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 Posted: Sat Oct 08, 2011 8:43 am |
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Joined: Sep 03, 2010
Posts: 979
Trade Rating: +6
Location: Biggleswade
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I'm going to perform a compression test on my 180 just wondered if anybody knows what the average reading should be, or do I just test them all and see, also is it best to doit with all plugs removed or just the one your testing
Thanks Dan
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Posted: Sat Oct 08, 2011 8:46 am |
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Joined: Feb 07, 2010
Posts: 3085
Trade Rating: +12
Location: Essex
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test all cylinders and compare the results. remove all plugs and do each cylinder in turn. You only need to crank it a few cycles each time.
Show your results on here for a diagnosis
Use a screw in CT by the way
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Posted: Sat Oct 08, 2011 8:52 am |
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Joined: Feb 07, 2010
Posts: 13077
Trade Rating: +65
Location: England
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They should be within about 10% of each other shouldn't they?
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Posted: Sat Oct 08, 2011 8:53 am |
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Joined: Feb 07, 2010
Posts: 3085
Trade Rating: +12
Location: Essex
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| Lee wrote: |
| They should be within about 10% of each other shouldn't they? |
Yes they should.... keeping the plugs for each cylinder in order can be useful too
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Posted: Sat Oct 08, 2011 8:59 am |
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Joined: Sep 03, 2010
Posts: 979
Trade Rating: +6
Location: Biggleswade
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Thanks I will do, I think its a screw in 1 he's got, i hope there all around the same
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Posted: Sun Oct 09, 2011 5:47 am |
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Joined: Sep 03, 2010
Posts: 979
Trade Rating: +6
Location: Biggleswade
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Just done my compression test, the results are cylinder 1: 148psi, 2: 150, 3: 152, 4: 150
Do them results sound about right
Thanks Dan
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Posted: Sun Oct 09, 2011 6:50 am |
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Joined: Feb 07, 2010
Posts: 3948
Trade Rating: +7
Location: A Track near you ;)
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There all round about the same so yea
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| Renault Clio III RS - Race Car 
Renault Trafic - Daily & Tow Van
Former Poverty 206 XS 1.6Turbo Owner  | |
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Posted: Sun Oct 09, 2011 7:00 am |
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Joined: Feb 07, 2010
Posts: 3085
Trade Rating: +12
Location: Essex
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not a lot wrong there.... why did you test it. Was something not right?
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Posted: Sun Oct 09, 2011 7:34 am |
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Joined: Sep 03, 2010
Posts: 979
Trade Rating: +6
Location: Biggleswade
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That's okay then  my friend just had 1 so thought I would just check them
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Posted: Sun Oct 09, 2011 7:59 am |
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Joined: Sep 03, 2010
Posts: 979
Trade Rating: +6
Location: Biggleswade
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Also would it be normal for it to bring on Eml after, it has now turned off but took a drive and a turn off turn on to do so, the only reason I can think it came on is due to turning the car over with no coil pack plugged in,
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Posted: Sun Oct 09, 2011 8:00 am |
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Joined: Feb 07, 2010
Posts: 13077
Trade Rating: +65
Location: England
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Yeah that sounds plausible due to the ECU detecting a error
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Posted: Sun Oct 09, 2011 11:20 am |
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Joined: Sep 03, 2010
Posts: 979
Trade Rating: +6
Location: Biggleswade
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I hope that was the cause, ill plug it in on the scanner next week and see
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Posted: Sun Oct 09, 2011 12:09 pm |
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Joined: Feb 08, 2010
Posts: 10151
Trade Rating: +12
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don't quote on me but the value seems low to me
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Posted: Sun Oct 09, 2011 1:52 pm |
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Joined: Feb 08, 2010
Posts: 901
Trade Rating: +1
Location: Istanbul / Turkey
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I think its to low. 100.000 km GTI138 engine giving 160 psi with stock 10.8:1 compression ratio. 11:1 CR GTI180 engine should be much more than GTI138. I guess 165-170.
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| 2005 206 RC RED
Bilstein B14 Coilover / Brembo 4 Pot Front 330x28 - Rear 325x8 / Quaife ATB Limited Slip Diff / Janspeed Catback
Lot's of CNC machined customs pars. | |
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Posted: Sun Oct 09, 2011 2:15 pm |
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Joined: Sep 03, 2010
Posts: 979
Trade Rating: +6
Location: Biggleswade
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Hmm well I did only let it turn over twice or so, that could be why I hope
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