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1

Omega General Help / Re: hard to start after several days of no use

« on: 18 July 2007, 15:26:31 »

Thanks for the detailed advice about the fpr.    I have proven over the past couple of days that by turning on the ignition for 10 secs or so prior to starting then I get immediate firing - every time. So this seems to reinforce your theories about loss of pressure through either the fpr or an injector.

I have lost the car to my brother-in-law for a week, as soon as I get it back I will check out the pressure as suggested.   If it is leaking away over a few hours I guess the next problem is to isolate whether it is an injector or the fpr.   I do not think it is a fauly joint or leaking pipe - there is no smell of petrol or evidence of a leak.

Thanks again for the info - will post again when I have more info to share

2

Omega General Help / Re: hard to start after several days of no use

« on: 18 July 2007, 09:32:47 »

Excuse my ignorance but fpr?   Please can you expand the acronymn.

3

Omega General Help / Re: hard to start after several days of no use

« on: 17 July 2007, 11:28:31 »

Tried again this morning.  This time I left the ignition on for about 5 seconds before starting, engine fired up immediately.   So Ong's suggestion that this will prime the pump seems good - thanks.    

Since this behaviour is new (for the past 10 years the car has always started first turn of the key without me having to waut for 5 secs) does it imply that the pump is getting tired and about to fail?

4

Omega General Help / Re: hard to start after several days of no use

« on: 15 July 2007, 17:59:06 »

I think that as I try to start when it is misbehaving I am putting my foot to the floor progressively during the cranking period, ending fully down for the last couple of seconds.   I will have to wait until I come back after a few days without use the try putting my foot fully to the floor for the whole of the 1st attempt, and then try normally for the next.

I will post again when I have that opportunity.

5

Omega General Help / hard to start after several days of no use

« on: 15 July 2007, 17:02:47 »

Normally my 1997 2.5 V6 Omega CDX starts within seconds at the first attempt.  However if I do not use the car for several days starting becomes a problem.  It takes 3 or 4 attempts with 5-10 seconds of engine cranking each time before it will finally fire.   From then on, until the next period of extended inactivity, we are back to normal.

The behaviour is as if the fuel is draining back and the system is having to re-prime itself.   Is this possible?

Any ideas as to how I might resolve the problem ( which is admittedly relatively minor at the moment, but there is always the fear that it will get worse   )

6

Omega General Help / Re: Idler arm suppliers

« on: 06 June 2007, 13:38:40 »

Wow - 2 minutes and I have all the information that I want - thank you very much.   I had been searching for an idler arm, and not a steering arm as the ebay page lists this part under - I would have been searching forever!

7

Omega General Help / Idler arm suppliers

« on: 06 June 2007, 13:28:49 »

Hi,

I have been an avid reader of this forum for a long time and got a lot of really useful advice, including full details on how to change the wishbones, trackrod ends and ider arm on my 1998 2.5 CDX Omega, all of which need doing before the MOT next week.   This is the first major piece of wear and tear on the vehicle in the 10 years that I have owned it - not bad.

The FAQs indicate that an idler arm can be sourced from ebay for around £30, but I am unable to find a supplier.   Has anyone bought one recently, and if so from where.  

As a secondary question - can someone please tell me what the Vauxhall part number for this item is - this might help in my search?