Omega Owners Forum

Boditza Senior Member Offline Posts: 608 Craiova, Romania Gender: Drives: Omega 2,2DTI Estate	Re: bigdavy60 Reply #45 - 12. Jan 2011 at 13:51 your problem is most likely between pump and engine. the 2,2dti is sensitive when it comes to empty fuel tank. Air in the fuel system can cause damage to the injection pump. That's why the vehicle must never be driven till the fuel tank is empty. try towing it to start and then look for smoke under the bonnet and see where it leaks
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bigdavy60

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Re: bigdavy60
Reply #46 - 12. Jan 2011 at 13:57

fergy wrote on 12. Jan 2011 at 08:25:

I agree with Boditza. Try reading the codes. As far as I remember there are only 2 or 3 codes relevent to pre heating, as follows.
P 1694- Glow plug indicator lamp/ wiring fault
P 1694 - Has another explanation that I have forgotten, but it is associated with the Glow plug indicator lamp
P 1635 - Mal function in glow plug heating and control circuits.

The first is pretty self explanitory and the third can account for one or more glow plugs open circuit, wiring problems or glow plug control module fubared or just about any other pre heater malfunction other than the indicator bulb/ wiring.

It is not unknown to have all four glow plugs fubared and the car will still start quite easilly in warm weather. They are easy to test - pull off the caps (they have a release clip) and they should read about 1 ohm tested to earth in situ with a meter. If you have any that are higher resistance they are fubared.

Glow plug control module sits in the big black triagular plastic box on top of your battery.You are looking for a finned aluminium box about 9cm by 4cm right in the bottom of the triangular box. Part is common to several GM cars and is often held in stock by a decent dealer. GM# 55354141

IIRC you have changed the battery, so will have disturbed this module? It may be worth getting it out and checking all contacts are good, but see what the codes indicate first. When I had this problem I noticed that on distrurbing this plastic box, my starting problem disappeared, but returned a week later.

PS 2.2Dti has no lift pump

as in my reply to boditza my mate is a vaux spark and has done all the elecrical tests a few times , he says its got to be mechanical and thinks i should strip it down again and check the injector seals have not been damaged whilst rebuilding , he says it happened alot in the main dealership, ie customer got car back only to find when it was parked on a gradient it would not start, after this the garage wouldnt return the customers car untill they left the cars front wheels on the ramp and lifted up as high as safely possible also leaving the car overnight to make sure the fuel didnt run back ,oh no im going to have to do it all again.

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« Last Edit: 12. Jan 2011 at 14:00 by bigdavy60 »

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Boditza Senior Member Offline Posts: 608 Craiova, Romania Gender: Drives: Omega 2,2DTI Estate	Re: bigdavy60 Reply #47 - 12. Jan 2011 at 14:06 then you should change your mechanic!!! the injector seals can be a problem but when those are gone it doesn't matter if its uphill downhill or flat because its under pressure and it will leak no matter what
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bigdavy60

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Re: bigdavy60
Reply #48 - 12. Jan 2011 at 14:28

Boditza wrote on 12. Jan 2011 at 13:51:

your problem is most likely between pump and engine. the 2,2dti is sensitive when it comes to empty fuel tank. Air in the fuel system can cause damage to the injection pump. That's why the vehicle must never be driven till the fuel tank is empty. try towing it to start and then look for smoke under the bonnet and see where it leaks

the car will start without towing it just takes for ever, any way i think ill have to strip it down and renew the spill pipes again also remove and check the injector seals are ok , well if the main dealer technicians can make a mistake then surely i can , cheers will let you know how i get on will get to it on thurs/fri

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bigdavy60

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Re: bigdavy60
Reply #49 - 12. Jan 2011 at 23:23

bigdavy60 wrote on 12. Jan 2011 at 22:54:

Boditza wrote on 12. Jan 2011 at 14:06:

then you should change your mechanic!!! the injector seals can be a problem but when those are gone it doesn't matter if its uphill downhill or flat because its under pressure and it will leak no matter what

so from what you are saying that is exactly the case uphill , down hill or flat its still the same, do you also think i should take the injector seals out again to check that they havnt been nipped during the rebuild, oh one other thing im sorry i cant change the mechanic im doing all the donkey work myself, id need to remorgage the house to pay a garage i think ,but hey im doin my best ,well the wife thinks so any way ha ha ?

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Boditza Senior Member Offline Posts: 608 Craiova, Romania Gender: Drives: Omega 2,2DTI Estate	Re: bigdavy60 Reply #50 - 13. Jan 2011 at 07:01 i was talking about your "vaux spark guy" who said that it is up hill or down hill from injector seals. try to change them again.. get Opel TIS and you won't get them wrong... try to start the car and carefully watch the injectors for any smoke rising up from them
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bigdavy60

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Re: bigdavy60
Reply #51 - 13. Jan 2011 at 07:45

Boditza wrote on 13. Jan 2011 at 07:01:

i was talking about your "vaux spark guy" who said that it is up hill or down hill from injector seals. try to change them again.. get Opel TIS and you won't get them wrong... try to start the car and carefully watch the injectors for any smoke rising up from them

thanks for that,i guess ill have to dismantle it again and inspect them for damage, ps whats opel tis is it a lube to stop seals catching when you slide injectors into place?

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« Last Edit: 13. Jan 2011 at 07:48 by bigdavy60 »

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Boditza Senior Member Offline Posts: 608 Craiova, Romania Gender: Drives: Omega 2,2DTI Estate	Re: bigdavy60 Reply #52 - 13. Jan 2011 at 08:33 TIS is Techincal Information Sistem.. it is like a service manual for all opel or vauxhall cars.. google it
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bigdavy60 Newbie Offline Posts: 40 west of scotland Drives: omga 2.2dti	Re: bigdavy60 Reply #53 - 13. Jan 2011 at 23:33 Boditza wrote on 13. Jan 2011 at 08:33: TIS is Techincal Information Sistem.. it is like a service manual for all opel or vauxhall cars.. google it thanks for all the advise ive had from the forum i will get back to you all when i get a result ,it might just take a little time to do so cheers
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greenfingers 79

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Re: bigdavy60
Reply #54 - 15. Jan 2011 at 13:03

well worth cleaning the filter on the pick up pump in the tank.
just done mine and it was caked in crap and surely restricting the fuel suply,
20 min job hardest part was getting the outer ring off but now with that cleaned and the fuel filter changed which was a right bast&*d as space is very limited she is running sweet as a nut for now, filled the fuel housing with 70/30 diesel magig to diesel just to give the ingectors a good clean

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Kneepad Omega Knight Offline Posts: 1412 West Scotland Gender: Drives: '96 Omega 2.5 TD CDX Auto Saloon and '99 Omega V6 CD Auto Estate.	Re: bigdavy60 Reply #55 - 15. Jan 2011 at 20:56 Glad to hear you found a pump in the fuel tank. I was beginning have doubts.
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Boditza

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Re: bigdavy60
Reply #56 - 15. Jan 2011 at 21:16

greenfingers 79 wrote on 15. Jan 2011 at 13:03:

well worth cleaning the filter on the pick up pump in the tank.
just done mine and it was caked in crap and surely restricting the fuel suply,
20 min job hardest part was getting the outer ring off but now with that cleaned and the fuel filter changed which was a right bast&*d as space is very limited she is running sweet as a nut for now, filled the fuel housing with 70/30 diesel magig to diesel just to give the ingectors a good clean

so there is a pump in the tank right??

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greenfingers 79 Junior Member Offline Posts: 132	Re: bigdavy60 Reply #57 - 16. Jan 2011 at 08:57 there certainly is
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bigdavy60

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Re: bigdavy60
Reply #58 - 17. Jan 2011 at 13:26

greenfingers 79 wrote on 15. Jan 2011 at 13:03:

well worth cleaning the filter on the pick up pump in the tank.
just done mine and it was caked in crap and surely restricting the fuel suply,
20 min job hardest part was getting the outer ring off but now with that cleaned and the fuel filter changed which was a right bast&*d as space is very limited she is running sweet as a nut for now, filled the fuel housing with 70/30 diesel magig to diesel just to give the ingectors a good clean

ill get back to it on tuesday mate, was it your self who had the same problems as me when starting ?

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bigdavy60

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Re: bigdavy60
Reply #59 - 17. Jan 2011 at 13:29

Boditza wrote on 15. Jan 2011 at 21:16:

greenfingers 79 wrote on 15. Jan 2011 at 13:03:

well worth cleaning the filter on the pick up pump in the tank.
just done mine and it was caked in crap and surely restricting the fuel suply,
20 min job hardest part was getting the outer ring off but now with that cleaned and the fuel filter changed which was a right bast&*d as space is very limited she is running sweet as a nut for now, filled the fuel housing with 70/30 diesel magig to diesel just to give the ingectors a good clean

so there is a pump in the tank right??

well well well i hope this is it this time guys, cant wait to get the tank open.

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