2001 Chrysler Concorde Q&A

2001 Chrysler Concorde Question: car won`t start

I have a 2001 Chrysler concorde with a 2.7L engine that start fine without the camshaft position sensor, but when I re-install the sensor it not run. What could be the problem? -
Answer 1
Inspect the connectors and wiring to the sensors. Engine speed and crankshaft position are provided through the crankshaft position sensor. The sensor generates pulses that are the input sent to the powertrain control module (PCM). The PCM interprets the sensor input to determine the crankshaft position. The PCM then uses this position, along with other inputs, to determine injector sequence and ignition timing. The crankshaft position sensor detects slots cut into the transmission driveplate extension. There are 3 sets of slots. Two sets contain 4 slots and one set contains 5 slots, for a total of 13 slots (TIMING SLOTS). Basic timing is set by the position of the last slot in each group. Once the Powertrain Control Module (PCM) senses the last slot, it determines which piston will be next at TDC from the camshaft position sensor input. It may take the PCM one engine revolution to determine crankshaft position. The PCM uses crankshaft position reference to determine injector sequence and ignition timing. Once the PCM determines crankshaft position, it begins energizing the injectors and coils in sequence. The PCM uses the Crankshaft Position sensor to calculate the following: Engine rpm TDC number 1 and 4 Ignition coil synchronization Injector synchronization Camshaft-to-crankshaft misalignment (Timing belt skipped 1 tooth or more diagnostic trouble code) The camshaft position sensor contains a hall effect device that provide cylinder identification to the Powertrain Control Module (PCM) (Camshaft Position Sensor 2.7L) The sensor generates pulses as groups of notches on the camshaft sprocket pass underneath it. The PCM keeps track of crankshaft rotation and identifies each cylinder by the pulses generated by the notches on the camshaft sprocket. -
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