Omega Owners Forum - Cough Cough !

markey mark BANNED Offline banned for repeatedly reneaging on deals. Posts: 1 scunthorpe north lincs Gender: Drives: 99 mv6 est leather & 19"s	Re: Cough Cough ! Reply #30 - 19. Jul 2006 at 17:00 always best to do it yourself then you know its done right
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Martin Imber Over Active Poster Offline LPG Omega V6 - Keyfobs Rebuilt Posts: 20110 Worcester Gender: Drives: 2001 Omega 2.6CD LPG & 3.0 cams	Re: Cough Cough ! Reply #31 - 20. Jul 2006 at 23:34 Come on Dave - time for an update!
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Taxi Driver

Omega Lord

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Re: Cough Cough !
Reply #32 - 21. Jul 2006 at 07:45

Martin Imber wrote on 20. Jul 2006 at 23:34:

Come on Dave - time for an update!

Well....i havent anything new to report really...except mpg is up it seems by about 3 mpg running about town

its now doing approx 15mpg on lpg about town with aircon on....havent been on a run yet...tomorrow im off to Ipswich...so will be able to report what its doing on a run then.

It was certainly nippier when i changed the air filter.....doesnt quite seem as much now....but maybe im getting use to the extra power.....so taking it for granted now

The fast idle when starting has stopped.....so i guess thats settled down.

Did wonder if it was worth taking it back to lpg installer for readjustment...but dunno if clean air filter would make any difference to the settings they adjust.
Bearing in mind they reckoned nothing was wrong on the occasions i did take it back to them.

EML did come on yesterday but cleared after a restart.....havent checked the code yet....but not surprised....as vx dealers 'fix' last time for EML was on, was just reset it.

Cheers

Dave

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Martin Imber Over Active Poster Offline LPG Omega V6 - Keyfobs Rebuilt Posts: 20110 Worcester Gender: Drives: 2001 Omega 2.6CD LPG & 3.0 cams	Re: Cough Cough ! Reply #33 - 21. Jul 2006 at 14:40 Well mine is running too lean so I am booking an hour or so with a local installer with a ODBC compliant reader to watch my lamda probe - he reckons 1/4 hour to get trims correct
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Taxi Driver Omega Lord Offline OOF Holly Dog Posts: 8413 Swindon Gender: Drives: Fiat Scudo 90 Multijet (whatever that means!)	Re: Cough Cough ! Reply #34 - 21. Jul 2006 at 17:56 Martin Imber wrote on 21. Jul 2006 at 14:40: Well mine is running too lean so I am booking an hour or so with a local installer with a ODBC compliant reader to watch my lamda probe - he reckons 1/4 hour to get trims correct The installer i go to, just sticks a probe up the exhaust (like in MOT stations) and goes by that
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Martin Imber Over Active Poster Offline LPG Omega V6 - Keyfobs Rebuilt Posts: 20110 Worcester Gender: Drives: 2001 Omega 2.6CD LPG & 3.0 cams	Re: Cough Cough ! Reply #35 - 21. Jul 2006 at 19:05 This chap will use a ODBC thing or will intercept the Lamda
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TheBoy Administrator Offline TBE has an MOT! Posts: 64817 Brackley, Northants Gender: Drives: 98 MV6, 03 Elite, 00 25, 89 ZX10	Re: Cough Cough ! Reply #36 - 21. Jul 2006 at 20:16 You mean OBD - ODBC is a computing term...
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Martin Imber Over Active Poster Offline LPG Omega V6 - Keyfobs Rebuilt Posts: 20110 Worcester Gender: Drives: 2001 Omega 2.6CD LPG & 3.0 cams	Re: Cough Cough ! Reply #37 - 21. Jul 2006 at 20:22 TheBoy wrote on 21. Jul 2006 at 20:16: You mean OBD - ODBC is a computing term... aghhhhhhhhhhhhhhhhhhh
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Taxi Driver

Omega Lord

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Re: Cough Cough !
Reply #38 - 22. Jul 2006 at 17:35

After my run to Ipswich today, 360 miles round trip.
Steady 80mph where motorways allowed.
I can report my meega averaged 25mpg with the air con on.
Seeing it only did 24mpg before (on same run) without the air con on, i think this is vast improvement

SO if you add say 4mpg to the new average to account for aircon being on....more like 29mpg....an improvement thereabouts of 5mpg. Smiley

For you petrolheads this is prolly about 34/35mpg in petrol terms.

Also tested the cruise on the way back on the m4......it cruised up all the hills without changing into 3rd at all Smiley

(not like before, it used to change into 3rd on most of the hills) so definately power up as well!!

Think I'll be changing the air filter a bit sooner than 65k miles next time Grin

Cheers

Dave

PS Doing the plugs in the morning......this might even improve it a bit more!

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« Last Edit: 22. Jul 2006 at 17:37 by Taxi Driver »

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TheBoy Administrator Offline TBE has an MOT! Posts: 64817 Brackley, Northants Gender: Drives: 98 MV6, 03 Elite, 00 25, 89 ZX10	Re: Cough Cough ! Reply #39 - 22. Jul 2006 at 17:51 Sounds like a decent improvement, and certainly sounds like the drivability has improved
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Martin Imber Over Active Poster Offline LPG Omega V6 - Keyfobs Rebuilt Posts: 20110 Worcester Gender: Drives: 2001 Omega 2.6CD LPG & 3.0 cams	Re: Cough Cough ! Reply #40 - 22. Jul 2006 at 18:27 Looks like a worthwhile job them - better drivability and economy
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MartinP Senior Member Offline Posts: 791 Birmingham Gender: Drives: 2001 2.2 Ltr SALOON LPG	Re: Cough Cough ! Reply #41 - 22. Jul 2006 at 21:14 Only just read this thread From what I understand airflow is more critical to LPG setup, the installer of my single point conversion took the standard airbox off and fitted a J&R cone. Presumably he wanted to ensure adequate airflow. The car was bought after the conversion so this is second hand info.
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Taxi Driver

Omega Lord

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Re: Cough Cough !
Reply #42 - 23. Jul 2006 at 08:04

MartinP wrote on 22. Jul 2006 at 21:14:

Only just read this thread Roll Eyes

From what I understand airflow is more critical to LPG setup, the installer of my single point conversion took the standard airbox off and fitted a J&R cone.

Presumably he wanted to ensure adequate airflow. The car was bought after the conversion so this is second hand info.

Dunno about J&R cone Undecided

Condition of air filter is important to all engines, lpg, petrol, diesel.
This thread shows what happens if vx dealers or yourself dont change the air filter.
My meega had done 65k miles on what i believe was the original air filter....it was black/dirty....now a nice clean one

MPG is up, power is up.....so good result.
Mines got the original airbox on it....no mods there.
Does a J&R cone make it 'growl' a bit?......Maybe the previous owner wanted a bit of extra noise??

BTW Plugs are important to change with LPG......doing mine this morning.....they have done 13k now.....Best to do every 10-12k miles

Cheers

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The Cambelt Kid

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Drives: DIY LPG'd 2.6 MV6

Re: Cough Cough !
Reply #43 - 23. Jul 2006 at 22:27

Taxi Man,

I have the same problems with my LPG install (although i can't take it back to the garage as i fitted it myself) It feels a little lumpy when pulling off hard but if i were to pull away slowly it runs just fine. I also found that the problem occurs more so after a long run and the engine is upto temp. As soon as i'm past the 2.5k rpm mark it tends to clear up.

I will try a new filter this weekend and see how that improves it. Maybe i'll try removing the filter first as a very quick test!

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Project LP6 has landed!

DIY LPG now finally complete!! Whoo hoo.

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The Cambelt Kid

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Drives: DIY LPG'd 2.6 MV6

Re: Cough Cough !
Reply #44 - 23. Jul 2006 at 22:29

Taxi Man,

I have the same problems with my LPG install (although i can't take it back to the garage as i fitted it myself) It feels a little lumpy when pulling off hard but if i were to pull away slowly it runs just fine. I also found that the problem occurs more so after a long run and the engine is upto temp. As soon as i'm past the 2.5k rpm mark it tends to clear up.

I will try a new filter this weekend and see how that improves it. Maybe i'll try removing the filter first as a very quick test!

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Project LP6 has landed!

DIY LPG now finally complete!! Whoo hoo.

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