Since you listed "mechanic", I'm hoping you have access to a scanner. That will greatly simplify the diagnosis. Connect it and select the Engine Sensors, specifically the crankshaft position sensor and the camshaft position sensor. I have a Chrysler DRB3 scanner for all of my vehicles. That one lists these sensors with a "No" or "Present" to signify when their signals are showing up at the Engine Computer. Aftermarket scanners should have a similar means of showing that. They should both switch solidly to "Present" during cranking. See if one stays on "No" or bounces back and forth.
Also read and record the diagnostic fault codes and tell me what you find. If you don't have a scanner, Chrysler made doing that yourself much easier than any other manufacturer. Cycle the ignition switch from "off" to "run" three times within five seconds without cranking the engine, leave it in "run", then watch the code numbers appear in the odometer display. You can go here:
https://www.2carpros.com/trouble_codes/obd2
to see the definitions, or I can interpret them for you. If you get any fault codes related to these sensors, or one that refers to them being out of sync, you have to be careful when checking for spark. While it might look okay coming from one of the ignition coils, the other one might be dead.
Also tell me if you have the single or dual-camshaft engine. Do you hear the hum of the fuel pump for one second when you turn on the ignition switch?
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Monday, January 20th, 2020 AT 7:08 PM
