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Author Topic: overtook someone, now car running like a metro  (Read 6542 times)

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ians

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Re:  overtook someone, now car running like a
« Reply #30 on: 09 May 2007, 15:33:41 »
The EGR looks like a small tin of peas standing upright about half way along the plenum (square alloy bit with plastic Ecotec in the middle) on the drivers side.  Worth having a poke around there - see if its loose (I have had two let go on me).
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x25xe

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Re:  overtook someone, now car running like a
« Reply #31 on: 09 May 2007, 15:39:40 »
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Hmmm, based on the codes and the behaviour, I would suspect a blocked exhaust, most likely a blocked cat.

At 5k rpm or so, it won't "jump" a tooth or 2 on the cams, it will let go in a very impressive manner!
Thats good to know..  :y Phew!


With regards to the EGR Blanking off post above.. What does that entail?

Blocked exhaust is also a very strong possibility.  To blank of the EGR, you need to remove it from the manifold.  The hole that is then exposed is then blocked by means of a thin piece of metal - the side of a coke can etc. - and the valve is then put back on.  This will not clear the fault, but it will stop the exhaust gas being drawn into the engine when it should not.

As others have said (as as I should have :-[) check all the wiring connectors are pushed home etc.

I hope that this explains it better - if not post again.  I will try and put some pictures up later of the EGR valve so you know what you are looking for at least.
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doughall

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Re:  overtook someone, now car running like a
« Reply #32 on: 09 May 2007, 15:49:03 »
I get it now.. Thanks!
Going out in the rain now!


"I'll be back!
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Admin

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Re:  overtook someone, now car running like a
« Reply #33 on: 09 May 2007, 15:50:27 »
As Matchless said, too many codes right now.

Disconnect battery (don't lock car beforehand and make sure you have radio code!) and leave it for at least a couple of hours, ideally overnight.

This should clear the codes.

While you are waiting, you can go round the engine and ensure ALL the connectors are good including the lambda (oxygen) sensors in the exhaust downpipes.

When you reconnect, check the codes with just the ignition on. You should get 12 & 31.
Start the engine and then see what you get.

I am pretty sure it will flag up exhaust related codes....

I think the previous owner found out the cat(s) were going and removed the EM bulb to hide the evidence! 
« Last Edit: 09 May 2007, 15:51:57 by admin »
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Gaffers

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Re:  overtook someone, now car running like a
« Reply #34 on: 09 May 2007, 15:56:39 »
I'm in tidworth and can come up this weekend and have a look for you.  I have the cam locking kit to check the cam belt and I know enough to check what these guys are talking about  :y

Send me a pm with your addy and I will try pop up fri night/sat am
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Dazzler

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Re:  overtook someone, now car running like a
« Reply #35 on: 09 May 2007, 16:13:03 »
I'm in tidworth and can come up this weekend and have a look for you.  I have the cam locking kit to check the cam belt and I know enough to check what these guys are talking about  
 
Send me a pm with your addy and I will try pop up fri night/sat am



Can'y say fairer than that, can you? What a club :y
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Ronald_McBurger

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Re:  overtook someone, now car running like a
« Reply #36 on: 09 May 2007, 16:16:00 »
Gut feeling? Cambelt has NOT slipped as Laidback says, and me & him have done enough! EGR valve probably stuck and CAT blocked does sound a very real possibility, hence O2 sensor throwing a wobbly.

I would do as Laidback says and disconnect the battery overnight. When you reconnect it, beware that the alarm will go off immediately, so have your remote handy. just lock and unlock the doors to stop that noise.

Radio code will need putting back in. Windows and sunrood will need resetting, easy 2 minute job.

Then paperclip with engine running and see what it throws up.

We are a good bunch on here and will get you sorted. Or I will buy the car for £50, whiuchever suits you most. :y
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Gaffers

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Re:  overtook someone, now car running like a
« Reply #37 on: 09 May 2007, 16:26:17 »
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I'm in tidworth and can come up this weekend and have a look for you.  I have the cam locking kit to check the cam belt and I know enough to check what these guys are talking about  
 
Send me a pm with your addy and I will try pop up fri night/sat am



Can'y say fairer than that, can you? What a club :y

T'is the promise of beer that entices even the most fickle.......  8-)
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doughall

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Re:  overtook someone, now car running like a
« Reply #38 on: 09 May 2007, 16:51:28 »
I truely can't get over how helpful you guys are! I thank you very very much!!
I'll disconnect the battery now, and leaqve it till Friday/Saturday!

Thanks again! I'll post here if any developments...
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TheBoy

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Re:  overtook someone, now car running like a
« Reply #39 on: 09 May 2007, 19:11:32 »
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Disconnect battery (don't lock car beforehand and make sure you have radio code!) and leave it for at least a couple of hours, ideally overnight.

This should clear the codes.
Not sure it will on the Motronic....
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Grumpy old man

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Re:  overtook someone, now car running like a
« Reply #40 on: 09 May 2007, 20:02:23 »
I have found it works, and it's cheaper than your rates!  :P
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TheBoy

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Re:  overtook someone, now car running like a
« Reply #41 on: 09 May 2007, 20:10:34 »
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I have found it works, and it's cheaper than your rates!  :P
I'd be interested to hear if it does.  In my experience, the codes remain on the 2.8.1 ECUs, as if its stored in flash.

As to my rates, I defy anyone to consistently beat them ;) - remember, its not a business, I am just trying to recoup some of the initial and ongoing costs (it will never pay for itself outright)....
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Dave-C

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Re:  overtook someone, now car running like a
« Reply #42 on: 09 May 2007, 21:19:45 »
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Hmmm, based on the codes and the behaviour, I would suspect a blocked exhaust, most likely a blocked cat.

At 5k rpm or so, it won't "jump" a tooth or 2 on the cams, it will let go in a very impressive manner!

Blocked cat, was my first thought, plays havoc with the EGR system on any car.. We, had the exact problem on a Cossy 24v, they have 4 cats, we took 'em off prodded the honeycomb out "et voila" sorted, emissions OK too....

The Cossy cat blocked after kicking down to overtake too!!!!!!!!!
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Taxi_Driver

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Re:  overtook someone, now car running like a
« Reply #43 on: 09 May 2007, 21:33:34 »
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Quote
I have found it works, and it's cheaper than your rates!  :P
I'd be interested to hear if it does.  In my experience, the codes remain on the 2.8.1 ECUs, as if its stored in flash.

As to my rates, I defy anyone to consistently beat them ;) - remember, its not a business, I am just trying to recoup some of the initial and ongoing costs (it will never pay for itself outright)....

Jamies rates are too cheap as i told him in a recent message to him....vx stealers charge more than double....but will he listen....probably not...coz he's too kind hearted   :)
« Last Edit: 09 May 2007, 21:34:38 by Taxi_Driver »
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Marks DTM Calib

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Re:  overtook someone, now car running like a
« Reply #44 on: 09 May 2007, 21:40:50 »
Motronic codes do not clear with the battery method as they are stored in flash memory........only after a number of clean starts will they go...
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