Chukkieegg Posted July 21, 2021 Report Share Posted July 21, 2021 OK so ever since I had my 2.5 boxster it's trips engine management light every few weeks I read the dtc's and clear the codes which are always State voltage signal emissions Misfire cylinder 1misfire cylinder 2 misfire cylinder 3 and sometimes the other 3cylinders as well Car has had new cats and o2 sensors in last 3months coil packs and plugs when I first bought it and it's still tripping the engine management light Also fast idle emissions are high at mot so think it's all connected I have contacted revolution porsche and they can't book it in to second of Oct at earliest as they are busy but on the info I supplied him they think cam deviation error /chain guides and they don't think a non porsche specliast would have the kit to diagnose this. So is it worth trying another porsche specliast and if it is chain guides is it worth spending the money on they quoted around £1500 It does rattle for a few seconds on startup first thing in morning so sort of makes sense what he is saying Do I keep running it and keep knocking light off or is it time to let it go not sure I want to chuck another £1500 at it or do I try and get it diagnosed at another porsche specliast but none local to where I live Any ideas or advice welcome Regards chukkieegg Quote Link to comment Share on other sites More sharing options...
edc Posted July 21, 2021 Report Share Posted July 21, 2021 Somebody local with durametric can check the cam deviation. Quote Link to comment Share on other sites More sharing options...
the baron Posted July 21, 2021 Report Share Posted July 21, 2021 2 minutes ago, edc said: Somebody local with durametric can check the cam deviation. ^^^^This or try another specialist, I personally would be reluctant to drive it. My car is a keeper so would spend the money sorting it. Quote Link to comment Share on other sites More sharing options...
Chukkieegg Posted July 21, 2021 Author Report Share Posted July 21, 2021 9 minutes ago, the baron said: ^^^^This or try another specialist, I personally would be reluctant to drive it. My car is a keeper so would spend the money sorting it. Just emailed a local vag specliast and the car runs fine so revolution did say also could be an air leak which is why I want to get it diagnosed before I go any further Quote Link to comment Share on other sites More sharing options...
the baron Posted July 21, 2021 Report Share Posted July 21, 2021 Hope turns out to be an air leak, should be a cheaper fix Quote Link to comment Share on other sites More sharing options...
Chukkieegg Posted July 21, 2021 Author Report Share Posted July 21, 2021 13 minutes ago, the baron said: Hope turns out to be an air leak, should be a cheaper fix Yes hope so I love the car but at Mo seems I am spending every week on it but to be fair I knew nothing about porsche when I bought it so if it did go know a lot more now and it would be another boxster but hopefully won't come to that Quote Link to comment Share on other sites More sharing options...
edc Posted July 21, 2021 Report Share Posted July 21, 2021 It could be an intake leak. You can clean of the intake tract and if you haven't already clean up the throttle body and plenum. Then get some carb cleaner and spray around any joins. If there is a leak it will be sucked in and you will notice the change in engine note. Inspect any vacuum pipes too. They can perish and go brittle with age. Quote Link to comment Share on other sites More sharing options...
Chukkieegg Posted July 21, 2021 Author Report Share Posted July 21, 2021 1 hour ago, edc said: It could be an intake leak. You can clean of the intake tract and if you haven't already clean up the throttle body and plenum. Then get some carb cleaner and spray around any joins. If there is a leak it will be sucked in and you will notice the change in engine note. Inspect any vacuum pipes too. They can perish and go brittle with age. Well got it booked into strasse porsche for 31st Aug for engine diagnostic and get to see me sis as well as she lives just out of leeds Quote Link to comment Share on other sites More sharing options...
Chukkieegg Posted July 21, 2021 Author Report Share Posted July 21, 2021 Did clean out throttle body when first had car but don't know enough to check where the vac pipes run Quote Link to comment Share on other sites More sharing options...
edc Posted July 21, 2021 Report Share Posted July 21, 2021 You don't need to know where they run. Just check any vaccum pipe running off the intake. If you have removed the TB before then make sure the rubber couplers are seated correctly and you haven't trapped or pinched anything putting it back together. 1 Quote Link to comment Share on other sites More sharing options...
Chukkieegg Posted July 21, 2021 Author Report Share Posted July 21, 2021 2 hours ago, edc said: You don't need to know where they run. Just check any vaccum pipe running off the intake. If you have removed the TB before then make sure the rubber couplers are seated correctly and you haven't trapped or pinched anything putting it back together. From memory there is one vac pipe about 2mm in diameter and its plugs into one of the rings and I know that one is in but will try and check the ring seating at weekend thinking about it if it was cam deviation then I would expect it to run like a total dog and it don't so hopefully an air leak but even if I can't solve it at least once been to strasse I will know what I am looking at and then can work best course of action from there Quote Link to comment Share on other sites More sharing options...
Sanky Posted July 23, 2021 Report Share Posted July 23, 2021 On 7/21/2021 at 11:03 AM, Chukkieegg said: Well got it booked into strasse porsche for 31st Aug for engine diagnostic and get to see me sis as well as she lives just out of leeds Did you try Performance Porsche or Porsche Euro which is in Barnsley. I wasn’t happy with the service received from Strasse and would never use them again after they cost me a replacement engine when doing the IMS replacement. This IMO of course. Quote Link to comment Share on other sites More sharing options...
edc Posted July 23, 2021 Report Share Posted July 23, 2021 @Sanky what's the story with the replacement engine? Quote Link to comment Share on other sites More sharing options...
Sanky Posted July 23, 2021 Report Share Posted July 23, 2021 18 minutes ago, edc said: @Sanky what's the story with the replacement engine? Timing chain jumped a cog or two after having the IMS replaced by Strasse. Possible causes seals not replaced on the tensioner bolt or stretched chains. Either way Strasse should have carried out cam shaft deviation check before starting the work and replaced the seals on the tensioner as standard practice. Quote Link to comment Share on other sites More sharing options...
Chukkieegg Posted July 23, 2021 Author Report Share Posted July 23, 2021 Well I booked it in for engine diagnostic to see if it highlights or pinpoints the issue so hopefully they won't do any other work without my OK the first place I tried who couldn't get me in untill October was revolution not living in that area I don't know what porsche specliast there are but nothing in Stoke where I live and at least I get to see my sis as she lives near leeds Quote Link to comment Share on other sites More sharing options...
the baron Posted July 23, 2021 Report Share Posted July 23, 2021 2 hours ago, Sanky said: Timing chain jumped a cog or two after having the IMS replaced by Strasse. Possible causes seals not replaced on the tensioner bolt or stretched chains. Either way Strasse should have carried out cam shaft deviation check before starting the work and replaced the seals on the tensioner as standard practice. Ouch, i presume they shirked responsibility, how much did that cost you to sort? Quote Link to comment Share on other sites More sharing options...
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