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1

Omega General Help / Re: fault codes

« on: 08 February 2010, 14:22:43 »

ok would a half hour at the local dealer be long enough for that? their quoting £32.50 for plug in. Everyone else at autoelectrics places around here scratch their heads when you mention tech 2, think they havnt heard of it in these hills!!! so dealer best bet unless someone on here nearish got one, im only an hour from birmingham and i have a recovery truck to bring it on.

2

Omega General Help / Re: fault codes

« on: 08 February 2010, 13:59:16 »

with the throttle issues they are stating switch a and switch b. i assume these to be the potentiometer switches on pedal and throttle body on plenum. are these worth changing do you think?

3

Omega General Help / Re: fault codes

« on: 08 February 2010, 13:53:40 »

I DROVE CAR FOR SEVERAL MILES AND IT WAS ONLY WHEN I PULLED BACK UP AT HOME THE EML CAME ON. DOES SEEM A BIT HESITANT WHEN YOU PUT YOUR FOOT DOWN COMPARED TO OTHER OMEGAS IVE HAD (THESE BEING 2.5 V6 ) SO HAVING NEVER DRIVEN A 2.6 NOT SURE ABOUT RESPONSE.
DEFINITELY DIPPING OCCASSIONALLY AT IDLE

4

Omega General Help / Re: fault codes

« on: 08 February 2010, 13:42:51 »

CAR IS WORKING JUST SHOWING FAULTS

5

Omega General Help / Re: fault codes

« on: 08 February 2010, 13:42:00 »

ENOUGH OF THAT, THE LAD I BOUGHT THE CAR OFF HAD CHANGED TH PLUGS THE PREVIOUS DAY TO CAR PACKING IN.
HAVE LOOKED TO SEE IF EVERYTHING ON PROPERLY,SEEMS OK, THE FAULT OF PLUG MISFIRE ON 1,3 AND 5, WOULD JUST 1 OF THESE PLUGS MISSING SHOW UP ALL 3 TO BE FAULTY AS CAR GOES OK, ONLY TINY VARIATION AT IDLE?

6

Omega General Help / Re: fault codes

« on: 08 February 2010, 13:37:54 »

I AM HERE TO LISTEN FOR ADVICE. I HAVE MINIMAL KNOWLEDGE OF DIAGNOSTICS SYSTEMS BUT I WAS A FULLY QUALIFIED MECHANIC FOR MANY YEARS AND STILL TINKER AND SELL CARS AS A HOBBY,  CAR NOT WORKING, CHANGE ECU, CAR WORKING. SURELY ECU WAS U/S!?

7

Omega General Help / Re: fault codes

« on: 08 February 2010, 13:29:55 »

THEIR IS A 2.6 VECTRA, THEIR ARE 7 FOR SALE ON EBAY. AND 36 ON AUTOTRADER. SAME ENGINE Y26SE, SAME ECU AS LISTED BY BOSCH. LISTED IN PARKERS AS A MODEL AS WELL.
THE THROTTLE ISSUES I HAVE READ ABOUT RELATE TO 2.2,2.6 AND 3.2 MODELS {NEWER MODELS)

8

Omega General Help / Re: fault codes

« on: 08 February 2010, 12:56:40 »

No codes. Original issues were turn ign on, no eml or immob light. car would turn over but no spark, as battery was literally flat immob light would flash and car would start. once started eml lit up and tc light and car would only rev up by 100 rpm. leave running for an hour, turn off and wouldnt start again until battery flat to point of hardly turning over. plugged in on 5 different diagnostics systems could not connect to ecu. Pedal trick didnt work either.
By putting another ecu on now starts, revs up, all dash warning lights as should be!
Must have been problem with ecu as all works ok in that respect. Tried old one one again still no good.
Old ecu going to specialist let you know diagnosis.
Just now trying to solve fault code issues in case one was responsible for ecu failure, their are several listings across sites/forums on internet relating to throttle sensor taking out ecu on omega/vectra?

9

Omega General Help / Re: fault codes

« on: 08 February 2010, 12:21:49 »

Cheers just looked on ebay £65 for genuine bosch one not to bad!

10

Omega General Help / Re: fault codes

« on: 08 February 2010, 12:13:45 »

just removed all dry at plugs. As all 3 cylinders showing misfire could the coil strip pack be at fault?

11

Omega General Help / Re: fault codes

« on: 08 February 2010, 12:08:12 »

cheers will have a look.  any ideas on throttle fault?

12

Omega General Help / Re: fault codes

« on: 08 February 2010, 12:04:49 »

Cheers any idea which side of engine are cylinders 1,3 and 5

13

Omega General Help / fault codes

« on: 08 February 2010, 11:53:06 »

Since my previous post in november and some advice from a vauxhall technician i have changed my ecu and now the cars up and running. All lights out i have taken it for a run and when i pulled up at home the engine management light started flashing!!!
Have done pedal trick which has returned the following codes.

0100
0120
0220
0300
0301
0303
0305

I have read the codes sheet on the forum and gather 0100 is the maf,not a problem to change.
0120 and 0220 are throttle sensor probs, this is what vx technician told me are known for frying ecu.
the other codes relate to misfire on 3 cylinders.

Any ideas and suggestions gratly appreciated .

14

Omega General Help / Re: Starting problems then won't rev up!!!

« on: 17 November 2009, 21:41:40 »

yes, just dragged the wife away from im a celebrity,jacked up front and got her to watch dash again, no change! looks like homemade strap, dont think its part of this issue.
you seem a knowledgeable fella, what would you do? i really want to get driving this beauty!

15

Omega General Help / Re: Starting problems then won't rev up!!!

« on: 17 November 2009, 21:32:58 »

all battery connections ok. just noticed taped up strap hanging under front as ive moved it, its bolted to front crossmember and at a glance looks like it should go to bolt on engine by sump! have held it to engine whilst wife watches panel, no difference, but know engine earth straps well known for breaking and causing problems. bolt snapped off so will tap it out in morning.