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Author Topic: limp home mode  (Read 4390 times)

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JONNYWAKEY

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limp home mode
« on: 15 February 2007, 17:26:18 »
Guys, yet again i need advice.

On the way home from work about half an hour ago, gear change was vibrating, engine management light is always on due to P0700 code, car usually drives superb.

EML went off, engine block light ( emmisions light?) came on, car wouldnt change gear (limp mode)

Pulled over and switched off then on again, fault cleared. back to EML.

Got home and read ECU, code was showing cylinder misfire, was it this that caused the limp mode ? if so what could cause the misfire ?

I had new Bosch 4 electrode plugs put in last September plus a full service.

Any thoughts on this?

By the way car drove fine after switching off then on again.
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Re: limp home mode
« Reply #1 on: 15 February 2007, 17:27:55 »
Cam Sensor?
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JONNYWAKEY

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Re: limp home mode
« Reply #2 on: 15 February 2007, 17:29:11 »
No P0340 code, had cam sensor changed in Sept with full service
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Re: limp home mode
« Reply #3 on: 15 February 2007, 17:30:26 »
Oil/Water in the plug wells?
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Re: limp home mode
« Reply #4 on: 15 February 2007, 17:33:20 »
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No P0340 code, had cam sensor changed in Sept with full service

Having said that niether Taxi Driver nor mine were showing cam sensor codes.

But it was the cam sensor.
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Re: limp home mode
« Reply #5 on: 15 February 2007, 17:35:25 »
Having read it again, it does sound like oil /  water in the plug wells...could be wrong.....
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JONNYWAKEY

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Re: limp home mode
« Reply #6 on: 15 February 2007, 17:36:35 »
if it was oil / water in plug well what does that mean ?

how do i get rid of it and what could cause that ?
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Re: limp home mode
« Reply #7 on: 15 February 2007, 17:52:35 »
If it's oil, then your cam cover(s) could be leaking.

If it's water, then it's probably coming in via the passenger side wiper, where it enters the scuttle.

Unplug the DIS (at the back of the Eco Strip) remove the Eco strip by sliding it backwards, then lifting it off.

Undo the coil pack bolts, lift the coil pack out, and check for water / oil in the plug wells.

See the guide in the Maintenance section - changing the spark plugs on a 2.2 for pictures and 'How to'.
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Re: limp home mode
« Reply #8 on: 15 February 2007, 17:56:09 »
See here http://www.omegaowners.com/forum/YaBB.pl?num=1157117391

Do not remove the spark plugs if there is water / oil in the wells.

If there is , ideally, you need a high pressure air hose to blow the water / oil out, failing that you need to soak it all up with rags.

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Taxi_Driver

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Re: limp home mode
« Reply #9 on: 15 February 2007, 18:28:10 »
Quote
Quote
No P0340 code, had cam sensor changed in Sept with full service

Having said that niether Taxi Driver nor mine were showing cam sensor codes.

But it was the cam sensor.

I was getting P0340....cam sensor  :y

I personally would have the plugs out.....its easier to tell if oil on them...and oil fallling into the cylinders aint gonna to do any harm imo.

If there is oil then it does sound like cam cover gasket.....mine did the same.....i also had oil slightly running down the side of the engine....so check for this too.

If not a drop of oil in sight..and its still missing....then id suggest changing the plugs....as its the cheap option.....if its still missing then....then im afraid it could be the coil pack.... :(
« Last Edit: 15 February 2007, 18:30:32 by Taxi_Driver »
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Re: limp home mode
« Reply #10 on: 15 February 2007, 18:40:00 »
Tho should add......ive never seen a missfire detected on my omega.....and it does miss like a gud un when it first switches to lpg when cold at the moment....it even puts the EML on for it....but soon goes off....but if you read the codes....theres nothing about missfires detected.

When i get a moment or three im going to clean the throttle body out to see if that cures it.....if not it'll be a visit to lpg installer to get it checked. It had new plugs 5k ago, so shouldnt be them.
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JONNYWAKEY

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Re: limp home mode
« Reply #11 on: 16 February 2007, 17:34:23 »
Guys thanks for all the advice!

The car shakes like mad even when in Neutral, u can tell something is wrong!

I have ordered a new coil pack to be on the safe side £82 from Autovaux!

Will keep this post updated, code reader always bringing up Cylinder 1 misfire detected!

Still got P0700 & P1700 codes pending.

Cheers
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Taxi_Driver

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Re: limp home mode
« Reply #12 on: 17 February 2007, 07:19:16 »
Quote
Guys thanks for all the advice!

The car shakes like mad even when in Neutral, u can tell something is wrong!

I have ordered a new coil pack to be on the safe side £82 from Autovaux!

Will keep this post updated, code reader always bringing up Cylinder 1 misfire detected!

Still got P0700 & P1700 codes pending.

Cheers

Yes....keep us informed of what you find  :y

I still get those two damm codes too...... :( ......dont spose you find it wont start sometimes 'on the button' as it were?
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JONNYWAKEY

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Re: limp home mode
« Reply #13 on: 17 February 2007, 09:59:28 »
Yes I too have problems with the car turning over a few times before it starts, sometimes it wont let me have sports mode so I have to switch off and then its starts first time and drives superb.

I still have EML on all the time due to the P0700 and occasionally P1700 pending codes, i disconnected the Transmission ECU last weekend and the light went off so I think it could be a faulty ECU.

Will keep u all infomed on whether the new coil pack does the job.

Everyone tells me to get rid of the car, but I love the Omega and i know its faults now, if I swapped it I could watse money on buying another nightmare car and just start spending all over again.

I have spent a lot on the Omega but I couldn't afford another one so its money well spent I think!

Cheers
Jonny
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Re: limp home mode
« Reply #14 on: 17 February 2007, 15:09:43 »
Quote
Yes I too have problems with the car turning over a few times before it starts, sometimes it wont let me have sports mode so I have to switch off and then its starts first time and drives superb.

I still have EML on all the time due to the P0700 and occasionally P1700 pending codes, i disconnected the Transmission ECU last weekend and the light went off so I think it could be a faulty ECU.

Will keep u all infomed on whether the new coil pack does the job.

Everyone tells me to get rid of the car, but I love the Omega and i know its faults now, if I swapped it I could watse money on buying another nightmare car and just start spending all over again.

I have spent a lot on the Omega but I couldn't afford another one so its money well spent I think!

Cheers
Jonny

You could try and chat up a certain Admin who lives in Notts. to see if he will have a look at it for you....
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