I have the original ECU. The problem with it was that a gameboy with the Peugeot cartridge does recognize it at all and the injection system diag. lamp stayed on continuously. I will try plugging it in to see if I can flash the immo.

OK. I tried it with the original ECU. I get the 2 sec no led and then continuously on. The immo diag sheet says that the 2 sec. code means that the system is not programmed. I put the Malossi back in place.

That is a bit confusing since the injection diagnostic lamp goes out so the ECU is still OK. That was why i queried you about possibly reflashing the Malossi ECU. the 1/2 sec flashes when the ignition is off (according to the manual) means that the immobilizer is actively blocking an engine start. I have no problem with not having the extra acceleration and top speed from the Malossi ECU if the original Peug software has replaced the Malossi map. All I want at this point is being able to get the scoot to run.

Im trying to find out in the meanwhile what the peculiarities are of the Malossi ECU for it seems when placed in a tsdi there's a light in the cockpit that keeps burning .not shure if its the immo LED or not yet ..but it does give an error and some error messages wich should disappear after a reset ..the light keeps on burning though , thats what i read on another Dutch forum about this ECU..
idd say simply check if it sparks ...when immo is erratic in any way theres no spark at all .

yep seems to be the immo led that keeps lit using the Malossi ecu

Opmerking: IMU (chipkey) led blijft branden met Malossi ECU. Dit is geen fout, dit komt omdat de IMU geen antwoord krijgt van de Peugeot ECU die dit wel doet. Zolang de Malossi ECU er in zit, hoef je je hier niet druk om te maken.

translated:
note: IMMO Led stays lit using a malossi ecu.
This is no error but is because the IMMOunit gets no answer from the Malossi ECU like a Peugeot original ECU would . As long as the Malossi ecu is mounted one doesnt need to worry about about it .
...

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My understanding is that it depends on which Malossi ECU version is installed. There are two different numbers. The older one kept the injection diagnostic lamp burning but the newer one that I have does not.
I will check for a spark and update this.

Yep. There is spark when start attempts are made.

OK. thanks. There was indeed fuel on the plug.
I am thinking that I might have to remove the cylinder head so I can check the get the air injector out. When I replaced the o-rings I put the larger outer o-ring on the wrong side. It won't pop out with TDC compression.

If it sparks and theres fuel .. then go out from the worst scenario Erico .
Things can only go better seen from off there .
Worst case would be a bearing problem , wich causes air pressure leakage through the crankseals .. its got about that amount of miles on the clock to seriously consider this scenario. Its some work but not the most costly thing to fix . If you feel any movement on the crankshaft , especially from the ignition (right) side think you can conclude thats the original error the previous owner decided on to sell it .


air injectors can be broken , but in practice havent had one wich really was .. mosttimes it was the crankbearing/seals combi ...second best was a worn out air compressor ..concentric wheel is kind of a teflon wheel rolling over the fully rounded cracksides thus picking up the motion for pumping its air ...
Another trick of one of our members did was he tried to connect the air hose directly to a external compressor and applied the air this way .. started and ran fine wich told him the compressor was worn out .

TSDI's are a bummer to get experienced with , but once you can fully understand its achillesheel and can tackle these inconveniences it becomes a very rewarding scoot . Its knowledge many pro-dealers get grey hairs from because of its complexity ..being able to hme fix it will shurely lead to admirance from many ;)

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I think I will set the pressure on the compressor and give that a try. I will have to look it up in the specs, but 5 Bar comes to mind.

5 bar , 6 bar anything at pressure will do Erico ..its the air pressure where the whole system depends on ..much more as fuel pressure does .

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............當您朝右边看时您什么都不能看到在左边!

I tried it with 5 Bar and it didn't start. Should I have capped the connection to the air compressor?
Do you know where I can find a manual for the HL1 engine?

Part of your question answered in another topic: http://www.scooterhulp.com/instructi...c-library.html

Hope it is useful info., enjoy ;)

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Thanks. :)