hi,
ive just finished puting the 2.0 zetec lump and 1800rs inlet in to my 1.6 fiesta,

but now ive got a hesitation/misfire when below 1/4 throttle,
and the revs are constanlty going up and down at idle, like its strugaling to run,

all the sensors are pluged in, and im using a 2.0 desk ecu, with the maf that cam with the engine (its from an auto)
is it ok to use the maf from the other type of ecu with my desk ecu. ????

need to get thei misfire sorted, im also getting about 16mpg

any help would be greatly appreciated

 

Your not having much luck with that Fezzy

 

Ref the mpg, lambda sensor?

And you can only use a 2.0 MAF with a 2.0 ECU & vicaversa

Did you change injector o-rings? Are you using 2.0 injectors?

I take it you've tried spraying WD40 around the inlet?

 

ive got a 2.0 maf, ecu and tb, but not all from the same car, the ecu and mafs were from different cars,

got 2.0 injectors to,
when ya foots down it just pulls, no missing, no poor response, just on part throttle,


get bent alan lol, least my fiesta moves lol

ill go try the wd40 now

 

Fpmsl Ok you got me there
But hay im waiting on Luke

 

be growing a new car then dud eloool

 

Im beging to think its never going to leave the garage

 

get lewis to paint it, would cool as a track car
painting by numbers lol

 

 

tried the wd40 now, still nothing, no change in revs at all

i did unplug the idle control valve, and nothing changed either, i was expecting it to stall, but it carried on hunting,

so does that mean its my icv, i have a spare so could try that

 

check the injector seals are all in ok mate,

sounds like an air leak to me, vacuum hoses? right inlet gasket? injector seals?

get a long piece of tubing, vac hose or someting, put one end to your ear and move the other end round the inlet, will find an airleak in no time if thats the problem.

 

been to chat to a mate about it, hes in the trade, he said air leak on the inlet aswell,

another thing i thought of was, when i put the engine in i used the 2.0 breather insted of the 1.6 breather (on the front of the block) and i didnt have the right pipe, so i blocked the pipe that would go from the inlet to the breather of, and the block breather vents to atmos, could that be the problem ?

 

dont think so, check injector seals mate!! i've had this problem so many times and its been an injector seal on wrong where it mets the inlet

 

ill pull the fuel rail of now, doing my tits in, have to go down the motor way in third to avoid the mis fire ;

 

Good reason if you get stopped by the old bill i cant drive it under 120mph if i do it will miss fire
Fingers crossed you get it sorted

 

taaada,

sorted,
bolted an earth back on,
and luke fitted the throttle position sensor on up side down


mmmmmmmm, 2.0 fiesta si

 

Bloody banana's

Well now you can enjoy it and save abit of fuel money

 

Glad you got it sorted !

Would of said inlet leak too !

jb

 

news flash,

its fucked, missingnow worse than before,

will be taking the inlet of tommorow,

getting rather pissed with this car now

 

 

any body else on here done this conversion ?

 

Fuck sake

Try asking on www.ford-force.com

 

cheers mate, can you have a butchers at my ther post about the gaskets, i reckon i may have worked it out