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1

Omega Electrical and Audio Help / Re: HID dipped beam - how to replace?

« on: 25 July 2011, 15:01:34 »

thanks all for the advice, life suddenly got simpler.... except for finding it all under there ,now what do I do with these two D2S's I have.....

2

Omega Electrical and Audio Help / Re: HID dipped beam - how to replace?

« on: 25 July 2011, 13:47:33 »

many thanks , I had begun to suspect that when told HIDs are more complex. Its going to be a H7 then I must be not looking hard enough!!

3

Omega Electrical and Audio Help / Re: HID dipped beam - how to replace?

« on: 25 July 2011, 10:01:53 »

Good point - I'm assuming the piece I see is a high voltage connector - its about 2 inches long, white , 1/4 inch diamter. Its the fact you have to take a square box off about 2 inch cube with it the only reason I could see for that is that is the ballast and electronics for the bulb.
I do have manual adjustment for the lights in the car.

When the piece above is removedther is a hole left and nothing comes out of there there are no bulb, connector or anything. Maybe this is a motor drive to change postion and I've not taken the bulb out at all? I did photgraph it.

4

Omega Electrical and Audio Help / HID dipped beam - how to replace?

« on: 25 July 2011, 09:46:24 »

I've A 2002 ( 52 Plate) 2.2 auto saloon. I've had it from new so know its history.
Computer tells me headlight fail. Thats corrrect|
So I assumed the bulb was a D2S type. The dipped light is the type with a seprate lens - a projector?
But when I take it apart, theres a small black box, twist out and pull, an odd looking connector/insulator appears. Theres no way this can fit a D2S bulb.
I can't find any reference to other bulb types - are there any? This must have been on since new......

5

Omega General Help / Re: 2.2 throttle body

« on: 15 April 2011, 11:23:56 »

get the throttle body off ebay 2nd hand - its worth a try, I'm still on the one I bought 5 years ago for £70!

6

Omega General Help / Re: Poor accel fixed 2.2petrol auto

« on: 18 April 2011, 15:21:39 »

At last , problem fixed!
Investigating #1 lambda sensor ( which I replaced last October) Took it out and what!! , there were little bits of broken ceramic inside it just too large to fall out of the perforations in it. Put in a OEm lambda sensor.... and all problems went away immediatly. The OEM sensor head is very different and not as open.

So now perfect acceleration, hot or cold, No MIL light.

Rule 1 not to be broken - Only fit OEM parts , after market parts - they may screw in the hole and plug in but if they don't function properly you end up buying again anyway and wasting a lot of time!

Thanks for the suggestions everyone , a great help.

After sorting this I decided to replace the cam sensor anyway as I had already bought it.
I learnt one hell of a lot about OBD 2 while doing this and am going to get a plug in that allows live readings to be taken on a laptop. I also found for the first time a list of everything that can bring on the MIL light (EML) and the cycles the GM uses in the ECU to assess if the emissions systems are working properly or actually tested. I'm used to complex systems but I have to say the ECU is doing a lot more than you might expect in clocking in faults, holding them as pending and counting until it resets tham ( if at all) without this information no wonder its confusing dealing with one light and a limited view from a few fault codes.

Now on to the rattling exhaust, the minor paint jobs where some moron hit and run in a 3663 lorry and an MOT!
Vince

7

Omega General Help / Re: Poor accel after starting from hot 2.2petrol auto

« on: 15 April 2011, 11:30:03 »

yep will do that today
Vince

8

Omega General Help / Re: Poor accel after starting from hot 2.2petrol auto

« on: 12 April 2011, 17:20:33 »

Have inspected the MAF - it was pretty clean. Incidentally I noticed that the car runs fine at
tickover anyway with the MAF disconnected ( the spanner light comes on of course) is that Normal?.
After doing about 70 miles today I've collected a consist set of codes
0135
0030
These are the lambda sensor number 1 I think
and by itself 0170
This is the rich (or lean) code.

As I have to take it for an MOT soon, I'm going to get a Vauxhall Lambda sensor and replace the first sensor which is a cheap one

I've tried driving and turning off and restarting as suggested - but I don't get consistent results and the MIL light never goes off unless I reset it.
If I reset the MIL  while in motion there is a noticable glitch in the engine then it recovers itself - is that normal?

9

Omega General Help / Re: Poor accel after starting from hot 2.2petrol auto

« on: 12 April 2011, 11:31:06 »

Live in the sticks....Chipping Norton

10

Omega General Help / Re: Poor accel after starting from hot 2.2petrol auto

« on: 12 April 2011, 10:20:18 »

Hi thanks for the comments
well as sure as you can ever be, I have a L sensor to go in the 2nd location but can't get the old one out so not replaced it!
I deduced it was the first sensor - ok guessed, ( I did not have a reader at the time) and replaced it but could not clear the MIL light then as no reader
I then bought a cheap reader with reset. The first codes this spotted were sensor 1 which never reappeared after I cleared it so I may have guessed right and it related to the earlier sensor problem. I believe from what I have read on forums - the 2nd sensor does not control much and is for monitoring really. I assume it can also put on the MIL light but am not sure.
I have seen no codes from my reader referring to the second L sensor.

The cam sensor - now I've seen these cause a lot of trouble but I've a built in reluctance to buy things just to see particulary if its not bringing up any codes, but my trouble is I clearly have faults and no codes are coming up!

I'll try what you suggest with it hot and turn on /off to see if it clears
Vince

11

Omega General Help / Re: Poor accel after starting from hot 2.2petrol auto

« on: 12 April 2011, 08:46:38 »

Well I'll have a look inside the MAF later today to see what state its in.
I've cleared all codes and will see what today brings.
I've a suspicion that the MIL light is coming on just when I start up, as an immediate clear leaves it off for 35 miles ( my distance to work). I stopped it and restarted when I got to work and the MIL light did not come on then, with the engine hot.
My other problem still remains of poor throttle response after hot start

12

Omega General Help / Re: Poor accel after starting from hot 2.2petrol auto

« on: 11 April 2011, 18:52:25 »

thanks for that. I could not find the first 2 anywhere either so don't know where they came from.

Rich exhaust 0170
What might cause this - the lambda sensor i replaced ( its not an OEM one) or something else?

13

Omega General Help / Re: Poor accel after starting from hot 2.2petrol auto

« on: 11 April 2011, 18:08:59 »

Managed some fault codes from my box this time
0235
0134
0170


any help?

14

Omega General Help / Re: Poor accel after starting from hot 2.2petrol auto

« on: 11 April 2011, 13:55:25 »

thanks for the reply, I forgot to mention I was alarmed when I cleaned out the breathers and throttle body, the amount of oily gunk that was there. I did not think to clean the MAF , I hear its a bit delicate but keyboard foam can help?

My little reader certainlly shows other messages thats how I spotted the lambda sensor failed but it is el cheapo...

15

Omega General Help / Poor accel after starting from hot 2.2petrol auto

« on: 11 April 2011, 13:45:38 »

2.2 Auto 2003 I've had it since almost new - now 115k miles. Its fly by wire and has no idle control valve
recently cleaned out all breathers and throttle body, new cam cover gasket, plugs, injector additive cleaner and replaced first lambda sensor.

Problem is erratic throttle response after starting from hot - virtually nothing , then pushing the throttle to the floor will pick things up. after 5-10 minutes no problems at all. No problems from starting cold and no starting problems.

Orange MIL sensor is on and comes back on if I reset it ( the one without the spanner). There are no error codes listed on my hand held OBDII. I do have a small exhaust manifold leak which seals when hot.

Any ideas on the hot restart issue and how to get the MIL light to stay OFF?