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Author Topic: MOT Failure 2  (Read 2408 times)

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nixoro

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MOT Failure 2
« on: 08 September 2006, 07:53:54 »

Silver Omega Now >:(

I took my car in for the MOT it was flying through until the emissions test, blue smoke was pouring from the exhaust and as a result it failed.

My guess is the Cat is on its way out.

HI CO levels and excessive blue smoke.

On closer inspection I found the car had break all oil in and the garage still carried on ragging the nuts out of my car.

Oil issue was my own fault as I should have checked it.

I guess I do have one saving grace and that is I still have 7 days to take the retest, although not sure whether to just get it done and put my mind at rest.

Got it home did a full oil and filter change full tank of petrol and Redex and took it for a long run to london and back last night.

*****Warning for those who use the A1 Specs camera between Stevenage North and South 50Mph limit****

To me the drive was faultless and having had the car running this morning the only smoke visible was white due to the cold outside.

Blue smoke I know is a possible sign of valve stem seals and so long as I can get it through the MOT if it goes tits up afterwards I will just get it sorted. (fingers crossed its was just my stupidity of not checking the oil causing the smoke)

I do have a concern though as the past couple of times on first turn over its died and the EML flashes, I did the paperclip test earlier to find out the cause and it was code 1502.

1502 Immobiliser control unit n/a

Just one thing after another, but has anyone had this code before.

If so any advice would be much appreciated.
« Last Edit: 08 September 2006, 11:16:43 by nixoro »
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TheBoy

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Re: MOT Failure 2
« Reply #1 on: 08 September 2006, 08:37:41 »

Sorry to hear its failed again :(

Blue smoke = oil, hence why no oil left.  Could be as serious as worn rings, but burning oil may damage cats :(
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nixoro

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Re: MOT Failure 2
« Reply #2 on: 08 September 2006, 08:45:07 »

Quote
Sorry to hear its failed again :(

Blue smoke = oil, hence why no oil left.  Could be as serious as worn rings, but burning oil may damage cats :(

Theboy should edit the title it was the black omega that failed last time, that passed the emmissions but failed on the suspension, still to be worked on.

I am not totally sure if it is burning oil 100% only I know of an oil leak now fixed which was on the rear breather pipe and like an idiot at the time I never re checked the oil so I am just hoping the lack of oil is to blame.

What I dont get is i haven't had the oil light or signs on the dash come up.

Although when I actually dropped what oil was in it there was quite abit. still no point in making excuses.

Not sure whether to put it in for the retest and try my luck even though the cat maybe knackered and the blue smoke may re appear, I guess I dont really have much to loose.
« Last Edit: 08 September 2006, 08:48:35 by nixoro »
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TheBoy

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Re: MOT Failure 2
« Reply #3 on: 08 September 2006, 08:54:39 »

blue smoke is oil going through pistons and out of exhaust. it is not lack of oil that causes it :(
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nixoro

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Re: MOT Failure 2
« Reply #4 on: 08 September 2006, 08:55:30 »

Quote
blue smoke is oil going through pistons and out of exhaust. it is not lack of oil that causes it :(

Bugger  >:(
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nixoro

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Re: MOT Failure 2
« Reply #5 on: 08 September 2006, 09:06:36 »

What to do next, as there was no sign of blue smoke this morning even with revving I am tempted to get it retested to see if it passes.

My next option is to see about replacing the seals / gasket not sure if its worth it on a 2.0 with 137k on the clock

Or strip it for bits, shall have to give it some thought I think.
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RonaldMcBurger

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Re: MOT Failure 2
« Reply #6 on: 08 September 2006, 09:08:16 »

You can avoid blue smoke if you use fully synthetic oil like Mobil One. It doesn't burn, thus cant smoke - old trick of the trade for years ago. HOWEVER, it will still show high emmissions on the machine.

Redex will help.

If the car is worth it, drop another engine in. Not the biggest job on those. A good engine should be around £150. If not, scrap it.
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nixoro

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Re: MOT Failure 2
« Reply #7 on: 08 September 2006, 09:12:18 »

Quote
You can avoid blue smoke if you use fully synthetic oil like Mobil One. It doesn't burn, thus cant smoke - old trick of the trade for years ago. HOWEVER, it will still show high emmissions on the machine.

Redex will help.

If the car is worth it, drop another engine in. Not the biggest job on those. A good engine should be around £150. If not, scrap it.

Having done a full oil and filter change yesterday and added Redex and a full tank and a long run when I first started the car this morning all that was visible was white smoke in the cold air. no signs of any blue so not sure what to do.
« Last Edit: 08 September 2006, 09:13:17 by nixoro »
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nixoro

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Re: MOT Failure 2
« Reply #8 on: 08 September 2006, 10:14:10 »

I am guessing its a head off job to get to the valves to change the valve stem seals and also to change the piston rings if possible. (Good time to re thread the exhaust manifold bolt thread thats knackered)

Would these be the only reason for the car burning oil.

Obviously it will need possibly a whole new exhaust system but thats a benefit.

Just took the car around the estate car runs fine but couldn't tell whether the blue smoke was still present due to the sunlight.

If it is fixable and not too costly I would consider repairing what with all thats been done to it.

Any Advice would be much appreciated.

Cheers
Roy
« Last Edit: 08 September 2006, 11:56:23 by nixoro »
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nixoro

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Re: MOT Failure 2
« Reply #9 on: 08 September 2006, 12:09:42 »

Need to get onto Vx for prices can anyone confirm for me that it will be the piston rings causing my troubles if it is only this then I may be tempted to have a go at repairing it.

Can anyone suggest what bits would be needed.

I dont think the Cambelt kit will need replacing as its only done under 1k.

Headgasket set aswell

Any responses would be much appreciated.
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nixoro

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Re: MOT Failure 2
« Reply #10 on: 08 September 2006, 12:53:59 »

Well just contacted Autovaux and I am quite surprised with all the bits I need it works out to about £100+ Vat

Does the problem I have seem fixable. Sorry to Harp on about it.

Am I right to think the head wont need skimming being that it hasn't overheated at all.

Cheers
Roy
« Last Edit: 08 September 2006, 12:59:28 by nixoro »
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Re: MOT Failure 2
« Reply #11 on: 08 September 2006, 13:45:20 »

If the engine has not overheated you should not need to get the head skimmed.

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nixoro

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Re: MOT Failure 2
« Reply #12 on: 08 September 2006, 13:47:56 »

Quote
If the engine has not overheated you should not need to get the head skimmed.


Cheers Auto Addict  :) just preparing myself now for the inevitable.
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Re: MOT Failure 2
« Reply #13 on: 08 September 2006, 13:55:21 »

Quote
Quote
If the engine has not overheated you should not need to get the head skimmed.


Cheers Auto Addict  :) just preparing myself now for the inevitable.

All the best Nix, I hope all goes well for you.

How many miles has the car done?
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nixoro

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Re: MOT Failure 2
« Reply #14 on: 08 September 2006, 14:03:27 »

Quote
Quote
Quote
If the engine has not overheated you should not need to get the head skimmed.


Cheers Auto Addict  :) just preparing myself now for the inevitable.

All the best Nix, I hope all goes well for you.

How many miles has the car done?

Cheers Auto Addict  :)

I dont think it has done too badly its got just over 137K on it and I dont really want to just get rid as I have had it for nearly 3yrs now. I myself have put 41K on it so its done me well so far.
« Last Edit: 08 September 2006, 14:04:43 by nixoro »
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