Bad Hall Effect Sender/ Ignition Switch?---FIXED
ldc007usa at yahoo.com
Wed Nov 1 16:37:35 EST 2006
I swapped the distributor out of the '87 QSW into the
'85 QSW and that fixed the no spark problem. Culprit
was the hall effect sender on the '85 QSW.
--- L DC <ldc007usa at yahoo.com> wrote:
> Yesterday, I stopped for gas on my way home from
> even though I had a little more than 1/2 tank. Car
> question is an 85 VW QSW, JT engine code--same as
> Audi 4KQ.
> I filled gas tank and then started engine.
> While at idle, I proceeded to place into memory
> stations since the stereo the car boasts (from a
> Toyota; dont ask bcause I dont know) does not keep
> memory saved once engine is turned off.
> Anyway, a minute or so later while idling in the gas
> station (still next to the pump), the engine just
> No weird noises, no sputtering, no hesitation, just
> clean and fast shutdown as if I turned ignition off.
> Tried many times to start engine to no avail.
> My first thought was a clogged fuel line.
> Then, I did a quick spark test while cranking and
> nothing..NO SPARK!!!
> Left car at gas station 50 miles from home and this
> morning I took a look at my other running '87 QSW
> (parked, awaiting for a hub from a lister) to
> against the '85.
> On the '87, I disconnected the ignition wire (at the
> dizzy cap end) that runs from the dizzy cap to the
> ignition coil and cranked the engine and I got a big
> On the '85, the same test yielded NO spark.
> So, I took the ignition coil and ignition module out
> of the '87 and swapped them into the '85 and still,
> spark. WTF??
> I'm suspecting a bad hall sending sensor in the
> or ignition switch.
> Later, I will R&R the ignition switch and see if
> fixes the problem. If not, I will also swap the
> out of the '87 into the '85 QSW and see if that
> the no spark problem.
> What else could cause the no spark problem?
> A severed wire between hall sending sensor and
> ignition module and/or ignition switch?
> The car cranks fine and timing is right on the
> Remember, it was running nice and smooth and then it
> just quit out of the blue.
> What do you guys think?
> BTW, this car does not boast a timing reference
> sensor, thank GOD.
> Thanks in advance,
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