Omega Owners Forum - Ex plod 3.2 MV6 Auto cuts out

Mick_600

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Warrington, Cheshire
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Ex plod 3.2 MV6 Auto cuts out
30. Aug 2007 at 21:03

Dear all. Had a strange problem today. Driving along and she just stops running (auto box so sudden lack of power steering makes life interesting ).

Engine turns over fine, plenty of battery power. I Left it around 10 minutes starts up and runs perfectly ....... several miles later, stops again with no warning.

When running the engine is perfect. When it stops, ignition light and oil light come on and no others. No engine management light warning so things like throttle body and crank sensor seem unlikely. Haven't been able to check for fault codes as my reader is at my mums .... typical ... but wouldn't have expected any with the em light not coming on.

I have just had a cam belt and rollers changed by a local specialist (£160 ) but having watched them do it they know their stuff, should do they used to build V6's at the factory and also the engine runs a lot better than it did before the change due to valve timing now being correct on both sides rather than just the one side which was the position before they did the work !! Still it was only like that for 40,000 miles lol. Seriously though bits they disconnected such as throttle body would cause the engine light to show and it doesn't and all leads are still correctly fitted and secure.

Any help would be very much appreciated and also if any of you are in the North West (they are near Chester) and need work doing at a good price by guys that know what they are doing rather than kids learning what to do, contact me and I'll forward your details somehow.

Thanks
Mike

ps sorry for tending to ask questions rather than help others but I am not yet sufficiently knowledgeable about these yet to be sure my advice wouldn't make things worse.

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Nickbat Omega Lord Offline Posts: 7167 London NW7 Gender: Drives: 2002 2.6CD Auto	Re: Ex plod 3.2 MV6 Auto cuts out Reply #1 - 30. Aug 2007 at 21:09 When a crank sensor starts to fail, it doesn't always make the EML light show. I would say that is the most likely cause. Certainly not an expensive part and an easy DIY job. Nick
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TheBoy Administrator Offline TBE has an MOT! Posts: 64817 Brackley, Northants Gender: Drives: 98 MV6, 03 Elite, 00 25, 89 ZX10	Re: Ex plod 3.2 MV6 Auto cuts out Reply #2 - 30. Aug 2007 at 21:10 crank sensor
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Paul M

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Edinburgh
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Drives: BMW 840Ci, Yamaha R1

Re: Ex plod 3.2 MV6 Auto cuts out
Reply #3 - 30. Aug 2007 at 21:12

Sounds like the crank sensor is on the way out. Very common fault, and it causes the spontaneous cutting out then mysteriously starting and running perfectly again some time later. Not that difficult to change, although the part costs about £80 IIRC.

It doesn't bring on the EML light because there's no fault when the engine is running, and when it fails the engine stops and the EML comes on anyway.

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Paul M Omega Knight Offline Posts: 1689 Edinburgh Gender: Drives: BMW 840Ci, Yamaha R1	Re: Ex plod 3.2 MV6 Auto cuts out Reply #4 - 30. Aug 2007 at 21:13 3 identical responses within 3 minutes.... think that's some consensus Oh and I need to type faster
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TheBoy Administrator Offline TBE has an MOT! Posts: 64817 Brackley, Northants Gender: Drives: 98 MV6, 03 Elite, 00 25, 89 ZX10	Re: Ex plod 3.2 MV6 Auto cuts out Reply #5 - 30. Aug 2007 at 21:13 identical symptoms to when mine failed. Only mine decided to do it just outside Dijon, France. Only my phrase book didn't cover "please can you send someone to tow my car off motorway", but I knew enough to tell mechanic he was talking BS that both my cats had failed!
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Kevin Wood Global Moderator Admin Team Offline Posts: 20377 Alton, Hampshire Gender: Drives: 3.2 MV6 (LPG), Westfield	Re: Ex plod 3.2 MV6 Auto cuts out Reply #6 - 30. Aug 2007 at 21:14 Mine failed recently (3.2 auto). No engine light although there was a fault code stored. I'd get the fault codes read, or just change the crank sensor. Kevin
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Nickbat

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London NW7
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Drives: 2002 2.6CD Auto

Re: Ex plod 3.2 MV6 Auto cuts out
Reply #7 - 30. Aug 2007 at 21:18

Paul M wrote on 30. Aug 2007 at 21:12:

Sounds like the crank sensor is on the way out. Very common fault, and it causes the spontaneous cutting out then mysteriously starting and running perfectly again some time later. Not that difficult to change, although the part costs about £80 IIRC.

It doesn't bring on the EML light because there's no fault when the engine is running, and when it fails the engine stops and the EML comes on anyway.

Around the £34 mark from here:

http://www.crankshaftsensors.co.uk/Products.aspx?Man=VAUXHALL%20OPEL&Mod=OMEGA%2...

Could probably source an even cheaper one from Ebay. Thumbs Up!

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Kevin Wood Global Moderator Admin Team Offline Posts: 20377 Alton, Hampshire Gender: Drives: 3.2 MV6 (LPG), Westfield	Re: Ex plod 3.2 MV6 Auto cuts out Reply #8 - 30. Aug 2007 at 21:27 Mine was only IRO 42 quid from main dealer on TC. Kevin
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Paul M Omega Knight Offline Posts: 1689 Edinburgh Gender: Drives: BMW 840Ci, Yamaha R1	Re: Ex plod 3.2 MV6 Auto cuts out Reply #9 - 30. Aug 2007 at 21:36 Bugger.. they've got a fair bit cheaper since I bought mine, that was from a retailer on fleabay
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Mick_600

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Warrington, Cheshire
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Re: Ex plod 3.2 MV6 Auto cuts out
Reply #10 - 30. Aug 2007 at 22:16

Thanks a lot guys .... That'll be a new Crank Sensor then.

Seen one on Fleabay for £38.50 inc VAT and p&p. Written to ask em if it'll arrive on Saturday.

Looks like I'll be forced to fix the wiper cover while I'm at it which is in about 6 bits due to the ripping out of the plod fittings when it was decommisioned.

Cheers again and with a bit more experience pulling it to bits I'll be able to add to forum rather than just take out. I'll post again when it is done and fixed.

Mike

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Nickbat

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London NW7
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Drives: 2002 2.6CD Auto

Re: Ex plod 3.2 MV6 Auto cuts out
Reply #11 - 30. Aug 2007 at 22:28

Mick_600 wrote on 30. Aug 2007 at 22:16:

Thanks a lot guys .... That'll be a new Crank Sensor then.

Seen one on Fleabay for £38.50 inc VAT and p&p. Written to ask em if it'll arrive on Saturday.

Looks like I'll be forced to fix the wiper cover while I'm at it which is in about 6 bits due to the ripping out of the plod fittings when it was decommisioned.

Cheers again and with a bit more experience pulling it to bits I'll be able to add to forum rather than just take out. I'll post again when it is done and fixed.

Mike

Good luck mate! Remember to look up crankshaft sensor change in the maintenance section. Key thing is to make sure the new cable doesn't touch hot surfaces. Secondly, it's ~~hard~~ practically impossible to route it the way it was when the car was manufactured.
On the whole, though, an easy job. Wink

BTW, some details in your profile (type of car - yes I know it's 3.2!! - location etc.) would be useful. Thumbs Up!

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I don't care to belong to a club that accepts people like me as members.
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Martin Imber Over Active Poster Offline LPG Omega V6 - Keyfobs Rebuilt Posts: 20110 Worcester Gender: Drives: 2001 Omega 2.6CD LPG & 3.0 cams	Re: Ex plod 3.2 MV6 Auto cuts out Reply #12 - 31. Aug 2007 at 09:57 DEFINATELY Crank Sensor
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TheBoy Administrator Offline TBE has an MOT! Posts: 64817 Brackley, Northants Gender: Drives: 98 MV6, 03 Elite, 00 25, 89 ZX10	Re: Ex plod 3.2 MV6 Auto cuts out Reply #13 - 31. Aug 2007 at 10:21 Good luck Shame you're so far away - i have a spare (slightly cracked) scuttle in the garage....
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davlad22 Omega Knight Offline Posts: 1171 Sunny Yorkshire Gender: Drives: 2.2DTi Elite & CD Estates	Re: Ex plod 3.2 MV6 Auto cuts out Reply #14 - 01. Sep 2007 at 05:22 Is the old/new shape scuttle the same design??? I'm still trying to think what would have been attached to it to involve damaging it!?! Mike, have you found many things that have been hacked up (headlights/wiring etc?) and does it run straight & true??? (sorry for off-topic ) All the best
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