Omega Owners Forum
Omega Help Area => Omega General Help => Topic started by: TheBoy on 28 August 2006, 19:03:55
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Project TB1 keeps lighting up EML with Knock Sensor Circuit 2.
I think I need to renew the plenum O rings as they look tired, and there does seem to be a sucking noise from under plenum.
Could this possible air leak cause the knock sensor error? Or should I be replacing knock sensor? Can they be swapped side to side (see if fault moves with sensor or stays on same bank)?
Any pointers on what else can cause this problem would be appreciated....
I also reckon the car is holding back a little, esp under load... ...related? Could be, as normally when eml comes on...
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Could this possible air leak cause the knock sensor error? Or should I be replacing knock sensor? Can they be swapped side to side (see if fault moves with sensor or stays on same bank)?
Any pointers on what else can cause this problem would be appreciated....
I also reckon the car is holding back a little, esp under load... ...related? Could be, as normally when eml comes on...
Is the part number the same for the two?? Different part numbers would suggest a difference.
Did you change the petrol filter?
Cheers
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I haven't changed fuel filter - wouldn't have thought that would cause knock sensor probs? Might affect performance though...
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Struggling to find Knock sensor part codes, probably Vx call them something else...
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I haven't changed fuel filter - wouldn't have thought that would cause knock sensor probs? Might affect performance though...
Soz didnt really make myself clear....
I was on about fuel filter for the 'holding back' prob
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Found the part nos, look like same each side. Just need to find them on the car.....
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I think the holding back may be related to knock sensor (this would retard ignition I guess?).... ...I'd be surprised if the fuel filter would make that much difference (this car does seem quite sluggish).
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Knock sensor locations are in section 4A/7 of the haynes, Jaime
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Cheers! Didn't think of refering to book of lies :-[
Mind you, Haynes has realling pissed me off today. The wiring diagrams are not matching my car >:(
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Cheers! Didn't think of refering to book of lies :-[
Mind you, Haynes has realling pissed me off today. The wiring diagrams are not matching my car >:(
Thats not Haynes fault, its your car not matching the diagrams... ;) ;D
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I think the holding back may be related to knock sensor (this would retard ignition I guess?).... ...I'd be surprised if the fuel filter would make that much difference (this car does seem quite sluggish).
Your prob rite m8.....just remember Ron saying changing the fuel filter on one of his many, made a world of difference :)
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My MV6 one was fairly dirty (thanks dealer, for charging me for replacing, and not >:(), but difference wasn't really noticable.
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Found the part nos, look like same each side. Just need to find them on the car.....
Thats good.....must be the same then ;)
But dont ask me where they are......you've got more stars than me....so you should know :D
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I believe the knock sensors are piezo ceramic, so they're likely to give a problem if cracked (physically damaged) or loose. Otherwise there's not much else to go wrong except wiring.
I'd check it's on tight first.
I wouldn't expect an air leak to fool them.
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Read the Haynes, look like a right PITA to get to... >:(
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Get old 'bendy arms' Tunnie onto it. ;D ;D
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now there's a thought....
Where's Tunnie when you need him ;D
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You rang?
Go Go Gadget hands....
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Toying with changing knock sensor. Looks almost as much fun as the DIS :(
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Toying with changing knock sensor. Looks almost as much fun as the DIS :(
Yay! :D
Although this evening I will probablly be going to my grandparents, and won't be back until thursday night.
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I'm sure the car will still be here upon your return ;)
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I'm sure the car will still be here upon your return ;)
should hope so too ;D
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Full marks (no pun intended) to Marks_DTM who correctly indentified the problem via text msg this morning - cable trapped in cam cover, and subsequently donald ducked...
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Next question - where is the actual sensor itself (can't trace wiring as it had worn right through). Haynes isn't that clear and suggests just in front of oil filter (can't see it is is) and remove engine mount! Surely it won't require that amount of effort?
Can it be reached from above - is it above or below the manifold?
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Had to change both of mine last year. The one you want is below the manifold, around the engine mount area. You don't need to dismantle engine mount, but a flexable? extension bar is useful(or use a small socket set). Took 5mins to get it off and 20mins to run the new cable following old route.
Yes it does affect performance (a lot in my case). Hope this helps. :)
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Despite plenty of looking, I can't even see the damn thing. Even took off oil filter for better access :(
I have managed to repair the sensor wiring - and the thing now goes much, much better :D
Thanks for everyones help, esp Marks_DTM for his invaluable help
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Well, if you cant find it what hope have we novices got :(
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Well, if you cant find it what hope have we novices got :(
Rember if any admin says a job is easy, to us normal folk its fairly hard.
A 'fiddly' job would take us about a day or 2
And if they say a job is hard, forget it!!! Try getting blood from a stone, that would be easier ;) ;D
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I would class DIS pack as easyish, if somewhat fiddly ;)
Even easier if you get someone else to do it.... ;D
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I would class DIS pack as easyish, if somewhat fiddly ;)
Even easier if you get someone else to do it.... ;D
;)
Even better when the 'someone' else has wafer thin arms and hands! ;D
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and is light enough to sit on engine...