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1

Omega General Help / Holds in gear on kickdown

« on: 19 July 2009, 12:55:53 »

Is this normal for a 2.2 auto omega petrol.

gear changes are fine when accelerator pedal not kickdown or held down (however sometimes can be sluggish).

However when i kickdown it changes down gear and holds it until around 5000rpm and then stops there it will not change up without releasing pedal.

In addition a quick kickdown to overtake does the same and causes the car to jerk as it seems to be limited via the revs??

the oil level in gearbox is fine.

Any ideas???

throttle sensor, Gearbox ECU???

2

Omega General Help / omega problem

« on: 30 June 2009, 21:58:03 »

i know some off you may remember my various posts with regards to my problems from the 02 CDI omega i purchased from EBAY.

the power problems all sorted for your info it was a short in EGR valve sensor, coil pack and also camshaft sensor. not the ecu i purchased so if anyone wants one i have the ecu chip and immobiliser units

anyway got car back however now i have power the auto gear box on kickdown doesnt seem to change up just sticks. it is fine on regular drive hwever when in top end of each gear it doesnt change and loses power - any ideas is this a gearbox problem or still engine i have already paid over £600 so far

3

Omega General Help / Re: Electrical Problem?? Anyone??

« on: 08 June 2009, 13:55:00 »

yes they read 0120,1120,1405,1550,0340,0650.

4

Omega General Help / Electrical Problem?? Anyone??

« on: 08 June 2009, 13:18:46 »

Hello, following on from my previous threads with regards to the Car i have bought of EBAY 2002 2.2 Auto Saloon.

After replacing ECU car still seriuosly misfiring. Currently at garage who is having problems. He can see vlotage going through to accelerator sensor and coming back out however not responding. Could it be earting out in the loom?  any other ideas on what could be causing the misfire. He seems to think it is electrical as the engine was sluggish but running ok.

Any help on this would be greatly appriciated

5

Omega General Help / Re: faulty omega 2002 auto

« on: 02 June 2009, 16:44:16 »

They use sykes pickavant diagnostic code readers would this not work like the tech 2?

6

Omega General Help / Re: faulty omega 2002 auto

« on: 02 June 2009, 12:54:58 »

I am in York should anyone be nearby. I will check that thy have tech 2 they did get the codes off last time

7

Omega General Help / faulty omega 2002 auto

« on: 02 June 2009, 10:33:08 »

Can someone provide any assistance into my problem

I bought an Omega 2002 from Ebay 2.2 Auto and it drove very sluggish. Took it to the garage and engine management light had been removed and cam up with a few codes relating to throttle response voltage and a few others surrounding incorrect voltage. 1 day after the car then was only firing off one cylinder not drivable

They said it was the ECU so i got another ECU, immobiliser and chip that was working.

Car still firing off one cylinder and at the garage they still get the voltage incorect however when tested it is right. any help on what could be causing this would be greatly appriciated.

8

Omega General Help / misfire

« on: 30 May 2009, 19:27:58 »

Omega 2002 2.2 auto petrol

thanks for your support on my previous threads. I replaced the ECU, imobiliser and key chip and that seems to have reselved the initial problem however now the car is only firing on 1 cylinder.

By the way i went back to the bloke i bought the car of on Ebay and he said it drove fine berfore and there was nothing wrong with it - he knows nothing about why the bulb had been taken out on the EML...

Anyway any ideas on the misfiriing would be much appriciated.

9

Omega General Help / Re: Expert advice needed

« on: 23 May 2009, 12:41:44 »

Sorry Mate,  02 plate, 64,000mls, 2.2 petrol Automatic

10

Omega General Help / Expert advice needed

« on: 23 May 2009, 12:25:15 »

Right, After buying what I thought was a bargain car of ebay and then finding out the EML was unplugged and car driving very slowly. I took it to the garage.

It came up with six codes :

0120,1120,1405,1550,0340,0650.

Low voltage to throttle track 1 - checked the sensor and wiring back to ECU so has advised it is the ECU.

encar still drove but sluggish, changed gear fine. Took the car our today and it felt as if the exhaust was blocked engine struggling to keep going if it is under too much load (too higher gear) so now not drivable!!

I have had quotes for new ECU's part 5wk9158 of £375 + vat. Before i buy this is everyone on agreement that this is the cuase of the problem

Any help would be much appriciated.

11

Omega General Help / Re: ECU repair??

« on: 21 May 2009, 18:35:50 »

After just reading another thread if i get another ECU and get it re coded do i need a certain key as i was only given one with the car?

12

Omega General Help / ECU repair??

« on: 21 May 2009, 18:30:07 »

This is a follow on from my previous thread. After having the car examined today it was found that the previous owner had taken the bulb out of the engine management and there are fault codes in the system..

A garage has tracked the fault back to the ECU, 8 fault codes came out: 0120,1120,1405,1550,0340,0650.  

The engine lack of power has been put down to the ECU sending the wrong voltages out. Can i get one from a scrap yard and replace it? can they be repaired? do you have to take them to Vauxhall? etc

any help you could give would be much appriciated.

13

Omega General Help / Re: No Power but no engine management light

« on: 21 May 2009, 12:38:21 »

Car currently at garage. Engine management light bulb has been removed!! i was looking at the service light - Typical!!

Anyway 8 codes have come off not sure why Vauxhall didnt spot this obviously they didnt even look at it.

Anyway major one that the garage is looking at is the throttle voltage. sensor is ok and is checking the voltage. hope it isnt the ECU :-(

any further posts or anything would be much appriciated - will keep you updated on the final verdict

14

Omega General Help / Re: No Power but no engine management light

« on: 21 May 2009, 12:04:39 »

Hello,

Garaged just called told me  that the engine management light has been disabled (bulb) great isnt it - i was looking at the service light!

cant understand why Vauxhall didnt tell me that...obviously didnt even bother. The garage has pulled of 8 codes in particular accelerator position, sensor is ok but voltage not getting through...he is still investigating.....not sounding very good is it

15

Omega General Help / Re: No Power but no engine management light

« on: 19 May 2009, 19:23:35 »

thanks for the tip...just done that and started car up engine management light came on (higher idle) however i lost control over the accelerator, engine did not respond when pressed.

Reconnected the cable engine management light went out and firt time round accelerator still did not respond. tried again and accelerator now responds...however power still not there :-(