Low compression please help
27 February 2012, 04:14 PM
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Low compression please help
Hi everyone. I have a problem and need help. I am the owner of STI 04 standard for 3 months. Car done 35k miles. After measuring the compression on one of the cylinders is zero, for the three remaining a bit over 10. Engine oil and coolant is ok. Please advice where to go check compression around cambridge as I dont belive it was done properly and that someone realizes what might be happening? What should I expect? If the head is broken where to go to repair the engine? I have been told it mayby a valve.
Thank you Daniel
Thank you Daniel
Last edited by skibav6; 27 February 2012 at 04:16 PM.
27 February 2012, 04:32 PM
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if thats an accurate reading then thats a catastrophic failure, might be worth getting it redone , could be a number of things, i had low compression on a 2004 sti but that only caused a low reading in cylinder 4 which was a worn valve seat.
27 February 2012, 05:05 PM
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Ok. Yesterday check engine flashed. The car was not working on one cylinder. Checked foult code- missfire on 2. Replaced cooil pack because the last owner said it was a missfire on cylinder 2 and if it happens again I have to fix the coil pack. Such was the diagnosis of a company in Liverpool. They cleaned the folts, done road test and was ok. Was ok for next 2200 miles. Car vibrates when standing but more than 2k/min is fine, no problems with acceleration. I have not noticed a drop in power or smoke
Last edited by skibav6; 27 February 2012 at 05:23 PM.
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27 February 2012, 05:26 PM
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Probably 10 bar instead of PSI.
If the reading was in PSI the measurement went wrong, as that is way down on all cilinders, so the car would not run anywhere near good.
If the reading was in PSI the measurement went wrong, as that is way down on all cilinders, so the car would not run anywhere near good.
27 February 2012, 05:59 PM
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Yes I been running on 99 but 97 as well as no petrol station with 99 near the place I live. What to do next? Where to check compresssin again to make sure near Cambridge?
Any good company to fix the problem?
Any good company to fix the problem?
27 February 2012, 08:04 PM
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What is the reason of this? I have done only 2.2k miles with mix 99 and 97 ron. Where to go to repair and how much might it cost me?
Do you think it was the reason of sale as the missfire on cylinder 2 was before I bought the car. I got the invoice what was done. The invoice says what to change when the CE light come back. I bought it as coil pack is not very expensive to fix. Didn't know the end od story will be diferent. Mayby I should contact to the company which diagnosed it wrong. What do you think?
Do you think it was the reason of sale as the missfire on cylinder 2 was before I bought the car. I got the invoice what was done. The invoice says what to change when the CE light come back. I bought it as coil pack is not very expensive to fix. Didn't know the end od story will be diferent. Mayby I should contact to the company which diagnosed it wrong. What do you think?
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