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toyota avensis mk1 query

  • 18-04-2012 11:56am
    #1
    Mar4ix
    Registered Users, Registered Users 2 Posts: 2,359 ✭✭✭


    Got toyota avensis, '98, 1.8 petrol. require a lot of tlc.

    First want to find out, why on motorway, temperature drops down kinda getting cold. is that thermostat at fault, or temperature sensor. ?

    Or something else.


Comments

  • #2
    Nissan doctor
    Closed Accounts Posts: 8,223 ✭✭✭Nissan doctor


    May well be the thermostat stuck open.


  • #3
    Mar4ix
    Registered Users, Registered Users 2 Posts: 2,359 ✭✭✭Mar4ix


    Nissan doctor wrote: »
    May well be the thermostat stuck open.

    Thanks, other question, :P , why when she cold started, revs are 1.8 k ., and holds quiet long. usually petrol engines when cold, revs jumps up to 1.2 - 1.3 k, than within 1 or 2 min drops, but mine is up for long time. ... never wait until they drops, as cant stay in one place for all day.
    When properly heated, revs ok, 850 . could be electrical choke acting, or something else ?


  • #4
    Nissan doctor
    Closed Accounts Posts: 8,223 ✭✭✭Nissan doctor


    Mar4ix wrote: »
    Thanks, other question, :P , why when she cold started, revs are 1.8 k ., and holds quiet long. usually petrol engines when cold, revs jumps up to 1.2 - 1.3 k, than within 1 or 2 min drops, but mine is up for long time. ... never wait until they drops, as cant stay in one place for all day.
    When properly heated, revs ok, 850 . could be electrical choke acting, or something else ?


    Still could be cooling issues, if a temp sensor is giving wrong info to the ecu etc.


  • #5
    CJhaughey
    Registered Users, Registered Users 2 Posts: 14,679 ✭✭✭✭CJhaughey


    I don't know if the 7A-FE is the same as the 2C-TE but the diesel has a fast idle where the fan speed control switch steps the idle speed up if its turned on.
    Turned off it just idles normally.


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