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Just to add clearing the codes via the OBDII scanner does not reset the learnt ECU data so you don't need the 15 minute relearn process. It simply...
P1123 is Long Term Fuel trim too rich. In other words the ECU is adding fuel to compensate for a lean mixture. There are a few reasons why it...
Before changing tact and looking at air leaks check the Air Flow live data! Compare it to the voltage at the MAF (across the striped wires). I...
4 Ohms is certainly higher than expected. As a reference the diagnostic sheet says the maximum resistance for the ECU earth connections is 0.2...
That's very good thinking about the TDR. We also have one at work although it's for high voltage cables so probably not sensitive enough for...
Just to update. My new ECU arrived yesterday and I fitted it today. I switched the ignition on with my OBDII reader/scanner connected and...no...
Thanks for all the info. Eric355 has supplied me with the factory Motronic 5.2 diagnostic sheets which was a tremendous help in trying to fault...
Thanks Rifledriver. My manual does contain some sections on the 5.2 cars and the F1 system (dated 97 etc.) but the wiring diagrams only go up to...
Hi all, I am having an issue with the MAF on my 97 F355. I am getting no air flow readings at the ECU (via OBDII live data) and the usual MAF...
I'm not knocking it but there is nothing new with the Tubi Evolution design. Capristo first came up with the two chamber design back in 2002, Tubi...
I've just done this on my manual box F355, it's a fairly common leak point so I was told. It's not difficult to change, if the boot is in good...
