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31

Omega General Help / Re: Urgent help.. High Lamda Reading?

« on: 21 October 2010, 11:41:09 »

thanks KW, I'll do all of the above checks... If I still have probs I might possibly have to consider a pre-booked MOT near alton will pm you well in advance if i don't have any luck 

32

Omega General Help / Re: Urgent help.. High Lamda Reading?

« on: 20 October 2010, 00:09:38 »

MDTM, no fault codes? still not sure about the significance of the suspected vacuum leak though...

33

Omega General Help / Re: Urgent help.. High Lamda Reading?

« on: 19 October 2010, 14:35:43 »

thanks MDTM

engine is getting up to temp no probs, will check for fault codes but think they're clear (eml not flashing up)...

will post back later.

34

Omega General Help / Urgent help.. High Lamda Reading?

« on: 19 October 2010, 01:36:59 »

Took car back for MOT today, having replaced CAT & lambda sensors (not cheap) because previously failed on high CO... The CO reading is now fine but Lambda reading 1.04 (was 1.03)... nothing else wrong. I have one idea but don't know if could be the culprit? The manifold inlet gasket for egr isn't tight because of a previously cross threaded torx bolt. No visible gap but wondered if this would cause a vacuum leak?

Any help much appreciated, I've now run out of cash 

35

Omega General Help / Re: Steady 4500rpm for 15mins... Blown HG?

« on: 04 October 2010, 23:25:09 »

thanks guys 

36

Omega General Help / Re: Steady 4500rpm for 15mins... Blown HG?

« on: 03 October 2010, 22:39:43 »

Posted bt Aaronjb

Along with the other questions; do you get the white smoke all the time (it's just got much colder outside, so you'll see much more than you were a week ago..) and is it overheating now at all?

Update: no more white smoke, not overheating at all (sat in very heavy traffic yesterday for over an hour, no probs), no coolant loss & no mayo in filler neck... Panic over, HG is fine  I'll be a bit more careful who I let play with her next time 

37

Omega General Help / Re: Steady 4500rpm for 15mins... Blown HG?

« on: 27 September 2010, 20:07:08 »

I hope they kept a close eye on the coolant temperature

I hope so too 

afaik the fans are working fine but to be on the safe side I'm gonna test them using the method outlined by Dave AW http://www.omegaowners.com/forum/YaBB.pl?num=1276355362/15 just not sure if I've got the correct number layout for the test socket... thanks kw 

38

Omega General Help / Re: Steady 4500rpm for 15mins... Blown HG?

« on: 27 September 2010, 14:12:39 »

thanks for all the replies; white smoke is the only symptom I've noticed... Don't know if they made sure it didn't overhead? unofficial print off showed engine oil temp 112 degrees? not overheating since I've had it back... but will keep an eye! no coolant loss 

39

Omega General Help / Steady 4500rpm for 15mins... Blown HG?

« on: 27 September 2010, 01:38:31 »

In a desperate attempt to drop my emissions for fast idle test a local MOT garage unofficially locked my throttle at 4500rpm for 15mins to see if CO would drop below 0.3%

Now I have white smoke from tail pipe  Could this engine speed for 15mins blow my Head Gasket? The mig was already nice & warm but she is 14 yrs old 

Is it likely or maybe just coincidental...

40

Omega General Help / Re: Radiator Fan problem? early V6 model

« on: 03 October 2010, 23:29:59 »

Thanks testomega, yours is same a FL layout which 2nd diagram shown for V6 models...http://www.omegaowners.com/forum/YaBB.pl?num=1176542235  but you seem to have K67 blue relay in second space? not black headlamp washer K97 relay as shown on diagram... but you're conjecture is right I do have A/C and therefore 3x Fans... So would agree that I should have same number of relays... except I don't have headlamp washers (your'e catera should have) so that would tie in with RobG's explaination 

41

Omega General Help / Re: Radiator Fan problem? early V6 model

« on: 03 October 2010, 23:04:14 »

Thanks RobG, I will take your word on it, thought second from left was for K67 as shown in this diagram (identical to my layout) http://i863.photobucket.com/albums/ab197/philrich1064/Fan_test.jpg

The OOF diagram for V6 with a/c (mine) differs from my relay box... compare with pic above 

42

Omega General Help / Re: Radiator Fan problem? early V6 model

« on: 03 October 2010, 22:27:37 »

Thanks TestOmega very helpful, need to read a second time to assimilate all the information 

Does the PFL usually have a relay (K67) in space shown on my pic??? or am I missing one  :-/

43

Omega General Help / Re: Radiator Fan problem? early V6 model

« on: 03 October 2010, 00:35:30 »

Posted by RobG Yesterday at 10:46
This might help http://i863.photobucket.com/albums/ab197/philrich1064/Fan_test.jpg

Thanks RobG this is the missing link  this confirms the pin layout exactly the way I thought. Also expected results for the PFL when testing... I can do a decent 'how to' with photo's if admin approve (would mean nicking 'dave aw's diagram and test results for FL models though) 

p.s. looks like I am missing relay K67 in on my mig  http://www.omegaowners.com/forum/YaBB.pl?num=1276355362/15 anyone got a spare 

44

Omega General Help / Re: Radiator Fan problem? early V6 model

« on: 02 October 2010, 02:38:43 »

Thanks KW... they seem to go straight to high speed when temp hits 97.5... I think half speed stage might be defective but didn't want to ground the pins without being certain that I've understood dave-aw's description of the pin order correctly.. The pic that I posted is to the best of my knowledge what dave is describing? but wouldn't mind a second opinion 

45

Omega General Help / Re: Radiator Fan problem? early V6 model

« on: 02 October 2010, 01:33:21 »

Nope, 'just dave aw' & my own posts (same thread)... http://www.omegaowners.com/forum/YaBB.pl?num=1276355362/15 nothing else