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[Taxi_Driver]

Hi all

I had been discussing this problem in the Gallery Section   but thought it better in here

My meega has some issues when on LPG.....poor mpg....poor perfomance.....like prolly down nearly  20% when you push it on lpg....totally gutless.

I had taken it back to the lpg installer several times complaining about the performance....they checked it and declared nothing wrong

Its been fully serviced at vx dealers....last service 60k....its now done 65k (B4 u ask its still under networkq warranty.....so dont want any probs arising from warranty claims)

Martin Imber helpfully suggested some things i try.....new plugs...new air filter

The plugs i changed last, have now done 12k so are due changing again, and i have vx plugs to fit....so this weekend i'll do them.

LPG is fussy and will highlight any engine prob.....

Now....the air filter....i thought id have a look at it earlier.....i thought the air box would be clip on like my veccy....ummm no its torx screws.....ok fine torx driver at the ready.....all undone ok except the the screw at the front right of air box.....its so badly rusted it aint coming out...got there in the end with the aid of flat bladed screwdriver and ummm a hammer....so got the air filter out and guess what its black!!!!

Another prob it had....was floor the pedal from standstill and it went cough cough splutter then went.....so tried it without the airfilter (not probably the wisest of things to do) guess what...it went no probs....no coughing at all.....put the air filter back in and back to cough cough again.

So....i may have found the prob.....it needs a new air filter.....dont vx bother to change the air filter then...when you have it serviced???

From the probs i had getting the filter out.....i guess its the original air filter....

I'll get a new air filter tomorrow......then hopefully shud be better....

Just a bit annoyed that vx dont bother changing the air filter....or coz they had probs like i did trying to get the air filter out they didnt bother!!

Cheers

[TheBoy]

Thats dealers for you. Bet they charged you for one as well....

[Taxi_Driver]

Thats dealers for you. Bet they charged you for one as well....

Dunno m8......im so crap at keeping invoices.....and carnt find it.....but pretty sure it just said 60k service + brake fluid change.....which i ok'd them to do.....but no mention of brake pads change which were done under networq warranty....

[STMO123]

When I take my car to my local garage for a 'service', they always call it a standard service-about £130. I've never bothered to ask just how basic this is.

[summat]

Thats dealers for you. Bet they charged you for one as well....

Reminds me of a bloke I work with - took his Saab into dealer for service - charged for the pollen filter replacement - afterwards he noticed that they hadn't actually changed it. Kind souls eventually posted one to him for him to fit, after he complained and threatened legal action.

I wonder WHY it is that we prefer to do the do-able jobs ourselves? (oil-changes excluded, in my case)

[Taxi_Driver]

Thats dealers for you. Bet they charged you for one as well....

Reminds me of a bloke I work with - took his Saab into dealer for service - charged for the pollen filter replacement - afterwards he noticed that they hadn't actually changed it. Kind souls eventually posted one to him for him to fit, after he complained and threatened legal action.

I wonder WHY it is that we prefer to do the do-able jobs ourselves? (oil-changes excluded, in my case)

And in my case......i dont mind doing plugs....and now air filter....oil change, rather take it to my local garage and pay to get it done.....its a bit difficult when the car is parked on road  

[Martin_1962]

I really hope this is the issue because it should better than you have been getting.

LPG systems are especially messed up by a clogged filter,  I am surprised the installers didn't check or notice.

LEt us know how it goes with a new filter in it!

[tunnie]

On inspecting my airfilter with TheBoy we discovered they fitted the wrong one.

Performance is up in mine, it used to feel very stuffy low down and would spluttler if I gave it full beans off the start.

Now no problem smooth as a babys bum though the lower rev range.

Make sure you get a GM part TD, don't bother with Pattern parts

[Salty]

What about using a K&N or similar air filter?? Anybody any views??

[Martin_1962]

Well you can clean K&N and they filter better - as to flow - that is debatable, it is not worse but I don't know if it is better. That said I think there is a tiny improvement.

But then I haven't changed an air filter in 5 years, I just wash them!!!!

[nixoro]

Well you can clean K&N and they filter better - as to flow - that is debatable, it is not worse but I don't know if it is better. That said I think there is a tiny improvement.

But then I haven't changed an air filter in 5 years, I just wash them!!!!

Just wash them never heard of that, I guess just soap and water will do the job.

[Marks DTM Calib]

K and N's I have always found to be rubbish, they filter ok but generaly have a lower flow rate after about 4-6 weeks of normal use as they clog up much quicker.

[nixoro]

I dont actually have a K&N filter but I guess I could do the same with what I have got.

[Martin_1962]

Well you can clean K&N and they filter better - as to flow - that is debatable, it is not worse but I don't know if it is better. That said I think there is a tiny improvement.

But then I haven't changed an air filter in 5 years, I just wash them!!!!

Just wash them never heard of that, I guess just soap and water will do the job.

There is a spray but mine ran out so I use washing up liquid and a lot of rinsing before reoiling

[Salty]

So whats best? standard paper filter?

I've never heard of washing a paper filter before is it effective??