Omega Owners Forum

Omega Help Area => Omega General Help => Topic started by: Smolle94 on 27 January 2017, 17:54:01

Title: High hydrocarbons and carbon monoxide values
Post by: Smolle94 on 27 January 2017, 17:54:01

Hello,

Omega 2.0 16v ecotech -98

Bought a omega recently and had mot yesterday.
Co 1,6 (0,5)
Co 2500rpm 1,2 (0,3)
Hc 175 (100)
Oxygen/lambda sensor 1,02(0,97-1,03
(Values in parantheses)

Title: Re: High hydrocarbons and carbon monoxide values
Post by: Chazza12 on 27 January 2017, 20:33:36

when was the cat last changed ? any engine problems ?

Title: Re: High hydrocarbons and carbon monoxide values
Post by: Lazydocker on 28 January 2017, 13:27:54

Check for misfires first. If all is good, give it a good service, some good fuel (or a decent additive) and an Italian tune up :D

Title: Re: High hydrocarbons and carbon monoxide values
Post by: Kevin Wood on 28 January 2017, 20:58:07

Also check it's getting up to normal running temperature. :y

Title: Re: High hydrocarbons and carbon monoxide values
Post by: Smolle94 on 29 January 2017, 18:29:41

It's running at about 90* but have some problem to keep the heat up on the highway.
When I "floor it" it smells like oil in the car.
Did a service yesterday. No difference...
I'll have no idé when the cat was change.
Italian tune up?
Sorry if bad english, not my first language :)

Title: Re: High hydrocarbons and carbon monoxide values
Post by: Doctor Gollum on 29 January 2017, 18:37:33

Fill it with shell optimax and two cans of fuel treatment, Wynns works well if available there...

Then drive it hard until the fuel is gone...

Repeat then retest :y

Title: Re: High hydrocarbons and carbon monoxide values
Post by: Lazydocker on 29 January 2017, 19:40:16

Sorry, didn't spot you were from Sweden.

Full with premium fuel, add some quality fuel treatment and then take it for a good, hard drive.

Title: Re: High hydrocarbons and carbon monoxide values
Post by: Kevin Wood on 29 January 2017, 23:51:17

I don't suppose it's suffering from a cracked exhaust manifold as many of the 4 pots do? Any sign of an exhaust blow from it when started from cold?

Title: Re: High hydrocarbons and carbon monoxide values
Post by: Smolle94 on 02 February 2017, 10:57:07

Didn't find any cracks in the exhaust, but did find some oil in the "pipe" thats closet to the cabin.
I think one or two of the valve "stering" is broken.  :(
So the engine will find a new life in the scrapyard.
A new hart will be donated from a Saab b204/205 hybrid  :)
The gearbox will be changed to a r25/28 or a r28
Do you recommend any differential(LSD)
Thanks for the help  :y