Fixing the intermittent start/cut-out problem on my Porsche 996.1 Carrera

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After five weeks away with specialists Wrightune, my Porsche 996.1 Carrera named 'Little Irish' is finally back on the road after an intermittent issue which affected starting and cutting out at the lights. So what was the problem, and how was it fixed? This video reveals all!
Thanks to Wrightune as always for their diligence and hard work on the 911. For more information on their services contact Chris at Wrightune for visit www.wrightune....
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[@TheFleetflyer]

Thanks so much for making this video, you’ve definitely added to the pool of troubleshooting knowledge for our cars.

[@9WERKSTV]

Exactly why we roll the cameras, to help out this amazing community of like-minded enthusiasts enjoying a heavily underrated 911 platform. I hope it helps others at this point or sometime down the line.

[@dannsmcshane1233]

How's the clutch up grade

[@Phil99six]

It’s great that you have a shop willing to diagnose the problem instead of just throwing parts at it. Hopefully it fixed now

[@finnq]

Great video. I used to have a 996, but now have a 993, partially because I wanted something more analog that I could work on. Working on these older cars can be so rewarding and also frustrating. I’ve really enjoyed your journey repairing Little Irish, keep it coming 👊🏼

[@MichaelAMangone]

I had to replace the ICV (BMW Z3 M52 uses the same Bosch unit, and it costs 50 USD), the brake booster elbow (I used a solid rubber unit from a Ford F250 because those gray circlips fall out in the Porsche unit, and it was 3.00 USD), and the EVAP sensor (you can save a lot just buying the bare sensor and adding a length of hose, and it was 25 USD) just like you did. However, I also needed to create positive vacuum to reveal a leak from the intake manifold flap. You can cap it off with a rubber cap from a hardware store, and it was 2.50 USD. I wouldn't be surprised if you have the same leak, and it just hasn't been found. I really had to work to reveal it: first the TB gasket leaked, then the brake booster elbow, then the ICV, and finally, after replacing all of the aforementioned parts, I found the final leak: intake manifold flap joint.

[@warrenlucier5796]

Nothing better than a good and honest garage with a wealth of experience in the models you have. Seems that several thing were amiss, due to the aging process, and hopefully the stress test goes well with Little Irish, so you don't have to stress about it either.

[@richardsholl5977]

Let’s hope she’s sorted! The passion for ‘your’ 911 shines through Lee. 👍👍👍

[@bangkokballer4103]

Fingers crossed Lee it’s sorted.. The smile is back on your face which is the main thing

[@carfan3762]

Happy for you ! We do get rather fond of our favourite four-wheeled companions 😎

[@9WERKSTV]

Thank you, and yes we do!

[@timmusick9875]

Impressed by your mechanics and their ability to explain their troubleshooting processes. As in aviation, and despite the occasional bills, competent Porsche mechanics are a part of the pleasure of Porsche ownership.

[@kevinneary2283]

Great to see you back in the car . I had an issue 20-30 years ago 911 2.7s went into Porsche chariots in St Albans presented with a massive bill at the end begrudgingly paid them got a few miles down the road same issue obviously went mad at them pointless.I then took the car to Autostrasse in coggeshall . Turned out a hairline crack in the airbox absolute gods .

[@rossbethell4187]

This is awesome content. What a place wrightune is. They approached it properly and took the time and effort. The second guy knew his stuff in the (w)right way and that’s so refreshing. So many techs now can’t diagnose anything without a laptop and as said that doesn’t give the issue all the time, just a symptom. Understanding the car as a system and then the subsystems and having a mind callable of seeing the full picture and the interactions is what’s needed. Sounds like you chose wisely.

[@2HRGS]

Whatever’s going on under the bonnet, Little Irish is looking fantastic Lee!

[@9WERKSTV]

Thank you!

[@francescorochira773]

Nice to see it back on the road Lee. These are great cars and in my opinion underrated. Keep up the good work. Cheers

[@GrahamPatterson-w4j]

Good to see Little Irish back on the road Lee. Hopefully you will have a period of problem free motoring over the coming months which will rebuild your confidence in the car.

[@9WERKSTV]

Thank you, fingers crossed… all good so far!

[@davidclarke7728]

I don’t drive one of these but I like to see other makes being enjoyed and fixed , great garage you used , obviously a wealth of knowledge

[@speedyben]

Good advert for Wrightune! Still waiting on the Anniversary review!

[@9WERKSTV]

Will do the Anni review this year, I promise!

[@petersmith2650]

Great job Wrightune, keep up the awesome work and customer service👌

[@digilux4017]

What was the problem, Y-cable…?? Edit: saw the full video: a cocktail of issues in other words, glad you had it fixed👍👍

[@cotswoldphotographers]

Really interesting and fingers crossed it’s fixed. Excellent garage and really good to see how these guys work 😀🤞

[@jeffclark9441]

best news of the day. so pleased you got her diagnosed and cured! your mechanics seem like outstanding guys

[@saquibramday]

So pleased to see Little Irish back on the roads and the smiles on your face! Well done to the team at Wrightune

[@mattsmith6514]

Great video - great explanation of their diagnostics!

[@SpencerF6]

I've always thought that those 997 seats look odd in a 996. After recently sitting in a 987 with sports seats, I get it. They are so much better than the 9x6 sports seats. So comfortable and much more supportive.

[@9WERKSTV]

Glad you've come round to them, they are THE choice for 9X6.

[@RUNDMC1]

@@9WERKSTVI’m going to throw a curveball in there with the sports seats with XSU option (standard on the 996 Targa). No idea why they weren’t standard on all 996s!

[@craftingmat5425]

I really love little Irish... this color, the rear spoiler, the wheels, all the little things you changed (love the 997 seats - had a 996.2 a while back now and the seats are definitely a downer on the 996s). To me it looks better than the 40th anniversary. Congrats to this nice Porsche, now lets hope it will be fine for some time again.

[@9WERKSTV]

That's so kind of you to say! I am sincerely fond of the car also. Every mile is a genuine pleasure.

[@Petrol_fix]

Hope it’s been sorted sir! Cheers to many more miles.

[@Henders72]

Superb, glad to see the car running well again.

[@marcusslade9804]

Nicely done, Lee, and kudos to the folks at Wrightune. I’ve owned my 01 996 C2 since new and since retiring only turned to doing my own maintenance on it this year. I had always wanted to get back to doing some of my own work and had forgotten how satisfying it feels to complete a given service job…even routine ones. That said, I felt I really went to school on diagnosis with the issues covered in this video.

[@9WERKSTV]

Whoa, love the fact you've owned your 996 since new! That's so cool. They are looking better and better, in my view, with age!

[@daggidding4478]

Hopefully the problem is solved. From experience I know how frustrating it can be not finding the cause.

[@machohogan]

These videos make me so damn happy. Pure enjoyment

[@adrianparsons8182]

65% is a low number alright the next test i would have done is to see if the maff sensor was under reporting the amount of air being drawn in as the maff sensor is the main sensor used in the ve calculation .What were the fuel trims showing?

[@flat6croc]

I love that steering. But like you, I drive my P car a lot and drive it hard. I just can't get my head around removing the air bag...

[@simc444]

Nothing worse than a Porsche that drives well but have some annoying unsolvable gremlins. Your story is a feel good story for all old Porsche lovers.

[@9WERKSTV]

That's so kind of you to say, thank you.

[@johnmorrison27]

Brilliant content as always glad you got it sorted 👍👍

[@leeevernden]

Nice one Lee, glad it all appears to be sorted 🤞🏻

[@9WERKSTV]

Thank you, me too!

[@EG3HC]

Glad the issue is fixed. Does it feel better to drive now for having vacuum issues fixed/increased volumetric efficiency?

[@peterrandall3369]

Was that a little drive back from Moor Critchel I noticed

[@Hubbahubba40]

Really pleased. Intermittent faults are a bitch. Fingers crossed its sorted 🤞

[@robinsongalaxie500]

Have you talked about your in car telephone set up?! Does it still work?

[@alexanderbellizia7126]

If anyone's still in here... I've had some of the same symptoms and ended up swapping the same part in the engine bay (fuel bleeder valve thing...) and it improved somewhat but not entirely, but it also created another problem and that is that I'm struggling to put fuel in. I have to do it really slow or it just spits it out again. So obviously some sort of vacuum issue but what could have caused it?

[@volida1]

Hi Lee, the sound on startup, like a rattle, is it normal?

[@GetUpFalcon]

Handsome car little irish. Being nurtured the way a car ought to be.

[@darrenit7498]

I said it was The purge valve

[@rocketballa4life]

Is that a builtbybasil knob? How did you get it attached so nicely into the boot?

[@9WERKSTV]

Cut the factory boot as high up the original knob as I could, folded it down onto the BBB shaft and pinned it from the inside.

[@ukwan]

As an electronics engineer who fixes stuff for a living, there's nothing worse than an intermittent fault. 😅 They can be a complete ball ache.