Omega Owners Forum - Auto gearbox on the blink

berserkerboy

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Posts: 81
Llansadwrn, Carmarthenshire
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Drives: 2.0 16v estate

Auto gearbox on the blink
11. Nov 2010 at 22:30

I have a 2.0 16v X reg auto that has started to give me problems. Whilst driving the car it will sometimes give a little burp, the engine management light will momentarily light and the automatic gearbox will go on strike: The warning 'Automatic gearbox' comes up on the dash and I have to manually change gear. If I stop the car, turn the ignition off and then restart, the automatic gearbox will work as normal again.
Anybody got any ideas as to what is going wrong?
Thanks in advance.

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Entwood Omega King Offline Quietly Confident Posts: 13708 North Wiltshire Gender: Drives: 3.2 Elite (with LPG)	Re: Auto gearbox on the blink Reply #1 - 11. Nov 2010 at 22:35 Have a read here... http://www.omegaowners.com/forum/YaBB.pl?num=1289424195
Back to top	V6 Cam locking/setting kit, Maxscan GS500 OBDII code reader/EML resetter available. Click for some Pictures IP Logged

henryd Omega Baron Offline Posts: 2172 west cornwall Gender: Drives: Merc E220 estate,previous ride 2.5 elite estate	Re: Auto gearbox on the blink Reply #2 - 12. Nov 2010 at 16:10 the fact that your engine management light flicks on first before the gearbox fault may point to a faulty crank or cam sensor as the auto box needs an engine speed signal to function correctly
Back to top	other drives Fiat ulysses 2.0 16v peugeot 406 hdi 110 Fiesta 1.3 encore yuk swift utopia to slow the mig down a bit !! v6 lock kit available locally IP Logged

tunnie Over Active Poster Offline Posts: 22520 London, W3 Gender: Drives: 2.2 CD (LPG'd) & BMW R1200 GS	Re: Auto gearbox on the blink Reply #3 - 12. Nov 2010 at 16:31 sounds like something is throwing gearbox into limp mode, usually its something else (not the gearbox) which causes this. Cam sensor is a favourite on the 4 pots. Check fault codes with paper clip test and also check the ATF level
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berserkerboy Junior Member Offline Posts: 81 Llansadwrn, Carmarthenshire Gender: Drives: 2.0 16v estate	Re: Auto gearbox on the blink Reply #4 - 12. Nov 2010 at 16:55 Thanks for the suggestions. Will do the paperclip test tomorrow. How do I check the ATF level?
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tunnie

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London, W3
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Drives: 2.2 CD (LPG'd) & BMW R1200 GS

Re: Auto gearbox on the blink
Reply #5 - 12. Nov 2010 at 16:58

berserkerboy wrote on 12. Nov 2010 at 16:55:

Thanks for the suggestions. Will do the paperclip test tomorrow. How do I check the ATF level?

Engine running, car on a level surface, remove the filler plug (driver side towards front of the box)

The ATF Level should be level with the fill plug, if you can't see the level, might be worth getting some and see how much it needs filling up Thumbs Up!

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Do you break V6's as often as TheBoy? Then you need tunnie's towing services, recovery costs are just the humiliation of being towed by 2/3's of an engine

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tunnie Over Active Poster Offline Posts: 22520 London, W3 Gender: Drives: 2.2 CD (LPG'd) & BMW R1200 GS	Re: Auto gearbox on the blink Reply #6 - 12. Nov 2010 at 16:59 I've used this and so have many others: http://www.opieoils.co.uk/car-automatic-transmission-fluid-oil/vauxhall/omega-cd... Not sure if we still get a discount?
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pscocoa Omega Knight Offline Posts: 1299 Sandhurst Berkshire Gender: Drives: Elite 3.2 V6 Irmscher, Phaeton V6 Diesel, Signum 1.9cdti	Re: Auto gearbox on the blink Reply #7 - 12. Nov 2010 at 18:00 many threads on this - I fancy the crank sensor but most money is on the ATF and filter change. Do not be surprised if after changing the ATF it does it again. I changed both and fingers crossed all ok. Omegas are unpredictable.
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berserkerboy

Junior Member

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Posts: 81
Llansadwrn, Carmarthenshire
Gender: male

Drives: 2.0 16v estate

Re: Auto gearbox on the blink
Reply #8 - 13. Nov 2010 at 10:35

Am getting some funny readings for the paperclip test. Is this because the car is dual fuel or am I doing something wrong? As far as i could determine the car produces 4 digit fault codes as it immediately started to flash the following sequence:
10, 3, 3, 5, 1, 6, 9, 10, 10, 2, 10, 1, 10, 2, 10, 2, 10, 2, 10, 3, 10, 2, 10, 4, 10, 3,,,and at this point I gave up! Undecided

Also, is there a list of fault codes for the 2.0 16v?

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berserkerboy Junior Member Offline Posts: 81 Llansadwrn, Carmarthenshire Gender: Drives: 2.0 16v estate	Re: Auto gearbox on the blink Reply #9 - 14. Nov 2010 at 09:13 Okay, I guess that 10 is a zero so that the codes that appear to matter are 0335, 1690, 0201, 0202, 0203,0204. 0335 is incorrect rpm signal. Am I right in thinking this is the crankshaft sensor? The other codes are voltage high. Anybody any ideas as to what might be causing this? Cheers
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chrisgixer

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Black ones are faster.

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Wokingham
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Drives: "Omega Black" 3.2 Elite. Thanks to Joshwyatt.

Re: Auto gearbox on the blink
Reply #10 - 14. Nov 2010 at 11:39

berserkerboy wrote on 14. Nov 2010 at 09:13:

Okay, I guess that 10 is a zero so that the codes that appear to matter are 0335, 1690, 0201, 0202, 0203,0204.
0335 is incorrect rpm signal. Am I right in thinking this is the crankshaft sensor?
The other codes are voltage high. Anybody any ideas as to what might be causing this?
Cheers

0335 is crank sensor
020# fuel injection circuit open on that cylinder
1690 possibly auto box related

Double check the numbers, but I would say change the crank sensor and the rest should sort itself out. Very unusual to see crank sensor on the 4pot though...? Undecided

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chrisgixer

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Black ones are faster.

Posts: 14570
Wokingham
Gender: male

Drives: "Omega Black" 3.2 Elite. Thanks to Joshwyatt.

Re: Auto gearbox on the blink
Reply #11 - 14. Nov 2010 at 11:52

chrisgixer wrote on 14. Nov 2010 at 11:39:

berserkerboy wrote on 14. Nov 2010 at 09:13:

Okay, I guess that 10 is a zero so that the codes that appear to matter are 0335, 1690, 0201, 0202, 0203,0204.
0335 is incorrect rpm signal. Am I right in thinking this is the crankshaft sensor?
The other codes are voltage high. Anybody any ideas as to what might be causing this?
Cheers

0335 is crank sensor
020# fuel injection circuit open on that cylinder
1690 possibly auto box related

Double check the numbers, but I would say change the crank sensor and the rest should sort itself out. Very unusual to see crank sensor on the 4pot though...? Undecided

Maybe video the flashes on a mobile first, makes it easier to count as you can re winde etc...
Important to get the full story though, so another paperclip test to confirm Thumbs Up!

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berserkerboy Junior Member Offline Posts: 81 Llansadwrn, Carmarthenshire Gender: Drives: 2.0 16v estate	Re: Auto gearbox on the blink Reply #12 - 15. Nov 2010 at 08:11 Good idea. Thank you. Does anybody know the best place to get the genuine VX sensor and the procedure for removal. I don't know what I am looking for. Thanks once again.
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