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Author Topic: Omega 2.2 petrol 2003 excessive pressure when oil filler cap removed at idle  (Read 7328 times)

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Andy A

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Re: Omega 2.2 petrol 2003 excessive pressure when oil filler cap removed at idle
« Reply #15 on: 04 January 2015, 19:27:26 »
Quote from: Taxi Al on 04 January 2015, 19:22:40
Quote from: Andy A on 04 January 2015, 19:16:17
Quote from: Taxi Al on 04 January 2015, 18:09:07
Once warmed up, what is the temp gauge showing?

Just run the engine up to temperature and its around 92 deg max.
Ok, that sounds pretty normal... lazy thermostat and consequent cool running kills the fuel economy, but, that said with the lower temps lately... does the 2.2 have a separate ECU temp sensor?

Not sure. How can I tell?
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RobG

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Re: Omega 2.2 petrol 2003 excessive pressure when oil filler cap removed at idle
« Reply #16 on: 04 January 2015, 19:45:17 »
Quote
does the 2.2 have a separate ECU temp sensor?
Yep
Quote
Not sure. How can I tell?
Rear of engine by EGR. One sensor for the dash gauge, t`other for coolant temp.
Rear of 2.0ltr in pic, 2.2 same minus the DISPACK
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Andy A

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Re: Omega 2.2 petrol 2003 excessive pressure when oil filler cap removed at idle
« Reply #17 on: 04 January 2015, 19:56:45 »
Quote from: RobG on 04 January 2015, 19:45:17
Quote
does the 2.2 have a separate ECU temp sensor?
Yep
Quote
Not sure. How can I tell?
Rear of engine by EGR. One sensor for the dash gauge, t`other for coolant temp.
Rear of 2.0ltr in pic, 2.2 same minus the DISPACK


Nice one Rob. Do you know if "My Naff Code Reader" software will be able to tell me if the ECU temp gage is working correct?
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05omegav6

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Re: Omega 2.2 petrol 2003 excessive pressure when oil filler cap removed at idle
« Reply #18 on: 04 January 2015, 20:16:26 »
It should raise a code... P0115 iirc ;)

Won't solve the crankcase pressure, but might help the economy... 
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Andy A

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Re: Omega 2.2 petrol 2003 excessive pressure when oil filler cap removed at idle
« Reply #19 on: 04 January 2015, 20:25:49 »
Quote from: Taxi Al on 04 January 2015, 20:16:26
It should raise a code... P0115 iirc ;)

Won't solve the crankcase pressure, but might help the economy...

Thanks Al, I'll borrow a laptop in the week and see what comes up.

Do you know how much crankcase pressure is acceptable if any?



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05omegav6

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Re: Omega 2.2 petrol 2003 excessive pressure when oil filler cap removed at idle
« Reply #20 on: 04 January 2015, 20:31:16 »
Can't help there :-[ There will always be some pressure, but a lot of variables once time and wear are factored in...
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RobG

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Re: Omega 2.2 petrol 2003 excessive pressure when oil filler cap removed at idle
« Reply #21 on: 04 January 2015, 20:38:55 »
Dodgy ECT sensor should illuminate the MIL Andy
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plym ian

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Re: Omega 2.2 petrol 2003 excessive pressure when oil filler cap removed at idle
« Reply #22 on: 04 January 2015, 20:52:16 »
Mines about 18-19 round town so nowt to worry about and as petrols getting cheaper who cares ;D
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The Sheriff

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Re: Omega 2.2 petrol 2003 excessive pressure when oil filler cap removed at idle
« Reply #23 on: 04 January 2015, 21:11:38 »
Quote from: plym ian on 04 January 2015, 20:52:16
Mines about 18-19 round town so nowt to worry about and as petrols getting cheaper who cares ;D
Vlad.  ;D
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flyer 0712

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Re: Omega 2.2 petrol 2003 excessive pressure when oil filler cap removed at idle
« Reply #24 on: 04 January 2015, 21:19:43 »
Whats the mileage of the car and has it ever had a head gasket replaced  :y
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Marks DTM Calib

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Re: Omega 2.2 petrol 2003 excessive pressure when oil filler cap removed at idle
« Reply #25 on: 04 January 2015, 21:53:08 »
Head gasket failing won't pressurise the crank case.

Is the cam timing OK?

Oil consumption up?
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Andy A

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Re: Omega 2.2 petrol 2003 excessive pressure when oil filler cap removed at idle
« Reply #26 on: 05 January 2015, 11:07:51 »
Quote from: RobG on 04 January 2015, 20:38:55
Dodgy ECT sensor should illuminate the MIL Andy

No MIL light on.
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Andy A

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Re: Omega 2.2 petrol 2003 excessive pressure when oil filler cap removed at idle
« Reply #27 on: 05 January 2015, 11:11:47 »
Quote from: flyer 0712 on 04 January 2015, 21:19:43
Whats the mileage of the car and has it ever had a head gasket replaced  :y

The mileage is 115000 and I don't know if the head gasket has ever been done.
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Andy A

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Re: Omega 2.2 petrol 2003 excessive pressure when oil filler cap removed at idle
« Reply #28 on: 05 January 2015, 11:17:17 »
Quote from: Marks DTM Calib on 04 January 2015, 21:53:08
Head gasket failing won't pressurise the crank case. Could you explain what will?

Is the cam timing OK? Checked the timing this morning and all is still aligned correctly.

Oil consumption up? No. It hasn't used any oil at all.
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Andy A

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Re: Omega 2.2 petrol 2003 excessive pressure when oil filler cap removed at idle
« Reply #29 on: 05 January 2015, 11:36:52 »
Is there a PCV valve on my 2.2 petrol 2003 and where will I find it?

Thanks
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