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  1. Z

    Td5 elm327 OBD Bluetooth Engine Diagnostic

    I'll summarise that a bit, 50 million things going on at the minute - not entirely sure my ramblings make sense lol The protocol is KWP, at 10400bps, but it is NOT obd - the command structures may or may not be different. The K-Line comms will be totally silent unless and only if a valid...
  2. Z

    Td5 elm327 OBD Bluetooth Engine Diagnostic

    The AVR will be fine, easy enough to translate to/from arduino, just depends on the software libraries available.. You need USB comms to the laptop, the arduino does this via the (single) hardware serial port and you also need serial comms to the K-Line interface (the MC33290) so on the arduino...
  3. Z

    Td5 elm327 OBD Bluetooth Engine Diagnostic

    Absolutely bankzy - not too difficult either.. To clarify a bit, what I'm doing is blasting the k-line with educated guesses as to what the codes should be.. I've found the codes for the initialisation process, and managed a successfull handshake. I've also found the codes to request live data...
  4. Z

    Just posted on the thread, take a look, cheers

    Just posted on the thread, take a look, cheers
  5. Z

    Td5 elm327 OBD Bluetooth Engine Diagnostic

    Hi mate, Had some success - got my prototype receiving live data once, but then it went tits up and not had chance to look at what went wrong.. You can defo receive the RPM, and lots of other good stuff too - the issue is that while the protocol is ISO14230 / KWP, the codes used are non...
  6. Z

    Td5 Starting Problem

    Harry - the seals were definately the problem, the 110 is now fixed and running like a dream. You could see the carbon traces on the cylinders that were leaking - tiny bits of carbon get forced under the washer, which then opens it up to allow more in, and the problem gets progressively worse...
  7. Z

    Td5 Starting Problem

    Cheers gaz - I bought a decent sized battery and a few earth straps just in case - that's the problem with this fault, there is so much that *could* cause it, if you are coming into it new then it's really hard to pinpoint it.. who would have guessed that a leaky injector leads to a failure to...
  8. Z

    Td5 elm327 OBD Bluetooth Engine Diagnostic

    Hi guys, Just gauging interest: I've managed to hack the pre-OBD Td5 ecu diagnostics, and I reckon (I'm a computer programmer by trade) I can build an interface to Torque (or any other app) etc. The OBD bluetooth dongles are around a tenner, I can build a dongle that will interface with the...
  9. Z

    Td5 Starting Problem

    Job done - success!!! Total cost, £5!!! Took about 4hr including tea breaks and a test run.. The biggest/hardest job was cleaning the seats.. Would probably take 2 hours next time. Number 1 cylinder was leaking - carbon tracks across 1/3 of the washer, and cyl 3 was very close to leaking if it...
  10. Z

    Td5 Starting Problem

    Great picture marko - that makes it clearer - so clean!! Seals arrived, just waiting on a torque wrench..
  11. Z

    Td5 Starting Problem

    That's a great write-up, thanks! Doesn't look too bad IF the bloody things come out ok..
  12. Z

    Td5 Starting Problem

    Yeah, figured as much - thanks Mark, I was hoping for something simple that I had missed! The bits should arrive in the next few days, that's my weekend sorted! Anyone with a removal tool around Surrey/East Sussex?
  13. Z

    Td5 Starting Problem

    Hi guys - new here, but long time reader - great board. To cut a long story short, my 03 110 Td5 has intermittent starting problems - it will catch 1st turn most times, but occasionally is a real dog to start - it will turn over fine, but will only catch after a few minutes of continous...
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