Omega Owners Forum
Omega Help Area => Omega General Help => Topic started by: Ploppy on 01 May 2010, 22:16:28
-
Hi,
have just done the pedal test on my 3.2 special omega...
dont know what the codes mean...
need your help please...
are as follows::
0704
0420
0430
0650
thanks
Ploppy
:'(
-
Here's the list of fault codes;
http://www.omegaowners.com/forum/YaBB.pl?num=1220619696
-
Thanks for that...
looking at those are there any things I need to worry about?? :o
-
0704 clutch switch - change it, easyish job.
0420 and 0430 precats - moving the 2 front lambdas back will cure that.
0650 - malfunction indicator - not a clue ;D
-
Thanks for that info...
is there a thread showing how to replace clutch switch????
Um dont know about moving lambdas ... wouldnt have a clue :-/
-
Thanks for that info...
is there a thread showing how to replace clutch switch????
Um dont know about moving lambdas ... wouldnt have a clue :-/
These codes for lambdas are common on 2.6s and 3.2s due to the catalytic converters becoming a little inefficient, moving the lambda sensors to a different position by welding them fools them into correcting the fault for not much money or effort :y
-
Does it mean the cat is on its way out??
No warning lights on,,, although is does have a very slight misfire ...
Ploppy :y
-
No, just a little tired I think mate :y
-
Does it mean the cat is on its way out??
No warning lights on,,, although is does have a very slight misfire ...
Ploppy :y
doesnt show i missfire code, in the traditional sense anyway, and nothing in the list would suggest a running problem. Although thats not to say theres nothing wrong.
Tell us more about the missfire, is it when hot or cold? in a certain rev range? does it still pull ok?
Cat issue is normal on the drive by wire engines, and eventually the engine light should come on if the bulbs not been removed already.
It relates to "pre cat" efficiency low giving a reading out of tollerance raising the code. 2 exhaust sensors on each bank, 1 sensor before the precat measures exhaust gas, another after the pre cat measures the cleaned exhaust.
Code basickly means the exhaust isnt clean enough. But, the exhaust gas has yet to pass through the main catolitic converter which cleans exhaust no problem, so the fix is to move the second exhaust sensor to a position after the main cat, by welding a new boss to screw into, the sensor then sees legitimately clean gas and no more code issue. Simples, or it would be if i could weld. ;D
-
I've moved a few lambda's now, quite a simple job. Hardest part is removing and refitting the cats. There is a howto in the maintenance guides Ploppy :y
-
Thanks Chaps...
really good info,,,,
will have a closer look at the misfire,, it seems when I kick down misses a little then kicks in,,,, but will get the rev range etc... also on idle it does rev up and down a little??
Thanks Ploppy
:D :D :y :y :D :D