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Thread: vitz 2003 problems after head job

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    Default vitz 2003 problems after head job

    main ne apni vitz 2003 jis main valve ka masla tha main ne us main kabli head replace ka kardiya head bohat saaf new jaisa tha but usay lagane k baad pick to acha hua hai magar jab ek dam accelerator deta ho gari ki race ki awaz zyada aati hai speed apni hisab se barhti hai aur 60 k speed power nahi rehti slow slow barhti hai aur main problem AC per petrol main bhi break hard ho jatay hain jaisay CNG per hotay hain. kya is head main bhi masla hai
    new engine oil , airfliter , oil filter . transmission oil toyota t IV 1000 km pehle hi change kiya hai

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    seems like compression problem

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    compression problem se kya matlab kaisay solve hogi

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    yup most probably koi valve ka masla hai tappet adjusment check ki? i mean tight to nhe hain?
    h@mI 91

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    Quote Originally Posted by hamza91 View Post
    yup most probably koi valve ka masla hai tappet adjusment check ki? i mean tight to nhe hain?
    SOLVE kaisay ho kya dobara head khulay ga kya phr se kharcha

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    Quote Originally Posted by Rhagvan View Post
    SOLVE kaisay ho kya dobara head khulay ga kya phr se kharcha
    compression test karo pata us say pata chalay ga ya to koi valve leak ho sakta hai ya seal leak ho sakti hai r agr aisa masla hua to head waly k pass wapis ja k dosra qabli head lo, guarantee di hogi usny zaroor.
    r agr compression theek hai to phir coil check karo!
    h@mI 91

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    Quote Originally Posted by hamza91 View Post
    compression test karo pata us say pata chalay ga ya to koi valve leak ho sakta hai ya seal leak ho sakti hai r agr aisa masla hua to head waly k pass wapis ja k dosra qabli head lo, guarantee di hogi usny zaroor.
    r agr compression theek hai to phir coil check karo!
    yaar agar dosra head liya us main bhi yhi masla aaya to head lagane se pehle koi tareeqa hai jis se check ho jae k koi fault nahi hai

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    Quote Originally Posted by hamza91 View Post
    compression test karo pata us say pata chalay ga ya to koi valve leak ho sakta hai ya seal leak ho sakti hai r agr aisa masla hua to head waly k pass wapis ja k dosra qabli head lo, guarantee di hogi usny zaroor.
    r agr compression theek hai to phir coil check karo!
    yaar agar dosra head liya us main bhi yhi masla aaya to head lagane se pehle koi tareeqa hai jis se check ho jae k koi fault nahi hai

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    you should have posted the problem(s) earlier before the head change. People like xulfiqar, ser_gtr, rustam54 and few more could have helped you correctly identify the problem & remedy as well.

    did the person 'USTAAD' doing the job replaced the Intake & exhaust manifold packings to oem new or simply glued the older ones, check for exhaust / intake manifold. I suspect packing / gaskit damage for noise and delayed acceleration.
    - www.crackwheels.com - A skilled Dictator is much more beneficial to Country......than a Democracy of Ignorant people

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    loss of vacuum in the manifold, loss of acceleration usually points to low fuel pressure and poor engine tune, like blind or dead O2 sensor too. The ECU will not respond correctly with a dead O2 sensor.
    ZRS - Zulfiqar Racing Systems ..... - professionals at work - at crackwheels.com

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    Quote Originally Posted by Xulfiqar View Post
    loss of vacuum in the manifold, loss of acceleration usually points to low fuel pressure and poor engine tune, like blind or dead O2 sensor too. The ECU will not respond correctly with a dead O2 sensor.
    I have corolla 1.3 2010 car has done 54000 kms I recently noticed their was a slight missing on motorway after 120 km/h the otjer day I tried in city and it started missing from 3rd gear and onwards when rpm is around 3.5 to 4, I havent changed the fuel filter I use synthetic oil and plugs r irridium I got throttle body serviced recently, plz help

    Sent from my GT-I9300 using Tapatalk 4

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    Quote Originally Posted by Xulfiqar View Post
    loss of vacuum in the manifold, loss of acceleration usually points to low fuel pressure and poor engine tune, like blind or dead O2 sensor too. The ECU will not respond correctly with a dead O2 sensor.
    how to check O2 sensor where it is located in vitz . if its fuel pressure issue but its performing same on CNG

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