Larger running/electronic problems PT

Hi,

I was with a friend today who has problems with his PT again and always already. By the way, that was the one who said you needed the reverberator to start - you don't need that, we found out today.

So, first of all, the symptoms are cold, restless, jerking. When it is warm, it runs well to ~160km/h, and then it only goes so really mad, hardly attracts any more, jerks, does not come over the 180.

Gear failure memory, switches clean, no emergency run, nothing.

Motronic error memory says (first):

- Reverberator no signal
- Intake air temperaturer short circuit after B+
- Lambda probe no signal

Short to the machine, has 210tkm on it, is well waited, timing belts in 2000km due, is planned. Machine is turning up in idle, so I don't suppose that the timing belt has skipped - because that was my suspicion for a moment. Consumption is very good (11-12 litres in third), has not changed noticeably in the last 70tkm. No special disintegration of any fluids.

New are: distributor + reverberator, OT and speed encoder, coolant temperature sensors, spark plugs, front tap sensor (driver side), Lambda probe, vacuum hose, LLRV; all original.

Now I have deleted the error memory and see, suddenly the Lambda probe had exceeded the rule limit. What can that be? Mass tape is NOT ANYTHING, I once advised him.

Then it went on:

Hallgeber pulled off, started, was there immediately, no problem.
Intake air temperature sensor pulled with running machine, ran likewise.

But both mistakes stopped just like that in the memory.

But it gets even better: If I have deleted the error memory during operation, the machine simply went out (!!!). But jumped back on. I've never seen that before.

So I see several possibilities:

- Cod according to d. Error messages in the bucket, however, I could not see anything when opening d. Insulation and viewing d. Wires
- Control unit in bucket

In your experience, what's going on? And: Can you use parts d. Wire harnesses just re-integrate (let it, at Bosch, he has two left hands and I'm not so firn at that) or is this a theater (I mean directly from the Kostal plug d. ECU)?

And how high do you see the probability that the ECU is ex/goes? Unfortunately, we have no possibility to exchange parts according to the exclusion method.
I am grateful for every advice.

IG

Bastian