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Megane 225. Acceleration problem

Posted: Fri Aug 25, 2017 8:36 pm
by Chappyboro
Wondering if some one can help.....

I have a 06 megane 225

When accelerating hard @3K the car seems sluggish and no boost or no power

I've changed the plug witch are ngk.
And changed all coil packs

Re: Megane 225. Acceleration problem

Posted: Sat Aug 26, 2017 5:50 pm
by grandadbobby
Hi,
not conversant with that car, but the chances are you need a fault code to work on.
Otherwise, is the fuel filter clear and the tank can breathe.
Bob.

Re: Megane 225. Acceleration problem

Posted: Wed Aug 30, 2017 1:11 pm
by Chappyboro
Hi

I have limit knowledge about fixing car but not totally clueless how could I check the fuel

Thanks mark

Re: Megane 225. Acceleration problem

Posted: Wed Aug 30, 2017 8:18 pm
by grandadbobby
Hi Mark,
take a look on 'megane sport' forum, it looks like the filter is part of the pump.
You may need to get the pump tested also.
Good luck
Bob.

Re: Megane 225. Acceleration problem

Posted: Wed Aug 30, 2017 9:22 pm
by Chappyboro
Hi Bob

If the pump is not at fault what could also be a suspect

Injector?

Re: Megane 225. Acceleration problem

Posted: Thu Aug 31, 2017 12:04 am
by grandadbobby
lf it was an injector or anything electrical you will get a fault code.
You need a diagnostic tool if you want to work on it yourself.
lf there are no fault codes then fuel would be the suspect.
Bob.

Re: Megane 225. Acceleration problem

Posted: Thu Aug 31, 2017 6:19 pm
by Chappyboro
Hi Bob there isn't no fault codes so fuel it may be

Re: Megane 225. Acceleration problem

Posted: Mon Sep 11, 2017 2:53 pm
by AlexB
With a fuelling problem there will be abnormal trim values on OBD...

You may also look at the boost pressure live readings, also on OBD.

One more option is the dephaser stuck in the retarded position. If the case, then it may rattle on startup or may be just stuck.

Chappyboro wrote:Hi Bob there isn't no fault codes so fuel it may be

Re: Megane 225. Acceleration problem

Posted: Sun Oct 29, 2017 7:47 am
by Chappyboro
:cool: . Finally got it sorted turn out to be fuel pump £80 later and all do

It was failing under load
Thanks for your help