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Author: Subject: C20xe adjustment
stevegough

posted on 30/4/11 at 10:39 AM Reply With Quote
C20xe adjustment

At my IVA test, the tester said my engine was running 'lean' and showed me a blanking plug on the side of the air mass meter, said there was an adjustment screw underneath to adjust the mixture - anyone know how to use it? - ie to make the mixture richer, prise out the plug, then turn the screw clockwise? - Do I need to refit the blanking plug?

My engine is running exactly as it was in the Calibra, ie standard injection, manifold and Motronic ECU.
The engine seems to run well, but tends to missfire a little on hard acceleration - could running lean cause this?

Lots of questions in one post, I know, but theres lots of experts out there!

Thanks in advance, guys!





Luego Locost C20XE.
Build start: October 6th 2008.
IVA passed Jan 28th 2011.
First drive Feb 10th 2011.
First show: Stoneleigh 1st/2nd May 2011.
'Used up' first engine may 3rd 2011!
Back on the road with 2nd engine may 24th
First PASA mad drive 26/7/11
Sold to Mike in Methyr Tydvil 19/03/14

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Ben_Copeland

posted on 30/4/11 at 12:00 PM Reply With Quote
c20xe adjustment
c20xe adjustment


There ya go...



[Edited on 30/4/11 by Ben_Copeland]





Ben

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Ben_Copeland

posted on 30/4/11 at 12:03 PM Reply With Quote
If you want a bigger version you can actually read (resizes too small) i'll email you the piccy...





Ben

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Z20LET Astra Turbo, into a Haynes Roadster

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http://www.facebook.com/EquinoxProducts for all your bodywork needs!

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stevegough

posted on 30/4/11 at 12:13 PM Reply With Quote
Thanks, Ben - you have U2U.





Luego Locost C20XE.
Build start: October 6th 2008.
IVA passed Jan 28th 2011.
First drive Feb 10th 2011.
First show: Stoneleigh 1st/2nd May 2011.
'Used up' first engine may 3rd 2011!
Back on the road with 2nd engine may 24th
First PASA mad drive 26/7/11
Sold to Mike in Methyr Tydvil 19/03/14

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perksy

posted on 30/4/11 at 04:45 PM Reply With Quote
Lean running could cause your missfire ( aswell as a few other things tbh )


Would be worth getting a CO meter on it if you are going to adjust the mixture though as Too Rich a Mixture can cause problems aswell

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stevegough

posted on 30/4/11 at 06:52 PM Reply With Quote
quote:
Originally posted by perksy
Lean running could cause your missfire ( aswell as a few other things tbh )


Would be worth getting a CO meter on it if you are going to adjust the mixture though as Too Rich a Mixture can cause problems aswell


CO on the IVA test was 0.24 as I remember - the limit for my car was 3.5.





Luego Locost C20XE.
Build start: October 6th 2008.
IVA passed Jan 28th 2011.
First drive Feb 10th 2011.
First show: Stoneleigh 1st/2nd May 2011.
'Used up' first engine may 3rd 2011!
Back on the road with 2nd engine may 24th
First PASA mad drive 26/7/11
Sold to Mike in Methyr Tydvil 19/03/14

View User's Profile E-Mail User View All Posts By User U2U Member

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