No spark I have replaced coil,plugs.wires,crankshaft postion sensor,pcm

Inside the PCM is a transistor that turns on an off that coil . Builds magnetic field when powered up , then when power shuts off the field collapses inducing higher voltage in the secondary side of the coil . This creates the spark to the spark plug. The PCM use a input from the crankshaft position sensor to control the coils . IF the coil is good an wires an plug good , transistor is side the PCM maybe fried . Testing the coil driver (transistor) is what you need to do to determine if the PCM needs replacing , can't be the crank sensor or none of the coils would fire . https://www.youtube.com/watch?v=8FnYllf5D9E&t=13s

make, model, year?

If you're getting a code for no RPM, the PCM is not receiving a signal from the crankshaft position sensor. The PCM uses the signal from the crankshaft position sensor to fire the coil/spark plugs. Check the wiring to the crankshaft position sensor and check the sensor itself.

Is the PCM controlling the coil's ? You have B+ voltage at the dark green with orange trace wire at the coil pack ? The other two wire's go to the PCM - the PCM has transistor's that supply a ground to those two wire's when signal from crank sensor is seen . Opens an closes to build up voltage an to release a spark . You can test this control with a test light . Video's on youtube.

Wires !!!!!!!!!
And Are The New Plugs Gapped Properly

Test the ignition system output, ignition systems can vary in configuration but operate on the same principal. Ignition systems can consist of a coil, pick up coil, crank angle sensor, cam angle sensor, spark plugs, spark plug wires, distributor cap, ignition rotor and a distributor and any variations of these components. An ignition coil is a voltage stepper coil that transforms a low voltage (12 volts) signal into tens of thousands of volts needed to jump the gap of the spark plug.

This coil is activated by an ignition module triggered by using the camshaft/crankshaft angle sensor; timing is adjusted by the PCM (computer).This primary electrical signal is generated by the PCM which calculates spark timing by using a variety of sensors including coolant temperature, mass air flow, and oxygen sensors. Go to 2carpros.com for a video on how to check this using a 12v light tool. On the engine repair section search, type, "engine cranks but will not start." If my answer helpe you, please leve good feedback. thanks

No the starter has nothing to do with your car staying running you should check fuel issues fuel pump injectors regulators. Also most likely check ignition components spark plugs spark plug wires distributor cap and rotor or coil if equipped either or and check coil pick up sits underneth coil packs i would go to advanced auto parts and they can check coil pick up and coils or you can by pulling out spark plug and putting it back in wire set spark plug next to engine block if you see blue spark coil is good if orange bad not hot enough to ignite gasoline. is your check engine light on if so get codes read for free at autozone or advanced auto could also be crankshaft postion sensor or camshaft postion sensor lmk if it helps. if it helps please leave 4 star reviw and good comment thanks

check the color of your spark if it is blue your good if orange replace coil dependig on your setup and if you have 1 coild or 8 coils you many have to check each cylinder seperate just pull out spark plug replace the spark plug wire have someone try to start car and lood at color of spark i should note dont hold the wire just let it rest close by

if that is ok replace your crankshaft postion sensor as it tells the cars ecu when and to what cylinder to fire spark to faulty crankshaft postion sensors 99 percent of the time wont allow car to start or very hard starts the other 1 percent

if it helps please leave good review 4 thumbs

likely fuel pump, dirty MAF sesnor or distributor CMP sensor going. go here

http://groups.yahoo.com/group/villagerquest/

1. Note: Electronic Ignition engine timing is entirely controlled by the PCM. Electronic Ignition engine timing is NOT adjustable. Do not attempt to check base timing. You will receive false readings.
   

The CKP sensor is used to indicate crankshaft position and speed by sensing a missing tooth on a pulse wheel mounted to the crankshaft. The CMP sensor is used by the COP Integrated EI System to identify top dead center of compression of cylinder 1 to synchronize the firing of the individual coils.

1. The PCM uses the CKP signal to calculate a spark target and then fires the coil pack(s) to that target shown in Figure 51. The PCM uses the CMP sensor not shown in Figure 51 on COP Integrated EI Systems to identify top dead center of compression of cylinder 1 to synchronize the firing of the individual coils.

1. The coils and coil packs receive their signal from the PCM to fire at a calculated spark target. Each coil within the pack fires two spark plugs at the same time. The plugs are paired so that as one fires during the compression stroke the other fires during the exhaust stroke. The next time the coil is fired the situation is reversed. The COP system fires only one spark plug per coil and only on the compression stroke.
   
   The PCM acts as an electronic switch to ground in the coil primary circuit. When the switch is closed, battery positive voltage (B+) applied to the coil primary circuit builds a magnetic field around the primary coil. When the switch opens, the power is interrupted and the primary field collapses inducing the high voltage in the secondary coil windings and the spark plug is fired. A kickback voltage spike occurs when the primary field collapses. The PCM uses this voltage spike to generate an Ignition Diagnostic Monitor (IDM) signal. IDM communicates information by pulsewidth modulation in the PCM.

1. The PCM processes the CKP signal and uses it to drive the tachometer as the Clean Tach Out (CTO) signal.
   

2.5L V6

The ignition system consists of an ignition coil, spark plug wires and spark plugs.
The crankshaft position sensor signal is the basis for ignition timing calculations. The alternating voltage signal from the crankshaft position sensor is digitized by a pulse former within the powertrain control module. This digitized signal is then used to position the closing time of the primary circuit of the ignition coil.
Ignition timing is determined by the powertrain control module in response to engine operating conditions based on stored data tables or maps. Once ignition timing has been determined, the powertrain control module interrupts the current to the primary circuit of the ignition coil thus triggering the ignition spark which is supplied to the cylinders through the spark plug wires and spark plugs.
The ignition coils are triggered by the powertrain control module in pairs (cylinders 1 and 5, cylinders 4 and 3 and cylinders 2 and 6) sending one ignition spark to the firing cylinder and one ignition spark to the corresponding cylinder on the exhaust stroke. This ensures that any unburnt fuel residues remaining in the cylinder on the exhaust stroke are re - ignited to provide cleaner exhaust emissions.
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2.0L 4 cynder

The ignition system consists of an ignition coil, spark plug wires and spark plugs.
The crankshaft position sensor signal is the basis for ignition timing calculations. The alternating voltage signal from the crankshaft position sensor is digitized by the powertrain control module. This digitized signal is then used to position the closing time of the primary circuit of the ignition coil.
Ignition angle is determined by the powertrain control module in response to engine operating conditions. Once ignition angle has been determined, the powertrain control module interrupts the current to the primary circuit of the ignition coil thus triggering the ignition spark which is supplied to the cylinders through the spark plug wires and spark plugs.
The ignition coils are triggered by the powertrain control module in pairs (cylinders 1 and 4 and cylinders 3 and 2) sending one ignition spark to the firing cylinder and one ignition spark to the corresponding cylinder on the exhaust stroke. This make sures that any unburnt fuel residues remaining in the cylinder on the exhaust stroke are re - ignited to provide cleaner exhaust emissions.
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Integrated Electronic Ignition System The Integrated Electronic Ignition (EI) System consists of a crankshaft position (CKP) sensor, coil pack(s), connecting wiring, and PCM. The Coil On Plug (COP) Integrated EI System uses a separate coil for each spark plug and each coil is mounted directly onto the plug. The COP Integrated EI System eliminates the need for spark plug wires but does require input from the camshaft position (CMP) sensor.
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