A couple of weeks ago my car devoleped amiss after changing oxy sensor plugs wires coil pack injectors cam sensor and pcm still not getting power to #2 an 3 injector switched 3to 4 2 to1 they worked fine 2 an 3 still not working checked wireing no breaks any ideas

SOURCE: No Start, No Spark, for Grand Caravan 3.8L

we get remans bad out of the box......... good luck

SOURCE: car has no spark or injector pulse(new ecm,crank sensor)

Check the fuse for the injectors, some vehicles have the injectors and coil running on the same circut, at the same time check the fuse for the ignition.

Dar

• 2007 Answers
• Posted on Jul 01, 2009

SOURCE: 97 dodge intrepid just all of sudden stopped firing

Try mass air flow sensor.

SOURCE: 1997 Dodge Intrepid cranks over won't fire

I have this same NO START problem...
Began with tach giving readings not exceding 1200 rpm with strange 4000 + spikes.. Cruse control would not turn on or off at times and indicator light would only work sometimes..Had several episodes of excessive cranking to get it to start.. Stalling out while driving and even at freeway speeds.. Pulling the negative cable for 10 min. allowed it to start although with lots of cranking and put it in limp mode which required another computer reset to get out of.. Had thrown error codes related to cam and crank sensors which were replaced along with coil and manifold temp sensors.. Had the 9 volt power to sensors when key was on but the check engine light does not stay on with all the other idiot lights..
I wish people who respond would read the post first..
Original post states,
Cranks,No spark,No fuel pump run, changed some sensors ect...
If it cranks it ain't the neutral safety switch, starter or battery!! WAKE UP!!
Seems the computer is not turning on the coil, injectors or fuel pump for a reason.. Find that reason and you will find the solution to the problem.. Seeing as that the computers logic states are a dealer secrete the poster as I have changed many parts in blind hope that it will fix the problem.. Relays, sensors and ecu computer.. Did a visual check of all harness potential wear spots like where it crosses over the power rack..
Could it be in the wiring harness inside the dash??
Could it be a bad ground??
Can an alternator that has failed cause the computer not to start??
Can a bad oil pressure sensor cause the computer not to start??
Can signal loss from the TCU or BCU to the ECU cause this??
Is there an undocumented kill if the ECU thinks it was in an accident??
I can ground the relay line from the ECU and the fuel pump runs and pressures up and the other relays turn on as well..
This crank but no start problem seems to be common with a lot of 1994-2001 Dodge and Chrysler owners.. All these systems have become interlaced with undocumented safety features that baffle the DIYer..If you have seen this and have fixed it PLEASE RESPOND!!!!

SOURCE: po202 code engine idles rough,

DTC P0202 injector #2 control circuit.

fuel injector operation is monitored when battery voltage is more then 10.4 volts, auto shutdown relay (ASD) is energized, fuel injector pulse width is less then 10 milliseconds and engine speed is less then 3000RPM. DTC maybe stored in power train control module (PCM) when no inductive impulse is sensed after fuel injector turns off with no other fuel injectors turned on.

possible causes are:

defective fuel injector

defective ASD relay circuit

defective PCM

defective connectors or wiring

if you are getting injector pulse, the the PCM and wiring and ASD are ok ( get a noid light and plug into injector wiring plug in crank engine light should flash

if you have a flashing noid light REPLACE INJECTOR