Omega Owners Forum
Omega Help Area => Omega General Help => Topic started by: raywilb on 12 May 2016, 21:49:06
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is there some kind of way of testing a vacuum solenoid to see if its doing what its supposed to
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You'll need a Mityvac to test the system check my post from the other week I tested my vacuum system as I had a leak on the EGR side.
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You'll need a Mityvac to test the system check my post from the other week I tested my vacuum system as I had a leak on the EGR side.
yes I followed your instructions you pm to me and all seemed ok. but sometimes ( not always ) at around 60-70mph eml will appear & stays on for a while. the car will maintain its speed but will not accelerate. after a few miles eml goes off & alls ok again. every days driving where I tend not to reach above 60 alls ok. the car itself seems very good on fuel & does not lose oil.
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Just a thought Ray but with all these little problems your having, why don't you take Mark up on his offer and pop down to Nottingham and kill lots of birds with 1 stone (so to speak) ;)
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Must confess that's on my list of possibles, too, just going to see Mark the God and sorting everything in a day.
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Must confess that's on my list of possibles, too, just going to see Mark the God and sorting everything in a day.
What's up with your shed lovely car ? :P
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Just a thought Ray but with all these little problems your having, why don't you take Mark up on his offer and pop down to Nottingham and kill lots of birds with 1 stone (so to speak) ;)
I did pm Mark as yet no reply. I know he is busy with is work and his house extension.
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I read last night that after an egr problem & although it is fixed the ecu may need upgrading & a tech 2 is required. that may be the case as the mityvac results were all good. no loss of vacuum or gauge jumping about with engine running.
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I read last night that after an egr problem & although it is fixed the ecu may need upgrading & a tech 2 is required. that may be the case as the mityvac results were all good. no loss of vacuum or gauge jumping about with engine running.
I don't know much about tractor engines Ray ;D
Best wait for a reply from somebody who does :)
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Must confess that's on my list of possibles, too, just going to see Mark the God and sorting everything in a day.
What's up with your shed lovely car ? :P
most things :D
Nah, just nots of niggly things. Also I'd like some fobs (I've acquired some as-new ones) programming to my car replacing my 20 yr old battered 3-times repaired one. The gearbox may or may not be updatable. If not, then I'd like a FL gearbox ecu, which can be updated. Vac leak which I can't quite fathom, and ideally need a known perfect V6 sat next to to compare what sucks where etc. Be nice to have her on a Tech 2 just to do a proper search of fault codes, see what's stored, clear them, then run, and see what re-appears etc. Misfire at redline revs, which is odd. And the back multiram butterfly valve doesnt seem to work and there's a noticeable 'step' in the torque curve under hard acceleration.
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Must confess that's on my list of possibles, too, just going to see Mark the God and sorting everything in a day.
What's up with your shed lovely car ? :P
most things :D
Nah, just nots of niggly things. Also I'd like some fobs (I've acquired some as-new ones) programming to my car replacing my 20 yr old battered 3-times repaired one. The gearbox may or may not be updatable. If not, then I'd like a FL gearbox ecu, which can be updated. Vac leak which I can't quite fathom, and ideally need a known perfect V6 sat next to to compare what sucks where etc. Be nice to have her on a Tech 2 just to do a proper search of fault codes, see what's stored, clear them, then run, and see what re-appears etc. Misfire at redline revs, which is odd. And the back multiram butterfly valve doesnt seem to work and there's a noticeable 'step' in the torque curve under hard acceleration.
You should have said ::) ;D
I've got a laptop here with "My Naff Code Reader" on it
It reads / clears codes, you can activate the various valves / solenoids manually and it does live data :y
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Ohhhhhh..... Cheers, will have to pop over some time.
Well that just goes to show you shouldn't judge by appearances :y ;D
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Ohhhhhh..... Cheers, will have to pop over some time.
Well that just goes to show you shouldn't judge by appearances :y ;D
Your such a bitch ;D ;D ;D
I'll have to blubber you to death for that :D :D :D
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hahah :D :D :D
We seem to have hijacked this thread, back on track... :)
OP, there's a few logical tests regarding testing vac solenoids, etc... such as Mark DTM etc are experts on this.
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is there some kind of way of testing a vacuum solenoid to see if its doing what its supposed to
If it the EGR solenoid you need to test that's simple. Attach your vacuum tester to the EGR valve pipe start the engine and get it warm. On tick over there should be no vacuum open the throttle and watch the gauge on the tester and it should register a vacuum every time the throttle is depressed on no vac' when you're off the trottle.
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is there some kind of way of testing a vacuum solenoid to see if its doing what its supposed to
If it the EGR solenoid you need to test that's simple. Attach your vacuum tester to the EGR valve pipe start the engine and get it warm. On tick over there should be no vacuum open the throttle and watch the gauge on the tester and it should register a vacuum every time the throttle is depressed on no vac' when you're off the throttle.
yes I did as you instructed & all seemed ok. just one thing next to the fuel filter there is a solenoid which has 2 vac pipes one is going back & runs along under the scuttle. I ran my fingers along it & I may have a split. I will check it tomorrow.
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:y hopefully that'll be you sorted then.
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You'll need a Mityvac to test the system check my post from the other week I tested my vacuum system as I had a leak on the EGR side.
yes I followed your instructions you pm to me and all seemed ok. but sometimes ( not always ) at around 60-70mph eml will appear & stays on for a while. the car will maintain its speed but will not accelerate. after a few miles eml goes off & alls ok again. every days driving where I tend not to reach above 60 alls ok. the car itself seems very good on fuel & does not lose oil.
I suspect code is P0400 Critical System Malfunction ?
If correct, have another go at cleaning the EGR.
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just one more question . should the 2.2 dti have a gasket between egr valve & intake manifold. the reason I ask is because this mig has never had one. when I cleaned the intake manifold I ordered the 2 gaskets which were in stock. I asked about an egr gasket & was told at the time Vauxhall at Leeds had one & also described it as being a metal like gasket. I also was given a price of £9. now today again at local stealers I asked again but was told it came as a kit which consisted of the top half of manifold + egr valve.