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Minor Issues - Others

Discussion in 'Technical' started by gururajanv, Jun 2, 2010.

  1. kaps

    kaps Superiore

    Messages:
    673
    Arakkonam
    This is normal. For running the compressor, power is provided by engine so revs will fall if you are idling. When engine is sufficiently revved and has sufficient torque, lowering of rpm will not be felt.
  2. vIjAy_kHaSa

    vIjAy_kHaSa Esperto

    Messages:
    1,353
    Panchkula
    Falling of revs when idling is not at all normal. While Idling my car have never gone below 900 RPM (aprox) and it remains steady at approx 900 RPM anytime either with AC ON and OFF.

    Falling of revs used to be normal in Carb cars like 800 and old Zen but modern cars ECU compensate automatically.
    RPM is raised by ECU of linea automatically to cater to load of compressor. RPM needle goes slightly above normal Idle RPM when you switch on AC.
    Revs should not fall below normal IDLE RPM at anytime when your are idling be it AC on or off.

    Eratic idling can be caused by poor adultrated fuel, clogged injectors, weak engine commpression, Fault ECU, dirty thottle body, a dead O2 sensor and many more reasons.

    Revs do fall below 900 RPM but only when you are driving and don't downshift.
    Last edited: May 14, 2011
  3. shams

    shams Esperto

    Messages:
    2,388
    Bangalore
    Meaning of JDP customer?

    Does anyone know the exact meaning of JDP customer. There is a checkbox in the form that SA fills at the service center (Its for them only). It says JDP customer Y/N ?. On enquiring they told me that its about some customers been selected for some survey (probably JD Power) randomly based on when they have bought their car. Was curious if u guys have noticed it and know more abt it.
  4. mescotc

    mescotc Amatore

    Messages:
    242
    Boisar , Tarapur
    yeah,
    last week recd. call from JD Power , for enquiry about Dealership experience & ratings .

    Atul
  5. abk1980

    abk1980 Amatore

    Messages:
    246
    Mumbai
    Why does the service center / manufacturer have this information? This can mean that the entire survey results (for all companies) are rigged!
  6. shams

    shams Esperto

    Messages:
    2,388
    Bangalore
    Thats how it is unfortunately. And it obviously means that some customers are treated differently
  7. Italia-Linea

    Italia-Linea Staff Member Janitor

    Messages:
    2,123
    Pune
    yes right. the RPM should not fluctuate. what i mentioned earlier was just the load on the engine due to AC.

    Whenever the AC is put on the RPM does not fall below 900-950rpm at all. the ecu compensates the fueling and maintains the RPM.

    the fluctuating RPM problem is caused only if the IAC, or the injector is clogged.
    Last edited: May 14, 2011
  8. soccerfan

    soccerfan Regolare

    Messages:
    480
    Kochi
    ^ Thats what the accelerator is for. Press it. Its there for a reason. You are simply not pushing it enough if your car is stalling. A/C doesnt need any blame here :D
  9. gurjinder

    gurjinder Staff Member Janitor

    Messages:
    3,989
    Punjab
    ^ or you're releasing the clutch too fast.

    Most 'good' diesels dont really require any accelerator input when moving from a standstill . With the AC on or off. The Palio 1.9D excels here , and so does the Linea.

    Giving accelerator input while releasing the clutch , when starting from a standstill is mostly associated with petrols. Because they are not torquey enough.

    In diesels, thats not the right way. Just release the clutch smoothly , without accelerator input and your car will move smoothly. Not only on level roads , but on slight inclines as well.

    Drive diesels like diesels, not petrols.

    Gurjinder.
  10. planning to visit TASS next saturday' should I ask for ecu scan?

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