Runs sh!t on optimax

[Daddycool]

Sounds like you need to put your lead boots on & go for a blast!! I wouldnt worry about the mileage 131k!! thats barley run in! I dont start counting the miles on VW's till they get to a 100k so by that logic yours has only done 31k!! & is 3 years old!!!! so grab it by the scruff of the neck & give it a rite good thrashing its what there built for!! I hit the rev limiter in 5th at 120 most days tear arsing round the M60 trying to get to work on time never did mine any harm! 

[Mk1Mad J - 16v]

Different companies fuels have different additives in them even between the 95 and 98/99 ron fuels and they don't always mix well 

I usually use Optimax and my car loves it but if I run low and can find a Shell and I have to go to a different station my car runs like sh!t for as long as the other fuel is in there, then for a couple more fill ups it miss fires now and then.

Did you go from BP unleaded to Optimax as I find a BP/Shell mix to be the worst of all 

[Uruk Hai]

I went from Sainsburys bog standard unleaded to Optimax

[...joe]

^^^ but have you taken it for a rag yet? i'm just waiting for you to come back and say "f**k me my cars quick"

[Uruk Hai]

Not yet, Patience is a virtue and I'll get round to 

[Uruk Hai]

Give it a good blow out on the by-pass coming home tonight and I cant believe how cleanly and smooth it pulls even close to the red line, I also forgot the amount of punch the car's got in 2nd, 3rd and 4th. So hopefully now this little run I gave it should help 

[mexicorich]

Get it opened up or you might as well be driving a 1300cc!

Disconnecting the battery overnight might help the ECU to relearn its setting for differnt fuel

[monzablue16v]

Give it a good blow out on the by-pass coming home tonight and I cant believe how cleanly and smooth it pulls even close to the red line, I also forgot the amount of punch the car's got in 2nd, 3rd and 4th. So hopefully now this little run I gave it should help 

Thats what we were waiting for is it running a bit better?

[Agreeable Slick]

Get it opened up or you might as well be driving a 1300cc!

Disconnecting the battery overnight might help the ECU to relearn its setting for differnt fuel

it will also reset the maf completely, and also the alarm/immobiliser, so he cannot use it.

Nice one.

[rubjonny]

Get it opened up or you might as well be driving a 1300cc!

Disconnecting the battery overnight might help the ECU to relearn its setting for differnt fuel

it will also reset the maf completely, and also the alarm/immobiliser, so he cannot use it.

Nice one.

Sorry you're both wrong 
Unplugging the battery on a MK2 Digifant wont reset the ECU or the MAF, theres no 'memory' to speak of.  Plus if your alarm/imobiliser stopped working if you disconnected the battery it would be pretty useless wouldn't it!