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1

Omega General Help / Re: 2.2 CD ECU Woe's

« on: 28 December 2008, 16:02:35 »

Got the car back, and its running very well. He eventually changed the cam sensor to genuine vx part and that resolved issue. He still reckons the ECU was the root cause, I'm not convinced but at least I have the car back.
 £399 in total so no where near as much as I was expecting.

 Thanks to everyone on here that has helped with this issue, hope you all had a great Christmas.

2

Omega General Help / Re: 2.2 CD ECU Woe's

« on: 13 December 2008, 13:30:04 »

I've got a 300 mile round trip to do on Wednesday/Thursday assuming the cam sensor is sorted, do you think I can risk the trip with the throttle issue still un-resolved? It appears to be running fine.

If you are passing one of the Tech2 guardians here (http://theboy.omegaowners.com) on your trip, might be worth detouring for a tech2 session by someone who understands the device.

The trip is Durham to Blackpool, the nearest is Nottingham, about 150 miles out of the way... Marks DTM would you be available to check either Wednesday or Thursday next week?

 I take it from your answer you don't think its a life threatening fault?

3

Omega General Help / Re: 2.2 CD ECU Woe's

« on: 13 December 2008, 12:46:11 »

"I would not evn contemplate wasting time with anything other than a Vx cam sensor"

Been back on to the bloke and asked him to source genuine sensors, should have it fitted on Monday.

There is no solenoid that feeds the fuel injectors!

I get the feeling my garage tolerates rather than welcomes the advice I give them from this site, and when I ask for feedback the answers always sound plausible to the untrained ear, but this is twice I've been told b0llocks by them. I think it may be time to look at a new garage.

And I still dont beleave it was the ECU!

I have the old ECU, transponder and key chips. Can anyone on here test them? If they work they would be welcome to the parts. I'd need some sort of proof they worked, screen shot of the tech 2 for example so I could ram it up the Dealerships ar$e.



I've got a 300 mile round trip to do on Wednesday/Thursday assuming the cam sensor is sorted, do you think I can risk the trip with the throttle issue still un-resolved? It appears to be running fine.

4

Omega General Help / Re: 2.2 CD ECU Woe's

« on: 13 December 2008, 09:25:55 »

OK, the car is up an running and driving fine, however the throttle errors still won't clear and there is a cam sensor error. I've asked him to run the live tests, I think he understood what I was talking about (Blind leading the blind )

He's not convinced he has the right cam sensor from his supplier. The part number he is being given is -

905-208-50

Can some-one confirm that is the correct part number for a 53 2.2CD Petrol please, if not can you tell me what is the right number.

Error's -
P0120 Throttle Position Sensor
P1120 Pedal Position
P1550 Gen Electronic Throttle


Many thanks

5

Omega General Help / Re: 2.2 CD ECU Woe's

« on: 09 December 2008, 17:50:47 »

Turned up at the garage this afternoon to get an update and was plenty surprised to hear her running for the first time in 5 weeks.
 The mechanic looked over the moon.
Apparantly the fault has something to do with the solenoid that is connected to the fuel injectors. He had the yellow cap off it and wrapped in maskin tape but it was running.
 He just needs to find out if its the solenoid or whatever triggers the solenoid.
 The working theory is that he has broken the solenoid when replacing the ECU.

6

Omega General Help / Re: 2.2 CD ECU Woe's

« on: 08 December 2008, 20:33:51 »

I'll pass this onto the Mechanic in the morning, along with the "Do you know what you are doing regarding live tests" query.
 He was supposed to call with update this evening, his boss rang instead saying he was having a busy day, I, being British, said I understood perfectly and it was OK, then put the phone and shouted at our lass.

7

Omega General Help / Re: 2.2 CD ECU Woe's

« on: 08 December 2008, 11:59:32 »

I am worried....the live values do not require the engine to be running (i.e. pedal position and throttle position....press teh butterfly with your finger!)

Also, actuator tests do not require the engine to be running.

In addition....error codes state an issue which can be sensor/actuator, cabling or ECU....so changing the thrttle body only proves that it might not be the throttle body  ....it does not rule out cabling etc!

Yup, Had a feeling the experts were going to say something like that.  
OK, I need to start thinking about a plan B here. I have not given up on the garage yet, as I said he is generally a top bloke who is very reasonably priced, and  I am sure he would eventually fix the car by slowly replacing every part of it.  I could throw the towel in and get it to the local dealership, but in my experience they just see me as a cash point machine and have already mis-diagnosed the ECU, so no confidence there.
 Does anyone know anyone in the North-East that actually knows how to diagnose and fix Omega's?
 Failing that I could pay to get the car towed to practically anywhere I suppose.

8

Omega General Help / Re: 2.2 CD ECU Woe's

« on: 08 December 2008, 10:55:15 »

The mechanic has said that the errors are as live as can be, although the ignition will turn on,  the engine will not fire up so he is unable to do any live testing.

The EMU is working and not flashing he is going to double check this, and he is going to check the Engine Earth Points on the inlet manifold.

He is also confident that it is not the throttle body as this has had 3 different ones in. (The Original, The dealership tried one, and the one I got from Marky)

He is going to call me this evening with a further update.

9

Omega General Help / Re: 2.2 CD ECU Woe's

« on: 08 December 2008, 01:39:05 »

I got a meeting with the mechanic and the garage boss in the morning. Currently the car is in the local garage that I have used problem free for years. It has been towed to the dealership and as previously stated they wrongly condemned the ECU, and subsequently towed back to the garage.
 So far the list of things to ask are -

Are the codes live or Stored?
Can the code reader perform live tests. If so please run them on the following -
 - See if pedal position and throttle position match over a range of positions-
 - A comprehensive set of live readings and actuator tests, actuating the throttle body and observe its operation.
 - See what the feedback Readings are when moving it etc.
 
Also -
Check the EMU is working and not flashing.
Check the Engine Earth Points on the inlet manifold.

I know when I wanted to have the Cruise Control activated I had to go to the main dealers as the local garage did not have the right equipment so I am not overly confident these guys have the kit to run the live tests, but we will see.

 I'll update as soon as I have further info. Thanks again (good luck to Badger incidently)

10

Omega General Help / Re: 2.2 CD ECU Woe's

« on: 06 December 2008, 00:41:35 »

LOL, "defo ecu fault" - sounds like most dealers!

We need more info.  Are these fault codes current, or stored.

Also, do a live data, and see if pedal position and throttle position match over a range of positions.

OK, sorry, I don't know if the faults are current or stored, how can I tell the diference?

How do I do a live data test, or more importantly, how do I tell the mechanic how do a live data test.

I'm assuming that the EML works, and that its not flashing.

I'm sure it is, but I'll check with the garage this morning.

 Its quite a humbling experiance not having a clue what is going on, and I am extremly grateful for the help, advice and indeed parts that I have recieved from this site, I am acutely aware that I can offer little back in reconpense, my trade is data analysis and IT data exchange systems, not something you need on a daily basis, however if anyone needs any advice or help with MS Excel then look no further

11

Omega General Help / Re: 2.2 CD ECU Woe's

« on: 05 December 2008, 19:12:09 »

Well, they fitted it, and the car still will not start, will turn over but not fire up. They tried the new throttle body, made no difference.
 We are now exactly were we were 5 weeks ago. I am furious. Not so much with the garage but at the dealership who wanted £1200 for the new ECU that was "definatly "the fault

The codes we are getting now are -
P0120 Throttle Position Sensor
P1120 Pedal Position
P1550 Gen Electronic Throttle

Any help on this would be greatly appriciated.

12

Omega General Help / Re: 2.2 CD ECU Woe's

« on: 05 December 2008, 12:06:41 »

Mark, do you have the security code for the immobiliser?

For the above codes, TIS recommends a full re-program and rest.

yes mark i think so should have the car pass somewere  

Is this something I should be conserned about?

13

Omega General Help / Re: 2.2 CD ECU Woe's

« on: 05 December 2008, 12:03:57 »

Parts received this morning (07:00!!! The postie got a right eyeful of me in our lasses dressing gown)

 The garage is fitting it all today. Just waiting for the call. Feel like an expectant father.

Thanks again Mark

14

Omega General Help / Re: 2.2 CD ECU Woe's

« on: 03 December 2008, 20:27:54 »

Mark, can you give me a shout when they are in post, just so I can let the garage know.

 Many thanks again mate.

on there way matey posted at 4pm  

Fantastic stuff, thanks again.  

15

Omega General Help / Re: 2.2 CD ECU Woe's

« on: 03 December 2008, 12:55:58 »

Mark, can you give me a shout when they are in post, just so I can let the garage know.

 Many thanks again mate.