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  1. 1997
    1997 is offline Tsikot Member Rank 2
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    November 20th, 2010 08:46 PM #1
    We had our car compression tested in two reputable shop

    1st shop reads

    175.120.175.175

    2nd shop reads

    250.225.250.250

    The car is 6 years old and 100T plus km reading
    This two shops are good and reputable dito sa site so I won't mention the name
    Baket magkaiba ng reading? is there something wrong with the car?
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  2. ghosthunter's Avatar
    ghosthunter
    ghosthunter is offline Tsikoteer
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    November 20th, 2010 09:04 PM #2
    Quote Originally Posted by 1997 View Post
    is there something wrong with the car?

    Obviously cylinder 2 has either loose piston rings or leaking valves.

    The simple test (i think) is to remove the cylinder head, turn it upside down and pour water on the valves (of cylinder 2) and wait. If water drains, then it's a leaking valve. If water doesn't drain, it's faulty piston rings.

    As for the readings, I don't know if the difference is still within tolerance though.
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  3. tip_tipid
    tip_tipid is offline Tsikoteer
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    November 20th, 2010 09:23 PM #3
    did the two shops mentioned here used the same setup and procedure to get the readings? did they use identical compression test equipment?
    but one thing is obvious, both have low readings shown in cyl 2.
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  4. 1997
    1997 is offline Tsikot Member Rank 2
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    November 20th, 2010 10:04 PM #4
    Yap but the 2nd is with in 10% tolerable level... Tama ba ako?
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  5. lexxus
    lexxus is offline Verified Tsikot Member
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    November 20th, 2010 11:04 PM #5
    pasado naman ang compression mataas naman ang result..dapat pinakunan mo ng wet type..para sa akin wala problima yan reading mo ng compression.madalas ganyan yan din ang nakukuha ko na reading basta wag lang sobra baba ng reading kasi kung may problima ka sa c ompression palyado na ang andar ng engine.yan ang pagkakaiba ng sira ng oil ring at piston ring..pagnasira ang piston ring compression palyado ang andar..pag nasira ang oil ring maganda ang andar pero may white smoke..tnx..some lang ng reading mababa yun cyl.2..ok pa yan..
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  6. bambino
    bambino is offline THE AUTO SPECIALIST
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    November 21st, 2010 07:21 AM #6
    Quote Originally Posted by 1997 View Post
    We had our car compression tested in two reputable shop

    1st shop reads

    175.120.175.175

    2nd shop reads

    250.225.250.250

    The car is 6 years old and 100T plus km reading
    This two shops are good and reputable dito sa site so I won't mention the name
    Baket magkaiba ng reading? is there something wrong with the car?
    based sa 1st readings , marginal ang #2 cyl. ok pa yan .

    the best sana kung meron shop dyan na gumagawa ng ELECTRONIC COMPRESSION TEST , and that will be done from the battery .

    this is pinpoint diagnostics procedure , no guessing and it only takes few minutes without touching the engine.
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  7. 1997
    1997 is offline Tsikot Member Rank 2
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    November 23rd, 2010 08:43 AM #7
    1 of my concern is pwede kaya mali yung pag compression test ng isa sa dalawang shop? Or should I get an 3rd opinion?
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  8. aejhayl17's Avatar
    aejhayl17
    aejhayl17 is offline desthro
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    November 23rd, 2010 02:33 PM #8
    sorry OT:

    ask ko lang po kung magkano magpa-compression test for 1.6L 4 cylinder engine?
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  9. isa1023
    isa1023 is offline Tsikoteer
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    November 23rd, 2010 11:27 PM #9
    Quote Originally Posted by aejhayl17 View Post
    sorry OT:

    ask ko lang po kung magkano magpa-compression test for 1.6L 4 cylinder engine?
    Around P200 po kay speedyfix
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  10. aejhayl17's Avatar
    aejhayl17
    aejhayl17 is offline desthro
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    November 23rd, 2010 11:46 PM #10
    Quote Originally Posted by isa1023 View Post
    Around P200 po kay speedyfix
    200 lahat lahat na po? makapag avail nga sa next visit ko sa kanya
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compression test 2 shop, 2 different reading