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What to check when car is under performing

Discussion in 'Engine Compartment' started by Sat-Chit-ananda, Apr 16, 2013.

  1. My car had that issue as of two week back issue was with turbo hose clip which was loose, now i don't see too much difference between hot day and cool evening.
    2 people like this.
  2. bhai

    bhai Esperto

    Grande Punto 1.3 90 HP
    @ Sat

    Thanks for input! I am also facing this type of weired
    But exactly which hose was leaky? Please clarify or share the image.

    I found some gap between rubber hose & outlet of metal pipe of turbo.

    P.S. I shall post the image after some time. Don't laugh
    Currently typing from toilet
  3. speedJet

    speedJet Superiore

    If you have a pic, please post it so that it is helpful to all
  4. Phew

    Phew Esperto

    New Delhi/Mohali
    Grande Punto 1.3
    One's bank balance :p
    4 people like this.
  5. bhai

    bhai Esperto

    Grande Punto 1.3 90 HP
    Attaching image of suspected loose turbo hose of turbo outlet.

    See the arrow. Is this gap is normal ?

    Please verify and update.

    I am getting difference in performance at noon & at cool evening
    & poor low end torque also.

    Last edited: Apr 21, 2013
    2 people like this.
  6. You need to get the hose removed and checked once, I had the problem with hose that connect from turbo to inter cooler and clip had given away but was creating impression it is sitting properly .I had to go for early moring drive at 5 AM to words somanathapura and i could hear turbo leak clearly!!

    After replaceing the clip I am getting ~ 15.5 in city and 25 when I went the TFI bnagalore meet.Another clue about this is engine will have little higher harshness and even light foot driving will not get a any appreciable FE. Pay attention to any ol leak along the hose surface near to where it connects to turbo or intercooler.If you see wet surface there is leak but is it just a the clip or hose it self need to determined.
    Last edited: Apr 22, 2013
  7. Sumit

    Sumit Superiore

    guys, i was out on a weekend drive. i got a over all mileage of 15.5 kmpl in city and highway. there were 4 people and one kid and a fair bit of luggage also. i was in driving in 80-100kmpl range. AC was on 100%. is my mileage fine or is my car underperforming.
  8. theblack

    theblack Esperto

    Its difficult to say because even though you are not driving fast, it depends on the traffic conditions as well and how heavily you were accelerating.
    All said and done 15.5 seems a little low (I get that mileage when i constantly do 140 and above with AC on) . Why dont you try a few more highway runs before making any claims.
    That should give you a better idea
  9. You should be geeting close to 19-21 kmpl,you may want to get it checked.
  10. pemmasg

    pemmasg Regolare

    I would like to include the tyre pressure also to the checklist.

    2 people like this.

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