@windy1603 from
https://www.peugeotforums.com/threa...rs-p12a2-u1218.373488/?post_id=2430640&nested_view=1&sortby=oldest#post-2430640
In short my previous mechanic was trying to fix her by replacing the turbo, however, once BSM was flooded, he couldn't even read the codes on her.... but he was saying that injectors needed to be replaced x2 off (I had x3) and "your ECU is "dicky""
Since replaced BPGA and BSM I had her just smoking, but she's gone in to limp mode and engine error light kept kicking on, as he drove her to his garage
Once x2 off (1 and 2) injectors replaced by a new mechanic, almost no excessive smoke, but "something happened" to BSM, as she's non starter again, however the "intermittent compression fault in cylinder x2" now is
permanent code, however, not on a proper Lexia, but on EDIAG dongle thingy
She's at mechanics now, but going by all what's covered and not, to completely eliminate all problems, most likely, I'll have to replace BSM once again, got to get proper compression test and looking for, but so far not finding BSI+ ECU replacement combo
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I am not familiar with the scanners you are looking at. They look cheap enough that you wouldn't lose much if it didn't work.
Thanks
@Ian M Davis . Indeed those cheapo are cheapo, but some of the members in other threads had bit more of a luck and which "EDIAG" (now named "KingBolen"

) of my mechanics work, I'll have to be sure it's newer model or the other member
@pezocik works on them the same
Mechanics usually buy top of the range scanners such as SnapOn which cost several £k. Even these units can't do everything the car makers tool does.
Spot on, indeed my old mechanics SnapOn wasn't reading ECU, but that was caused by flooded, now replaced and suspected shortened up or fuse on it blown or something else "happened" to that BSM again.
If you want a cheap scanner to play with just make sure they list your car. In many cases all the cheap scanners will do is read the fault codes. Car makers are making it harder to work on cars. For example the only way to get full functionality on later Peugeot is download the Diagbox software from the PSA Servicebox site and pay to access the PSA server. One good thing I have know some people have successfully used a cloned version of the Lexia 3 with the PSA server.
By no means, I'm a mechanic and rightfully "take on a chin" being n00b, however I'm absolutely gone off on idea investing in Lexia, whilst other OBD2 readers do as good of a job...
When choosing an ECU kit I suggest the following:
(i) Look at your existing ECU and BSI and note the manufacture name (e.g. Bosch) and all the part numbers printed on them.
Gotcha! ... 'ish.... ECU, I got all the numbers, but BSI is an absolute pig to get to to even to take picture, so whilst so far not eliminated ECU being "dicky", but it's 2-3 months now, it seems I just cant find correct combo.
(ii) Only select a kit from the same car model, engine and gearbox* as yours - some sellers say they fit more than one model. This is risky - while they may work you could have performance issues.
sounds/seems none of the ECU+BSI kits seem will fit, I've got bookmarked
(iii) Try to match all the part numbers on the ECU and BSI with those on your existing unit.
In the case of the BSM it doesn't need to come from the same model but make sure it has the same part numbers on it as your exiting unit.
Not sure why Aleksandrs said "no" to me getting another BSM, instead, he's intending to investigate... but, whilst I haven't explained to him, that my previous mechanic spent extra x2 hours trying to find the fault of non starting (on the top of x4 hrs taking all related to turbo stripping and putting back), that was solved by replacing both BPGA and BSM....
ANW
BSM P/N 9667044980 literally x115 off Bsm 9667044980 for sale | eBay
Unfortunately not the Delphi ECU kit...
Delphi ECU P/N 9666912580 +
BSI P/N ?????? ( P/N
966689538001 )
+
(keys, locks, dial-display- cluster etc... )?
* For example if you have manual gearbox and buy a kit configured for an automatic the car will not start. This can be fixed but you will need a Lexia 3 and Diagbox to change several settings.
If it comes to it (meaning, needing to get BSI+ECU (and/or BSM), but
NOT A REAL COMPRESSION issue), I'm sure Aleksandrs will get his Lexia on her