How To Fix Mini Cooper Engine Light! *p0420*
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- Опубліковано 7 лип 2019
- The mini has recently had a engine light on and today i fixed it.. Watch and enjoy!
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I always thought that P0420 meant you need to go and smoke a joint as the car is going to cost you some money :)
Or just smoke some Bob Marley lol 😆
Cut the cat open just for griefs sake 👍👍
The old cat is worth some money. Full of precious metals!
YES another MINI video. Just purchased a 2003 MINI Cooper S (R53) with a John Cooper Works Tuning kit ---> 15% supercharger pully, JCW Remapped ECU, JCW induction kit I think and a JCW exhaust. 200 bhp I think, great fun to drive !!!
I love how your channel relates just to the every day type of cars man. Not like you aim to please everybody it’s just good to see it’s no all about BHP an decal stickers😂. Keep doing your thing man❤️
MrPhildo98 appreciate you mate
I’m toying with buying an old mini for work and I’ll be glued to your vids on it. Top Man , James!
Dude! Your camera angles are impeccable. Thank you for doing such a thorough video.
Great job all round. Bit of a pain pulling the old exhaust out but that's the joys of working on small cars isn't it. Bet the GF is well pleased with it. That wrench is super handy as is your dad playing cameraman 😁 I watched your Mondeo diesel injector replacement video earlier. Great that your dad gets stuck in with you. Great stuff mate 👍🏻
Did exactly that very same job two weeks ago. Only differences I removed the rocker cover and it came out much much easier rather than forcing anything out of the way. I put on a stainless steel unit in the hope it would last longer.
Cheers Jon
Lovely to see an upload after work cheers James
Loving the mini vids, I don’t even own one but it’s mega interesting watching the step by step stuff. Keep doing your own thing dude your videos are quality 👌🏻
Glad it worked out, it's great to see the worked carried out step by step ,, great vid 👍
I recently had to do this on a citroen c1 and i can tell you now it is the easiest car ive ever worked on in my life
Great video. Don't matter how the exhaust comes off as long as you achieve a result 😎👍
Love the eye stickers on the inter wheel guards under the bonnet lol 😂
Don't know how I watched the entire head gasket series and didn't notice that on the top side of the front wheel arch guards there are eyes on the front.
CarlGB i put them on at the end 😜
The mini is a cute car. Great vid James. Loving the content.
I’m getting my daughter a Mini of a similar age so your videos will come in handy thanks.
Thanks, really enjoyed watching your video. You did all that and still have time for your dad to come over for tea! 👍👏. Don’t forget to top up the coolant.....
Get that handbrake adjusted, looks more like a second gear stick!! ;-)
it's so easy to adjust on bmw minis.
Great video. Thanks for all the wonderfully useful info~
How much would I love this guy to live on my street..& I have mini Cooper s with ecu light on..ive watched twice & im back again to try & understand.
Love these long vids bro keep up the good work
Well done bud. Its hard enough to do these jobs besides filming it at the same time. All good too.
I like that Sealey Ratchet, looks really handy and reliable.
Me 2 years later: cut it open! 😂
Niceeee I just installed this exact car yesterday to my mini!
That sealy socket driver works a treat !
Been binge watching all your vids. getting prepared to swap out the exhaust on my 06 r50 base. little disappointed with the underwhelming performance. any recommendations on other small upgrades to give a little boost? hoping ill get a tiny bit out of better exhaust
I have a 2001 mini one yes it's a pile of scrap but love it . This weekend changing exhaust for sports one and video will help me do mine thanks
Tut tut fancy losing a washer for the steering fluid reservoir mount 😂😂
I noticed that.
Love the eyes under the bonnet lol
those gloves take a battering!!! i recommend toolstation's Palm Gloves to work on cars
William Hobbs yea these ain’t cut out for it really but they’re cheap
I suggest to man up and suck it up... 😂
Nice job James. I'd put some protective sleeving on that o2 sensor wire though where it's running against the edge of that heat shield.
Top video my man. Keep em coming 👍
Another good one James
Great video yet again.
Great vid. Do you recommend that sealey cordless ratchet?
Also what green socket holder is that?
well done mate .very good video
Spark plug thingy ma jiggy 😂 bet that doesn’t come up on euro car parts James 😂 think you were looking for the words coil pack lol, great work though keep it up, best to take it for a run to see if light comes back on though I’d say
Hi James,what a pig that was,I thought there might a easier way to take out but it got stuck.the before and after readings was better.great video.
Air leaking into the exhaust from a crack or dodgy gasket/ flexi will cause the code as well
You really should get the bmw hockey puck for the jacking points, your relying on a piece of plastic to hold the weight of the car, the Jack points just pop out and deform if jacked wrong.
That lump is a pre cat
very informative, thank you
I had same issue and then the mesh connection broke off. I just straight piped it. And it sounds very nice. Don’t know if you can do that in the UK.
And you didn't swear once, well done young man.
Wow looks like a dose of cataclean might have sorted that. Yes do an autopsy plz James. Happy p0420.
Mind you it was probably knackered by the bad head gasket so maybe check the fuel trims for rich etc.
Nice video, what are the tools you use to remove the bolts ?
Love it code 420 related to running rich/ smoking 🇯🇲😁
Great vid. Thanks for sharing.
Correct... while in closed loop and up to running temp, sensor 1 reading will bounce up and down (lean to rich) while sensor 2 should be constant (indicating the cat is doing it's job). Had the same on a Zafira with the same engine as your Astra... turned out the cat had completely disintegrated with bits of it rattling in the silencers. Still bloody ran though lol
Nice fix james
1 dislike, must be an Ipswich Town fan lol....,cheers for the vid...
James the Topdon ODB reader your using does it stream live ABS data or just clear the ABS codes ?
Great video, will this scan tool programme new diesel injectors on toyota hilux? Apparently you need to go through a "learn" cycle?
I just had to fix the p0420 code on my cousin's polo a couple of weeks ago, we just put some wynns catalytic converter cleaner in the fuel tank and cleared the code after a couple of days and it seems to have fixed it.
That would be my 1st call before buying a new cat
@@wenstafarni yeah we thought we might as well give it a go for only £8 and it has seemed to have done the trick
Hi mate what TOPDON scanner is that? Looks a good bit of kit for a home tech. Thanks
Good looking mechanic,, clever as well :-)
Great video 👍
Really interesting thanks.
Can you please make a video about it obd sensor and how u diagnose the mini ?? Engine oil clearance......etc
Good vid. Could have taken the top engine mount off and pulled the motor forward to give a little bit extra room.Well done describing the voltages, you could have said the pre cat sensor is switching (instead of jumping around) as it shows rich/lean.
18:25 spacer down.
28:00 lost in the depths forever.
My Toyota Yaris 2008 had a P0420 code, I was told having a aftermarket one is risky coz the code can come back up again, so 3 garages have told me to get a genuine Toyota one and Toyota said it will cost be around £400 including vat to get everything fixed. But loads of garages have said putting a higher octane gas will clear it out, I’ve done this and I think it’s worked as the light hasn’t come back on since May.
Be great to see the inside of a cat! I’ve had a dodgey cat on my Corsa. So good to see how they fail
I feel like u should paint over the chrome with black plastic dip and look at investing at the new style mini headunit with the screen a company made one which plugs straight into ur year of mini
well done lad
Brill video what's happening to the focus keep up good work
Hi have you done the power steering pump on the mini just wondering how easy it was or how hard it was as I've just bought a mini that needs some working doing on it at the min my steering is not the best as its slightly hard I've checked my fluid and its low so don't know if that's the problem till tomorrow as I'm going to New fluid in and see if that's the problem and is there anything that I should keep a eye out for
What tends to happen when the head gasket goes is silicon used to seal gets into the cat. Had this happen on a c3.
Had same code on missus Clio, rarely used so a good Italian tune up and some millers no more codes and that was 6mths ago
Nice one!
Hi I would off got two new ones as you are doing all that and it sould off come out for under it nigel
You should have used anti-seize compound on the o2 sensors because if they are taken out again you might not get them loose?
Just be careful when reading o2 sensor voltages. On some cars the sensor 1 should read a constant 1V, like on the golf mk4. Just so you dont change sensors for no reason
Lol...it will always feel like déjà vu with a Mini...I remember commenting on your previous vids saying this will be nothing but trouble
A Darbs any bmw will be a money pit until it’s all renewed poor German design
Hi thanks for sharing this video .I was wondering do you might have a clue what’s happening with my mini as the readings of the b4 cat oxygen sensor is reading at 1.53 steady and the after cat oxygen sensor is reading like yours 0.7 and I have a increased mission light on. ?????? Help!
Hope you can help me I have a 52 1.6 petrol mini and the oil light comes on when on tick over but as soon as I drive it goes out any idea cheers
Bank 1 sensor if its an O2 sensor should oscillate between 0.1-0.9V as the car will switch between rich and lean. This is done to keep the chemical reaction in the cat optimal for burning off harmful products of combustion. The second sensor once the cat is warmed up should read lean as the cat will have burned off everything. If its fucked then sensor 2 will be oscillating just like bank 1.
Also keep in mind that many newer cars now use Air Fuel Ratio sensors or "wide band O2" where they will display a fairly consistent voltage of something between 3 and 4 volts depending on the manufacturer. Toyota were one of the first to adopt these. Normally these systems have a sensor 2 as a conventional O2. These AFR sensors are more difficult to test as they generate a tiny current. The voltage is a fictitious value generated by the ECU.
Nice one 👍
Did the engine drive any better?
That new manifold / down pipe & cat looks the dogs bollocks and looks alot less restrictive that the original one 🚗💨
Hi, this is my first time joining. I just purchased a 2016 countryman. I was wondering if you could give me info. On the eyes for your headlights. I love those
Existing manifold has a pre-cat. Your new one doesn't appear to have one?
Lost the washer for the power steering bottle 😂 ....
How to fix bad Cat:
1. Ignore light
2. Keep Driving
3. Save lots of money on something that is only for emmissions
So the engine chck just for emission only
Would you be so kind as to share what shop on ebay you purchased from?? I have seen mixed reviews saying some items didnt work from sellers and i would like to kmow one to trust. Also what was the total cost for the converter and both OX sensors ??
I'm having this same code on my r56 cooper and I'm thinking I need to replace the cat as well.
I have the same issue...km 135655 2009.Mini regular not turbo...I have the engine light on for 6 months now but I am not experiencing rough idler..Can I still drive the car even the engine light or would give me problem down the road. PLEASE ADVISE..thanks
SAM
time to blaze it up.
Hi, my check engine light on today . It say catalytic converter defect . But I have change it one month ago . Anyway I erase the code and check engine light gone . So my question is will it come back again. If so how long it will take to come back. Thanks
Golf 5 ( 2008 )
1.4 patrol engine
I drove with bad kat about a week but no engine light on and after I drove another week without Kat no engine light on . When I change my both Kat and drove 500km not engine light. Then I put fuel injector cleaner and drove another 150 km . And after engine light on and it says on my obd2 Kat defect.
Have you weighed that in yourself and make some money back. I done mine on a Honda and had £75 scrap value on it
Good vid as always, just scrap the old cat and get a few quid back
What gloves are those any good??
Ah when I was a lad, the only engine light we had for a mini was the oil pressure light. To make it go out, you added oil. Mind you, it would come on at about 5psi, telling you that you've just killed your engine anyway.
Have you got a link to the obd reader please
Scrap it & then you will get a few quid off the new one.
Just had the 02 Lambda sensor changed on my R56 Mini One.
Did your mpg go down? Before changing it?
My Cooper is using allot of fuel and tiny bit sluggish sometimes. No engine codes tho. Could this be it?
My mini engin management light comes on when I've done a long distance or high revs.. comes up with emissions...how can I sort this ? Thanks
Hello :) I have Opel Astra 1.6 16v z16xe engine. I have code P0340 only when the car is in operating temperature. If I switch off than on, the code appears and check engine light, and it's in safe mode (3500rpm max and it's lazy) Is that bad ECU?
Predrag Vujić you must replace the camshaft position sensor then remove the Codes then should run perfect again if not disconnect the ecu for 10 mins then pulg it in just make sure the battery is disconnected