Omega Owners Forum

Omega Help Area => Omega General Help => Topic started by: lawdman on 09 January 2009, 23:18:46

Title: eml light
Post by: lawdman on 09 January 2009, 23:18:46
hi guys. my eml comes on first thing in the morning for about 2 mins, if i start and go. if i leave the car to warm up and then go it doesnt come on. however it has now started coming on even after being warm, especially if at low revs say on the motorway. even then it goes off after about 20 seconds. i read something about lambda sensors??? any ideas cheers
Title: eml light
Post by: hotel21 on 09 January 2009, 23:24:13
[movedhere] Forum Problems [move by] hotel21.
Title: Re: eml light
Post by: RobG on 09 January 2009, 23:30:28
Quote
hi guys. my eml comes on first thing in the morning for about 2 mins, if i start and go. if i leave the car to warm up and then go it doesnt come on. however it has now started coming on even after being warm, especially if at low revs say on the motorway. even then it goes off after about 20 seconds. i read something about lambda sensors??? any ideas cheers
Read this http://www.omegaowners.com/forum/YaBB.pl?num=1189022687  Do the test, then post up the codes :y
Title: Re: eml light
Post by: lawdman on 11 January 2009, 22:50:20
ok did the paperclip test and got

12
16
31

am i right in saying this is a knock sensor fault? if so what is it where is it and how much to fix??

cheers
Title: Re: eml light
Post by: feeutfo on 12 January 2009, 03:00:39
Quote
hi guys. my eml comes on first thing in the morning for about 2 mins, if i start and go. if i leave the car to warm up and then go it doesnt come on. however it has now started coming on even after being warm, especially if at low revs say on the motorway. even then it goes off after about 20 seconds. i read something about lambda sensors??? any ideas cheers
Even in the manual it says to drive off straight away rather than wait for the car to warm up. Try the paper clip test and post up the codes.http://www.omegaowners.com/forum/YaBB.pl?num=1189022687
Title: Re: eml light
Post by: lawdman on 12 January 2009, 21:23:24
hmm yeh like i said i did the paperclip test.
12 16 31

am i right in saying this is a knock sensor fault? if so what is it where is it and how much to fix??

cheers
Title: Re: eml light
Post by: iainb on 12 January 2009, 21:38:55
On the V6 you have 2 knock sensors
Check to see if the wires are trapped
if you have had work done recently to cam covers or cam belt.
The wire runs close to the front of the engine. On the right bank check from the EGR down
Title: Re: eml light
Post by: Marks DTM Calib on 12 January 2009, 21:40:19
16 is knock sensor 1 which is the drivers side one....check the wire has not been caught in the aux belt following a (poor) cambelt change
Title: Re: eml light
Post by: lawdman on 12 January 2009, 22:15:40
dont suppose anyone as got any pics of what im looking for?
Title: Re: eml light
Post by: Marks DTM Calib on 12 January 2009, 22:20:36
Look at the front of the engine where the aux belt runs.

Below the throttles you will see a plastic tray which has cablse coming out of it.

Near the middle of the tray (slightly left of centre), you will see a single wire that is part of a connetor which is also clipped to the tray.....this is the knock sensor wire in question
Title: Re: eml light
Post by: lawdman on 12 January 2009, 22:26:50
what does the knock sensor do?
Title: Re: eml light
Post by: RobG on 12 January 2009, 22:30:06
Controls ignition advance and retard to prevent knocking (pinking) :y
Title: Re: eml light
Post by: lawdman on 12 January 2009, 22:52:11
it means nothing to me but thanks
Title: Re: eml light
Post by: RobG on 12 January 2009, 23:16:29
The "knock sensor" picks up when the engine is starting to "pink", in simple terms the ignition is too far advanced for the load on the engine. The ecu receives a signal from this sensor and retards the ignition to suit.

It is an "active" signal since the ecu is nearly always trying to run the timing as advanced as possible.  :y
Title: Re: eml light
Post by: lawdman on 31 January 2009, 17:59:00
had a look but cant see any wires trapped, though not really got a clue what im looking at. can anyone recommend a garagae round manchester area good on these cars and anyone got  a clue on price i should be looking at to get it sorted

cheers
Title: Re: eml light
Post by: ScottieMV6 on 31 January 2009, 18:43:12
I can recommend Blackmoor Service Station in Astley. I know the foreman Phil very well and they are always reasonably priced.

Depends how far from Astley you are?
Title: Re: eml light
Post by: lawdman on 03 February 2009, 21:37:12
took it to my local garage in denton to see what he thought. he said he couldn't get a reading of it as the fault kept changing every time he read it.

cant help thinking hes not being straight with me as i got the same flash code each time??

does this sound plausible and if so any recommendations?
Title: Re: eml light
Post by: lawdman on 09 February 2009, 21:07:02
finally decided not to bother with all this and am selling it on ebay        Item number: removed by TheBoy - see our rules about ebay item numbers if anyone interested!!!!!!