine performance, but these will be shut down by the computer.
If the timing belt appears to be in time, there is another problem that can cause late camshaft timing and a shut-down engine, but it only applies to the single overhead cam engine. You will have to tell me if you have the single or dual cam engine.
Friday, January 3rd, 2020 AT 10:05 AM
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