2005 sti compression test|Requesting Compression test how : consultant If compression is good and leakage is minimal, but a cylinder is misfiring or shows up weak in a power balance test, it indicates a fuel delivery (bad injector) or ignition problem .
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Remove the ignition fuse. Repeat for each cylinder: - Screw in compression tester. - Crank engine over 5-6 times while holding the gas to the floor. - Read compression gauge. At this point you can either start crying or jump for joy. 2005 STI - 11.0 @ 124mph on 93oct - 10.7 .I just did a compression test when changing my spark plugs and I got 130, 125, 125, . You'll see HUGE differences in compression numbers depending on the gauge used, altitude, outside temperature, engine temperature, etc. even on the exact same engine. . I'd say the spread amount cylinders is tight and based on that I'd think they are good. The STi has a 8.2:1 comp ratio. My EJ255 WRX has a 8.55:1 compression ratio and it .
I just did a compression test when changing my spark plugs and I got 130, 125, 125, 125. Does that seem low? If compression is good and leakage is minimal, but a cylinder is misfiring or shows up weak in a power balance test, it indicates a fuel delivery (bad injector) or ignition problem .
The car is in excellent mechanical condition, no rust, according to the PPI I had done, but a compression test showed low psi in all cylinders. The test was done at high . This process is the same no matter what year STI you have! .more. Today we'll be walking through how to do a compression test on a 2009 Subaru WRX STI. Well, tomorrow I'm going to do a compression test on my stock 14k miles, 04'WRX. I would like to know what exactly are the compression reading in psi for a "good . This is a quick example on how to test and listen for weak cylinders on subaru wrxs and stis.http://rspectune.com.
When doing a compression test and you get one (or more) bad reading(s), an old mechanic's trick is to put a teaspoon of oil in the spark plug hole and retest. If the psi reading . 2005 STI - Low Compression On All Cylinders Factory 2.5L Turbo Powertrain (EJ Series Factory 2.5L Turbo) Welcome to the North American Subaru Impreza Owners Club . no rust, according to the PPI I had done, but a compression test showed low psi in all cylinders. The test was done at high altitude, about 1 mile, so normally they see the engines . Don't know which ones are 1,2,3 and 4 so here are my numbers by location. Driver rear - 126 - 127 Driver front - 130 Passenger rear - 137 Passenger front - 130 This was done on a cold engine. I did some research on the board here and it seems that my numbers are ok for a cold motor. I am burning . I just did a compression test when changing my spark plugs and I got 130, 125, 125, 125. Does that seem low? . 2005 STI - Sold on 06/23/2007. Save Share Reply Quote Like. B. bekster43. 525 posts
Spent 45 min performing compression test with compressiont tester today. Make sure to perform test when car is warm. 2002 WRX with 90k miles Mods: VF34 @ 19psi protuned 282whp/272wtq JDM STI TMIC Maddad v2 DP & whisper catback One step colder NGK platinum plugs Stock intake with K&N panel filter German castrol oil 1. Remove stock intake .
What should be a healty 05 STI engine compression be?
Subaru wrx Compression test?
the spark plugs are easy enough to access, remove the battery and the window washer tank on the left hand side and the air cleaner case from the right hand side and then remove the connectors from the coils and then remove the coils. it is easy enough to do a compression test from there. removing these parts is easy and allows proper access! My 2005 subaru wrx sti is reading a misfire in cylinder 2. a P0302 code. . after that i took all the plugs out an ran a compression test my compression was 120 in all the cylinders wich seemd low to me but my friend said turbod cars compressions are a lower then normal.
Well, tomorrow I'm going to do a compression test on my stock 14k miles, 04'WRX. I would like to know what exactly are the compression reading in psi for a "good engine". . Past Subies - '11 STI Limited stage 1+ and '04 STi stage 2+ '13 Wrangler Rubicon - custom front bumper w/12k lb winch & off-road lights, skid plates, diff guards, etc.
Compression test instructions with pics. Factory 2.0L Turbo Powertrain (EJ Series Factory 2.0L Turbo) . Originally Posted by _sti_05. . 11-25-2005 02:16 AM: can compression test be done with accessport and antitheft mode? anthonyrb98: Engine Management & Tuning: 12: 09-25-2005 04:05 PM: Timing belt instructions with pics (Attn: . Please Like, Comment, or Share this video. Also subscribe for future repair videos.If you like the vids and want to help make more: paypal.me/MrSubaru1387or . Assuming the compression test was done correctly, you have a major problem. When doing a compression test and you get one (or more) bad reading(s), an old mechanic's trick is to put a teaspoon of oil in the spark plug hole and retest. If the psi reading goes up considerably after adding the oil, you have a cylinder/piston/piston ring problem.
To start out I have a 2006 STi with 66,000 miles, 50,000 of those miles have been on Cobbs stage II map. I needed new spark plugs so I decided to have a compression test done as well for peace of mind. 2007 STi compression test results. Bad? AraSh: Newbies & FAQs: 19: 09-10-2010 04:35 PM: 04 sti compression test results, need advice please: 85manny: Factory 2.5L Turbo Powertrain (EJ Series Factory 2.5L Turbo) 16: 02-28-2009 06:39 PM: 07 sti compression test results are in: b0nd18t: Factory 2.5L Turbo Powertrain (EJ Series Factory 2.5L Turbo . The air temp in my garage was balmy 82F. The retest results were essentially identical to psi values obtained yesterday with the warm engine. Thus, the engine temp had no significant impact on the compression test results. I proceeded with the wet test, adding 1 tbsp of engine oil to each cylinder and repeating the compression test:
I'm sure this has been answered in one of the millions of ringland failure threads but I get lost in between all the information, so sorry in advance! I'm taking my 2005 STi for a compression and leakdown test tomorrow and I'm a little nervous about how the results will be. A leakage test can also be used in conjunction with a compression test to diagnose other kinds of problems. A cylinder that has poor compression, but minimal leakage, usually has a valvetrain problem such as a worn cam lobe, broken . 08 STI 15,500 miles Built 5/08 Last 6 of VIN - 834868 Cobb Stg1 Map 1.02 since 200 miles . but thinks there is fuel mixed with the oil. He suggests a piston/ringland issue but would need to do a compression test to find out. I dropped her off at the dealer today and they confirm low compression in #4. Here are the results including leakdown .
Up for sale is a clean and compression tested JDM EJ207 2.0L Turbo motor form a 2005 Subaru WRX STI. This engine fits 2002-2005 Impreza WRX. It replaces the EJ205 engine. This EJ207 engine comes with the VF37 Turbo. The version 8 EJ207 engines are very popular for their high end power band due to it’s twin scroll exhaust system. How do you get the throttle to open on a compression test? cwepruk: Factory 2.5L Turbo Powertrain (EJ Series Factory 2.5L Turbo) 11: 11-27-2006 08:49 PM: Can anyone do a compression test for my STI in ILLNOIS: hilfiger4you: Mid West Subaru Owners Club Forum -- MWSOC: 7: 12-25-2005 07:42 PM Looking at a one owner (It has a second owner, but he basically inherited it and has had it garaged for the year he had it), adult owned 2005 WRX STI that is completely stock at around 90k miles. The car is in excellent mechanical condition, no rust, according to the PPI I had done, but a compression test showed low psi in all cylinders. Please tell me what you think 2006 STi w/ 20600 Miles Compression Test Results #1 - 135 psi #2 - 135 psi #3 - 133 psi #4 - 133 psi Leak Down Test Results #1 - 90/82 - 8 PSI Loss (Approx 8.8%) #2 - 90/82 - 8 PSI Loss (Approx 8.8%) #3 - 90/82 - 8 PSI Loss (Approx 8.8%) #4 - 90/84 - 6 PSI Loss (Approx 6.6%) Apparently, 2006 STi Spec is 142-171 PSI .
Oil consumption test finished - Engine burnt 1.1 -1.2 qt per 1000 miles. At first they did NOT want to do a leak town + compression test because it was still within spec of burning 1 qt/1000 miles. I argued with them saying technically it is over 1 qt/1k miles. Dealership mechanic refused to do it. SO i called SOA.
I have a 2005 STi with ~87k miles on it. Recently the car began throwing a P0302 CEL, which is a cylinder #2 misfire. The code is intermittent. . I asked the shop to do a compression and leak down test, but they were hesitant that that would yield the proper results. If the cylinder is misfiring, would that alter the test results? . Compression Test Results for '06 STI: PowerTrip: Factory 2.5L Turbo Powertrain (EJ Series Factory 2.5L Turbo) 6: 05-13-2015 10:43 AM: 04 sti compression test results, need advice please: 85manny: Factory 2.5L Turbo Powertrain (EJ Series Factory 2.5L Turbo) 16: 02-28-2009 06:39 PM: 07 sti compression test results are in: b0nd18tJust purchased a used 2021 WRX STI and from what I’ve seen, a compression test is recommended. I had a compression test done today and the results were: Cylinder 1: 130PSI Cylinder 2: 132PSI Cylinder 3: 125PSI Cylinder 4: 130PSI I’ve seen others get a much higher PSI. I bought this with 3200 miles from Carvana and I am still within the .2005 STI 11.681 @ 121.33 Axis Stage 3 - Methanol - Rotated GT3076r. . Turns out it was a bad stock injector on number 4. I also managed to get a compression test done: #1 - 148 #2 - 141 #3 - 149 #4 - 150 So cylinder #2 is a little lower than the others, but still looks in the good range to me. What do you guys think?
I went to get my car tuned last week and we expected to make 300-310whp on 91 pump. I made 240/245 which is way off considering the modifications done. My turbo is a cheap knock off so I'm hoping that's the issue. Just wanted to see if my compression numbers are worrisome. Thanks! #1 - 121 #2 - 120 #3 - 120 #4 - 122 Test done after a 10 minute . 2005 STI WRB. Low compression on #4 cylinder. I have a 2002 wrx withn 85000 miles. I started getting CEL's for a #4 cylinder misfire. #0304 I have been running a Cobb AP stage 2 for 20,000 miles. . valve problem Air sound from exhaust = exhaust valve problem Air bubbles from coolant = bad head gasket Remember to do the test @ TDC compression .
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Stock compression for 05' (120 psi)?
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2005 sti compression test|Requesting Compression test how