#3 and #6 cylinders not firing at all, is it a bad camshaft sensor or the computer?

160

Asked by captric2_ Jul 09, 2016 at 09:04 PM about the 1997 Dodge Grand Caravan

Question type: Maintenance & Repair

other cylinders have good spark...just changed wires too

7 Answers

41,725

How about the coil pack. Start there the computer told you NO spark on 3 and 6 right? DTC code. It's NOT CPS (cam sensor)

11 people found this helpful.
160

no coil pack on this year just one ignition coil getting commands from computer to fire...visually no sparks at 3 and6....dts from key method gives a cps error but I think that's just from being disconnected for a short time....engine will run barely at just above idle with full throttle...I would think it wouldn't run at at all with a bad cps, so I'm thinking computer....just bought this van and PO is stumped ...he replaced the timing belt due to a seized water pump...Ichecked that out and it looks good as far as the marks go on the cams and crank...he replaced the distributor with its looks like a new cps and checked the timing on that ..it looks good ...he replaced the PCM....don't know where from ....he replaced the o sensors...I put a new dist cap and wires on with no results...PCM #s r good

6 people found this helpful.
160

Its a used PCM, hand cranking verifies compression, just has one ignition coil, no spark on these cylinders. Can hear fuel injectors clicking with stethoscope on #3 and#6

4 people found this helpful.
160

Part numbers completely different for the four-cylinder plus it's getting fuelto the injectors I can hear the clicking I'm just thinking it's another bad computer

3 people found this helpful.
160

By the way I am an aircraft mechanic/airline mechanic what kind of aircraft is that

3 people found this helpful.
240

On my 04 Caravan spark call is not firing on 3 and 6 what caused that some people said some people say that the crankshaft sensor or the computer is that correct

14 people found this helpful.

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