Home > Technical (L322) > 4.2 SC lean codes |
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mgrover Member Since: 03 May 2020 Location: Leeds Posts: 399 |
yeah atm am just trying to fix petrol |
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6th May 2020 11:27am |
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Danwilderspin Member Since: 15 Jun 2016 Location: Cambridgeshire Posts: 2215 |
Also Haylands - I was always under the impression that if they ran lean the engines ran hotter and that too caused vsr? Current stable:
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6th May 2020 10:00pm |
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mgrover Member Since: 03 May 2020 Location: Leeds Posts: 399 |
the bitch is currently leaking ACE fluid haha, so ama try some power steering additive to see if thatll stop it and if not looks like am forking out 300 for pipes and who knows how much headache haha |
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7th May 2020 1:38pm |
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Haylands Member Since: 04 Mar 2014 Location: East Yorkshire Posts: 8189 |
VSR from too rich because the dry LPG gives no lube to the valves, the more there is the more the problem, and as you say a week mixture will mean hotter EGT and take out the poor little valve seats... they get it all ways..!! If they run lean they tend to run lumpy and you know something is up, if they run rich they usually feel ok so the inexperienced will leave it because they think it runs OK, I worked for a company some years ago designing installations and the most common thing they did when servicing and repairing other peoples installs was tune them properly because they were running rich...! Pete __________________________________________________ 2014 L405 Autobiography SDV8 4.4 Loire Blue Ebony interior 2011 L322 Vogue SE 4.4 TDV8 Baltic Blue. Parchment over Navy Interior. Sold 2012 L322 Autobiography 5.0 Supercharged Ipanema Sand, Jet Interior. Sold 2002 L322 Vogue 4.4 V8 Epson Green, Ivory over Aspen Interior (Fatty Offroader) Sold -Click for Project Fatty off roader- |
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7th May 2020 1:46pm |
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Haylands Member Since: 04 Mar 2014 Location: East Yorkshire Posts: 8189 |
May I suggest that you repair the leak properly and not use an additive that will attack all the rubber in the system and make it swell, hopefully stemming the leak for now but rotting the whole system in the long run...!!! Pete __________________________________________________ 2014 L405 Autobiography SDV8 4.4 Loire Blue Ebony interior 2011 L322 Vogue SE 4.4 TDV8 Baltic Blue. Parchment over Navy Interior. Sold 2012 L322 Autobiography 5.0 Supercharged Ipanema Sand, Jet Interior. Sold 2002 L322 Vogue 4.4 V8 Epson Green, Ivory over Aspen Interior (Fatty Offroader) Sold -Click for Project Fatty off roader- |
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7th May 2020 1:49pm |
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mgrover Member Since: 03 May 2020 Location: Leeds Posts: 399 |
oh definitely its gonna be redone, the pipes are on there last legs. |
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7th May 2020 2:22pm |
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Danwilderspin Member Since: 15 Jun 2016 Location: Cambridgeshire Posts: 2215 |
How are you getting on? I meant to say to you do you have an iid tool to reset the engine adaptions? That would make a big difference - I reset mine it runs okish for about 20 miles then I guess once it’s learned it’s silky smooth Current stable:
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10th May 2020 5:00pm |
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mgrover Member Since: 03 May 2020 Location: Leeds Posts: 399 |
Nah not at the moment, am waiting for ace pipes first. then ill change over sensors. then yeah reset adaptations |
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10th May 2020 5:01pm |
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Danwilderspin Member Since: 15 Jun 2016 Location: Cambridgeshire Posts: 2215 |
Ace pipes? It will make a big difference the adaption especially if it ran crap on gas and then you had the valves done - definitely recommend it and getting an iid tool - if you look on here you can often pick up a classic for £120 or less the you just pay £25 ownership transfer and it can do all the adaptions etc Current stable:
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10th May 2020 5:26pm |
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mgrover Member Since: 03 May 2020 Location: Leeds Posts: 399 |
yeah there the pipes that supply the oil to the fancy anti roll bars.
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10th May 2020 7:44pm |
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Danwilderspin Member Since: 15 Jun 2016 Location: Cambridgeshire Posts: 2215 |
Classic works fine for adaptions and 90% of other things including updates - only thing is it’s all on the cluster (certainly on the l322) or a wired laptop - is double check the are good with l320 Current stable:
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10th May 2020 7:55pm |
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mgrover Member Since: 03 May 2020 Location: Leeds Posts: 399 |
ill see if i can find one of em, am proper tempted to full the trigger on one. i do have a question when you reset adaptations do the long term fuel trims go back to zero or do they just stay what they are till they start updating again?
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10th May 2020 7:57pm |
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Danwilderspin Member Since: 15 Jun 2016 Location: Cambridgeshire Posts: 2215 |
They reset to 0 - what are your trims like then? Can you see ? That is one thing the classic can’t show fuel trims - only bt I believe Current stable:
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10th May 2020 8:02pm |
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mgrover Member Since: 03 May 2020 Location: Leeds Posts: 399 |
the issue is there different in different parts of the rev range. at idle they are 5% ish lean, but at 1.5k rpm they are like 20% lean. thats long term anyways. other parts of the rev range they are fine, at around 3k they are very lean as well. if i keep the car constantly revving at 3k rpm it'll throw a reduced engine mode but won't actually throw any codes. |
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10th May 2020 8:04pm |
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