Diagnostic Testing at Motorhome Shows

Discussion in 'Tech/Mech General' started by boosters, Mar 20, 2009.

  1. boosters

    boosters Read Only Funster

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    I am getting more and more requests when remapping motorhomes for diagnostic checks on vehicles,mostly fiat and peugeots,also key programming etc.
    I am thinking of offering this service at the motorhome shows we attend and would like feed back as to wether this service would benefit members and owners.
    Regards
    Alex
     
  2. MotorhomeWales

    MotorhomeWales Read Only Funster

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    We always tend to check for any stored or pending fault codes on the vehicle before and after re-mapping any motorhome.
     
  3. takeaflight

    takeaflight Read Only Funster

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    I think it may be a good idea, however I am sad to say that IMHO it may be very cost sensitive. If you don't try you wont know, but best of luck.

    It seams a lot of people will pay hundreds for a set of cooking pans but not a lot on services.
     
  4. hilldweller

    hilldweller Funster Life Member

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    It must be when an ODB2 interface can be had for under £50.

    Of course not everyone thinks they can use one but it's not rocket science.
     
  5. staging lady

    staging lady Funster

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    Sorry to appear thick but...
    What does remapping a motorhome mean?
    Changing from Tomtom to Garmin??:Rofl1:
    No seriously what is it and why would you have it done?

    Be nice to me -- it's Mother's Day! :Rofl1::Rofl1:
     
  6. hilldweller

    hilldweller Funster Life Member

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    The engine control computer has a list of settings on how much diesel to squirt into the engine for different throttle settings, speed, temperature. This is also known as a map. So for 2000rpm, half throttle and 30 degrees we inject XX amount of diesel. But there is no "correct" map, just compromises and the makers send out a reasonable set of figures for good economy and performance and to pass emission regulations.

    Sometimes they send out a "devalued" map. Take the Mini, it went out with Map 1 but if you buy the Mini Copper it goes out with Map 2 which allows more performance. This is a quite common cheapskate trick for getting more money out of us with NO cost to them.

    Our 2L engine struggled up hills, we had it re-mapped and now it goes up hills easily in a higher gear. The downside, it can use more fuel and there is a lot of wheelspin on wet corners, so you could say that Fiat had installed a map to cope with inexperienced drivers.
     
  7. Geo

    Geo Trader - Funster

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    Just as there are little programs you can put on your computer,to make it run faster and better
    You can re program (Re Map) your Motor home ECU (computer)
    The vehicle manufacturer loads up the vehicles data Box (ECU) with what it believes to be a good "Average"" "all round" Program, along come the tuning boys and Re Map ie change the program to give you better settings that should improve, pulling power (Torque) and somtimes fuel consuption (MPG) and with a bit of luck both:thumb:
    These new programs cost thousands of pounds to write and research, to make sure they dont damage your engines, and cost about £250 per copy to be installed (prices vary widely) some are written directly to your vehicles own ECU (Computer) over writing the original program, others are written to a little black Box that plugs into the ECU and works along side the original program
    Hope that helps:thumb:
    English Version
    Happy Mothers Day
    Geo
     
    Last edited: Mar 22, 2009
  8. andyman

    andyman Read Only Funster

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    The biggest problem I can see with on site diagnostics is, how do you then do the repair. Yes you can find the fault but where do the spares come from. The owner will still need to get the vehicle repaired. If that don't cure the problem who gets the blame. The service would only be of benefit to the older M/H as up to 3 year old is under warranty. At £50 for a code reader us who mend and make do will probably know someone with a reader.
     
  9. staging lady

    staging lady Funster

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  10. dave newell lvs

    dave newell lvs Trader-Vehicle Services

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    Surely a diagnostics read will only be necessary if a fault condition is present and if that's the case how many drivers would ignore the warning light on the dashboard and go to a show??

    Or am I being thick again?

    D.
     
  11. Geo

    Geo Trader - Funster

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    £50 for a scanner Ive been robbed :Doh:
    I paid over 5k for mine:Eeek:
    And as im sure the other scanner members on here will confirm.
    just because you have a light on it means there is always a problem:Doh:
    And just because you havent got a light on it means there isnt a problem:Eeek:
    scanners who trusts em
    Bring back points and condensers, it was always one or the other:thumb:
    Geo
     
  12. takeaflight

    takeaflight Read Only Funster

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    When I last looked a star machine for the merc was around £5000, the local main dealer charges £100 plus vat for a reading an independent in Solihull charges £40.
     
  13. dave newell lvs

    dave newell lvs Trader-Vehicle Services

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    I have a basic OBD2 scanner that cost £58 but it won't do all vehicles and those it will do are often limited on what it will read. My mate two doors away has a "Launch" scanner that will do just about any vehicle with OBD and it can do an awful lot of things to them but it cost him the best part of a couple of grand. My OBD2 scanner has paid for itself several times over by being able to reset fault lights etc but its no way as good as the pro gear.

    D.
     
  14. Wildman

    Wildman Read Only Funster

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    what do you mean bring them back, I know its a while since I had petrol vehicle, where have they gone, have I missed something:Eeek::Eeek::Eeek:
     
  15. hogan

    hogan Read Only Funster

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    Sorry to be thick but reading all these posts re scanners/lights obd2 whatever that is I have a problem
    2 weeks ago I changed the fuel filter and since then I have had a red warning light on the dash (it looks like a injector).I have been to a couple of local garages one was a diesel specialist and they both told me I have to go to a Fiat dealer to have the light turned off.
    The motor is running with no problems its a Fiat Ducato 2.8jtd.
    Are they telling me the truth as I cannot get my motorhome into the local fiat dealer the roads are too narrow, As you can see I live in Spain so these things are not as simple as in good old Blighty.
     
  16. Geo

    Geo Trader - Funster

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    Sorry Mate they disappeared early to mid 90s old metro were the last if memory serve me:Doh:
     
  17. Geo

    Geo Trader - Funster

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    If it happened as a result of changing the filter, it probably is just a glitch,However it does req scanning and turning off to eliminate a possible fault any suitably equipped garage should be able to scan it for you not just Fiat, unless the Diesel experts tried and failed, ie not communicating with them,then it will have to be Fiat:Doh:
    Geo
     
  18. hilldweller

    hilldweller Funster Life Member

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    Do a search of ebay for ODB2 and ask a suitable vendor if his gadget will do it.

    Some are stand alone hand held devices, mine is a USB interface to my laptop, ELMSCAN. Cheap and cheerful but it's saved me much money. If you can get a cheap one to look at and clear the fault flag then it's probably cheaper than a garage would charge you.

    And, you've got it for the next problem.
     
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