[T3] Two Tests

[William Jahn]

I did notice that the injectors to the ECU connector when checking that
some read higher , if I pushed down on them and wiggled them the readings
would change 1 read 4 ohm moving it it dropped . I tightened then not long
ago yet had them off and on twice while doing the runners so I need to
tighten them again.

 One other thing stood out, I used an old injector to have one injector
male end to test the fit of all the females and noticed while checking TS1
to the ECU connector I plugging it in TS1 to connect my meter and both were
a very loose fit. I missed this and have ben pulling the connector of TS1
quite a few times. I suspect if I tighten both of them this might fix the
TS1 acting up. My thinking is if these are not tight then TS1 readings may
be all over the place due to how loose they are. I kept checking the CSV
connector and it's tight it was not until yesterday that I actually found
the TS1 plug connectors were so loose.

 I'm going to tighten the injector terminals again today and the TPS since
I had it unplugged several times then tighten TS1 connectors and see what
this does.

 I doubt any connections that are loose are going to make it run well and
the overall affect of several loose connections just compounds the issue
making it run the way it does. A loose one here another there all adds up.

On Tue, Sep 17, 2019 at 2:37 PM Jim Adney <jadney at vwtype3.org> wrote:

> On 17 Sep 2019 at 10:33, William Jahn wrote:
>
> >  I do find quite a bit of varied info when reading different D-jet sites.
>
> Yes, and there's a lot of it that's misleading.
>
> > Then I need to check the wires from the ECU to each component just to
> > make certain TS1's 2 leads are not crossed or grounded with any one of
> > the other leads.
>
> There's certainly no problem with checking this, but I seriously doubt if
> there's short somewhere inside your harness. I've never heard of that
> happening, although it's possible out at the ends, where the individual
> wires
> are exposed and where then tend to get abused.
>
> > Yet since the one you have runs rich it may not have anything to do
> > with TS1 or TS2 internal ECU it could be any of the circuits and there
> > seem to be quite a few and
>
> That's exactly right. It could be any of those circuits and the temp
> sensor
> circuits could be working properly.
>
> >  I wanted to ask. I know you removed the EGR and plugged the ports,
> > did you remove the EGR relay? I ask because the Bosch tester does not
> > seem to look at that circuit.
>
> I capped the exhaust port on the heat exchanger and the intake port on the
> EGR valve, but I left everything else in place. My relay is still there
> and I can
> still hear the EGR valve click when I turn the key ON, but nothing is
> getting
> thru it. I did it this way because I didn't want to bother with sorting
> out all the
> wiring and worrying about what might short out to what. It's been fine
> this
> way, although it leaves the engine compartment a bit more crowded than I'd
> like.
>
> One of the actual reasons I did it this way was that the original EGR
> filter
> was still there when I got the car, but it was falling apart. I thought
> that
> someday I could redo the failed silver-soldered joint and reinstall it,
> just to
> see if that was feasible. I still think it would be interesting to
> reinstall it and
> see if I notice any change in performance.
>
> If you removed the relay, what did you do with the loose wires?
>
> --
> *******************************
> Jim Adney, jadney at vwtype3.org
> Madison, Wisconsin, USA
> *******************************
>
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