While the IgnitionSwitch is a Cheap&Easy item to try EarlyOn in a Diag' ~ It IsNot the Cheapest&Easiest ~ The 2 Relays (FuelPump&ECUPower) in the BlackBox above the coil are Cheaper&Easier to Replace & I have seen them cause similar behavior to this a couple of times in the recent past ~

                                                                                        ORR ~ DeanB

On 16 Jun , 2014, at 6:47 AM, kenneth wilford (Van-Again) wrote:

> John, it sounds like a problem with the ignition to me.  Like someone is
> just shutting the key off after the van starts up.  Of course it could be
> that simple.  Your ignition switch (electrical part) can fail and possibly
> cause this problem.  You might want to try one of those first as this is
> the cheapest possibility.
> 
> You could have a loose wire on the coil.  I know you just replaced it but
> recheck the wire connections there.  I have had a bad end connector on one
> of the small black wires to the coil, cause the van to shut off when
> hitting a bump.  New end connector fixed this problem.
> 
> Hall Sensor or ECU.  The two things beside the coil that control spark are
> the hall sensor (inside the distributor) and the ECU (under the rear seat).
> Unfortunately there isn't a good way to test either of these with a meter.
> In fact the way I test for these is to swap in a known good unit and see
> if that fixes the problem.  So if you have a local person who is willing to
> loan you his ECU or you have a good spare that would be something to try.
> If the ECU doesn't fix it then I would suspect the hall sensor.  I would
> recommend getting a rebuilt distributor as doing this job yourself isn't
> really easy and there may be wear inside the distributor at this point.  A
> rebuilt unit will give you ground zero on a part that wears out over time
> and miles.
> 
> Of course, as always, we stand ready to supply your parts needs.  I have
> rebuilt ECUs available for $250 and rebuilt distributors available for $259
> (plus core charges).  I also have a supply of OE ignition switches for $29
> each (they are actually not easy to get at the moment).
> 
> I look forward to helping you in the future.
> 
> Ken Wilford
> John 3:16
> www.vanagain.com
> 
> 
> On Mon, Jun 16, 2014 at 12:22 AM, JRodgers <jrodgers113@gmail.com> wrote:
> 
>> Didn't get a lot done on this today - but here is what I have so far.
>> 
>> 
>> Fuel Pump Check - runs when ignition is turned on
>> 
>> Injector Test - Pulled and tested - all four injectors are discharging
>> 
>> Coil test via Hall sender -- Coil is good
>> 
>> Injectors pulse when coil is tested.
>> 
>> Computer control for ignition via Hall sender - Good
>> 
>> Fuel pressure test: 30+ psi
>> 
>> With a brief pause after the ignition switch is turned on - the pump can
>> be heard running. After waning chime turns off - ignition key turned to
>> start - Engine fires - runs briefly - then quits without a sputter - as
>> if it has run out of fuel.
>> 
>> Question: is there no fuel flow after initial start up? If so, what wold
>> be controlling that (ECU but how? What's happening.) Or could it be that
>> there is a fuel filter problem and just as there is greater demand for
>> fuel there just isn't enough coming through. Gauge says there's still 30
>> + PSI
>> 
>> The testing has begun to accumulate the data to find this problem!
>> 
>> John
>> 
> 
> 
> 
> --
> Thanks,
> Ken Wilford
> John 3:16
> www.vanagain.com