Omega Owners Forum

Omega Help Area => Omega General Help => Topic started by: laney101 on 18 February 2020, 09:55:22

Title: Spanner light v6
Post by: laney101 on 18 February 2020, 09:55:22

3.2 2003 mv6

Had oil in well so replaced rocker cover and gasket. Installed 6 new plugs. All bolts torqued to manual specs.

I also replaced all intake seals  on lower and middle plenum

Also replaced the vac lines with brand new genuine vaixhall vac pipe.

Car runs ace now smoother idle pick up better.

But every now again spanner loght comes on. Then goes of on own with in a few mins

Checked with obd scanner no codes. Done pedal trick no codes

Anyone any guesses

Title: Re: Spanner light v6
Post by: terry paget on 18 February 2020, 10:57:42

Probably emissions, lambda sensor temporarily upset. They worry too much. My wife tells me I do so too. Best ignore it. She ignores me.

Title: Re: Spanner light v6
Post by: New POD on 18 February 2020, 12:31:28

Mine does that.  My understanding is that the first cat is probably temporarily not doing it's job.

Title: Re: Spanner light v6
Post by: New POD on 18 February 2020, 12:35:08

See link in my thread about a new exhaust.  :y
Thanks stemo

Title: Re: Spanner light v6
Post by: cam.in.head on 18 February 2020, 18:06:53

i was under the impression the spanner light was for non emission related stuff and the engine light was for that purpose.?

Title: Re: Spanner light v6
Post by: laney101 on 18 February 2020, 18:21:32

Lambda sensors all new past 12 months.. i also dont have eml on at all as second sensor behimd full cat.
Cats are also the original 3.2 genuine VX ones.

Its only done it once after i did pligs gaskets seals etc.. maybe was having a hissy fit... ill keep eye on it

Title: Re: Spanner light v6
Post by: Migv6 le Frog Fan on 18 February 2020, 18:43:31

Quote from: cam.in.head on 18 February 2020, 18:06:53

i was under the impression the spanner light was for non emission related stuff and the engine light was for that purpose.?

Correct.

Title: Re: Spanner light v6
Post by: laney101 on 21 February 2020, 18:18:58

It ok sussed it all sorted one sensor not connected properly been fine since

Title: Re: Spanner light v6
Post by: TheBoy on 22 February 2020, 11:31:47

A tired precat will cause the light to come on and stay on until cleared.

You need a code reader on it whilst the light is on. Do not turn off car.

Title: Re: Spanner light v6
Post by: laney101 on 25 February 2020, 12:15:16

Pre cat lambda issue  will throw up management light not spanner light..

As stated it all sorted was rear multi ram plug not connected properly


I don’t have cat issue on mine as moved sensor to back of full cat and they’re genuine cats