The level at idle won't come down below 9%,had m8 check it last week and would'nt go below 10% so fitted a new coolant temp sensor as the screw on ECU did'nt make any difference to levels

Have been told you can reset the mixture screw pot by turning screw 4 turns in then 4 turns out then 2 turns back,supposedly this resets it???

Could this be a chip problem,or is there anything else I can check/replace that would affect fueling?

Any help appreciated

 

Might be a mapping issue, could be a map sensor issue...there are a few variables. I would get it to a tuner asap before you suffer from bore wash...

 

As Daz said, get a tuner to take a look.

Mess with it yourself and you could end up with an engine from Cadburys

 

are you sure there isnt a brake in the wires going too the coolent sensor?
i can tell you the pins if needed so you can measure the resistance with a multimeter!

is the engine hot enough? has the fans come on?

gareth

 

Yeah was hot m8,don't own a multimeter

DazCoes the MAP sensor affect the fueling on tickover?

If so have got a spare 3-bar so could try that!

Cheers

 

It effects the fueling all over. It is the main sensor the ECU needs to calculate fueling. The ECT sensor has influence on this though...

 

Nice 1 DazC

Will give my spare 3 bar a go 2moro,will check connections/earth to it too

Will running it at 9% Co give me bore wash?

 

Yes. It's far too rich besides being highly illegal...

 

when my cars co was that high it was the map sensor at fault plus the fuel pressure regulator was at 4 bar which is way too much..............

 

Cheers,will bang sensor on and get m8 to check fuel pressure

 

did you get it sorted mate ?

 

Not yet

Tryed diffrent MAP sensor,no joy

Found fuel press reg was'nt working as it should be,took vac pipe off and pressure
did'nt rise!

Could have been costly on a long flat out blast

Got a chip on way so going to try that(cheers RS Gus)

 

Hope you enjoy the chip m8 came out my car

 

Kev, I had a simalar problem, take a look at this link.

http://www.rsnorfolk.co.uk/Useful%20Info.html

It worked for me.

Gav

 

Cheers m8.Hope you sort your motor soon.Bargain priced chip though

 

Cheers m8,think your Esc Cos has got a lot more advanced ECU than
my old L6

P8 ain't it in Esc Cos????

Be worth a try I suppose.

 

Be worth you trying that link bbigman2000

 

Yes it is P8,

hope you get it sorted.

Gav

 

I got mine sorted out bud its an L8 ecu in mine, jsut adjusted the co screw in a little and shes running and idling mint now, havent got A co meter but will take it somewhere soon and have them set it properly

 

mines doing the same ...need to find tuner local ish quick

 

Mines sorted at last

Back on the road

It was the ECU that was fooked in the end,thank you for everyones input

Bought myself a multimeter and checked all resistances on sensors and earths etc on ECU plug,meter was £8,well worth the money

Thanks also to MSD,very helpfull and freindly advice over the phone