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Author Topic: Rotten eggs and really bad running!  (Read 4178 times)

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megaomega123

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Rotten eggs and really bad running!
« on: 24 February 2008, 19:05:03 »
Hi
Just gone out and the car has a problem.
1. Very lumpy idle
2. Rough and unsmoothe acceleration.
3. Very strong rotten egg smell.
4. No EML
5. Like a constant misfire

A bit stuck, so hopefully something obvious to someone.

p.s. To anybody that knows me, I apologise to anyone how has pm'd me but I have been having a lot of personal problems. Hopefully be back to normal soon.

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jemis

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Re: Rotten eggs and really bad running!
« Reply #1 on: 24 February 2008, 19:08:13 »
The smell is from the cats but I wouldn't no if there causing the missfire could be dodgy lambda sensor or something like that.
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MutantCav

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Re: Rotten eggs and really bad running!
« Reply #2 on: 24 February 2008, 19:08:44 »
Cats failing??
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megaomega123

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Re: Rotten eggs and really bad running!
« Reply #3 on: 24 February 2008, 19:24:11 »
Is there a standard check I can do to confirm cats or sensor. I would have thought that lambda sensor would give EML
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JamesV6CDX

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Re: Rotten eggs and really bad running!
« Reply #4 on: 24 February 2008, 19:33:16 »
Nice to hear from you Rob, hope things are picking up for you :y

I wonder if you have a blocked Cat... stick a rubber glove over the exhaust and see how fast it inflates :D



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megaomega123

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Re: Rotten eggs and really bad running!
« Reply #5 on: 24 February 2008, 19:36:17 »
Hi James,
Nice to see ye olde faithful  ;)

I have done that, remebered from last time. Inflates quick. Exhaust seems to be putting out at the correct rate but really stinks. I tried a good foot down also to try to clear any potential blockage but no effect.   :(
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JamesV6CDX

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Re: Rotten eggs and really bad running!
« Reply #6 on: 24 February 2008, 19:38:58 »
First step is to check there is a spark on all the plugs / leads are ok

Also try a compresion test if that proves ok...
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megaomega123

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Re: Rotten eggs and really bad running!
« Reply #7 on: 24 February 2008, 19:52:18 »
Am I capable of compression test? If so what do I need?
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JamesV6CDX

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Re: Rotten eggs and really bad running!
« Reply #8 on: 24 February 2008, 19:54:12 »
Quote
Am I capable of compression test? If so what do I need?

Of course you are mate :y

Just unplug the DIS or crank sensor (to stop engine firing)..  screw the compression tester into the spark plug holes one by one... crank the engine and take the reading...
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JamesV6CDX

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Re: Rotten eggs and really bad running!
« Reply #9 on: 24 February 2008, 19:54:57 »
Oh, and get a "gunson" tester, they are great value for money (bout £10 on ebay, or £18 in halfrauds)
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megaomega123

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Re: Rotten eggs and really bad running!
« Reply #10 on: 24 February 2008, 19:55:18 »
It certainly sounds more up front than exhaust :'(

Similar to when I had ICV and rear multiram connections wrong way round but 5 times worse
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Andy B

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Re: Rotten eggs and really bad running!
« Reply #11 on: 24 February 2008, 19:55:34 »
Quote
Am I capable of compression test? If so what do I need?

A compression tester!  ;)
There'll be a specific figure somewhere but you're more concerned that all cylinders are within about 10% of each other.  :y
« Last Edit: 24 February 2008, 19:56:47 by Andy_B »
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JamesV6CDX

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Re: Rotten eggs and really bad running!
« Reply #12 on: 24 February 2008, 19:56:42 »
I would expect readings to be over 200psi

Just pray you don't find nil compression on one cylinder  :-X
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megaomega123

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Re: Rotten eggs and really bad running!
« Reply #13 on: 24 February 2008, 19:58:42 »
What is the worse case senario? Can I drive it very gently in the meantime?
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Minispud

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Re: Rotten eggs and really bad running!
« Reply #14 on: 24 February 2008, 20:21:30 »
Quote
What is the worse case senario? Can I drive it very gently in the meantime?

 If you find nil compression on one or more cylinder/s, then it could be head gasket/s gone, cracked head/s or burnt out valve/s.  :-/
 
 I would try to find out what the problem is frist before driving  :(

 You will find the paperclip test here
   http://www.omegaowners.com/forum/YaBB.pl?num=1189022687
« Last Edit: 24 February 2008, 20:38:48 by Minispud »
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