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do not use gen2 iacv with megasquirt..it has center tap to coils joined together internally..(atleast mine does) making it a 5 wire stepper..ms will not work with it..need to fit gen 1 iacv with seperate coils.. then all you do is cut out/not use the center tap..ie on mine the black/red wires...

right then..fitted me nice refurbed balanced 315cc injectors..what a barstard..ad to take off s/c!!(changed plugs while at it) now me ms3 has turned up so stock ecu on its way out..but for time being whats the odds on stock ecu will learn new injectors are not 250 (or whatever cc) and are...

waiting for my ms3 to turn up.. trying to learn how it allworks..hurting my head!! it would be sooooooooooooo helpful if someone got a msq for boosted uz...please...(hit my laptop in fustration..dooh..need a new screen now..) thanks..

Got ms3 and daughter board on order..suplier says you cannot run lexus iacv with it..ie will only cintrol 4 wire stepper.. Is there away around this and still keep oe iacv? Thanks

Pls see cold start post.. But..what would cause iacv to wind shut when left for ages..or wind shut when cold on starting?? Symptons..when warm on start up iacv open..ie revs high .very quickly drops..as it should. Leave over night..no open.wont start unless throttle applied..then winds...

1995.no cold start injector type.been perfect apart from knock sensor fault which has now cleared itself. Untill last night and this morning..starter wizzes it around but no start for ages.fine when warm.suspecting iacv not opening..yet iacv is working..was perfect 2 days ago!. Have fuel so...

i know ..near on impossible to diagnois on here...but.. on heavy power..not always..but say at 5000rpm on full boost i get a hidious noise..at first thought it was severe pinking (knock)..but now i dont..(the engine aint blown up yet!!lol!!) sounds like a cog rubbing on metal.(thought it might...

Narrowed down choise to spitronic or ms..cost at present is an issue.. Ms does more but will be harder to set up.spit is cheap easy to setup but lacking in.. Full sequential injection and using wasted spark if i lose my dizzys.. What in the real world will running semi sequential mean...

hi..finally had enough of running stock ecu on my supercharged 1uz..(poor fueling..poor ignition timing..poor fuel economy..crapperformance on propane..etc0 so..i think ms3 is the one for me..mainly i must admit due to cost..and wanting to keep full sequential..(1995 uk 1uz-fe) i need it to...

see my other thread,but i have a code 52..its intermitent..i expect loom.. but as i really really dont want to strip dowm lpg system,super charger..etc.i was wondering..... if for now i cut knock sensor 1 wire at ecu and connect ecu knock input up to knock sensor 2 via a capacitor,say 0.1uf...

just started to bring up ecu light and shows 52 ..knock sensor 1...tis a 95 uc20 (2nd gen uk car engine) fitted in range rover..is supercharged.. now..how reliable are the toyota knock sensors..i expecy very!! so..where is number 1 knock sensor mounted?and more importantly where do the leads to...

any ideas how to stop??6 rib belt 8 rib sc (m112)..dont really want to replace all the pulleys... cant see how to make extra pulleys by the sc as belt runs directly down from sc with top rad hose inbetween them..extra pulley= no rad hose.. beefing up the tensioner and maybe squirts on...

Please see other post about too rich on cold start up. So...i hardy ever run on petrol when warm i use propane.but was wondering if injectors were playing up ie sticking due to lack of use so gave her a good run on petrol..discovered that she is running far too rich..espically on tickover but...

hi.. she has beeen fine for ages.but just started hunting and far too rich on cold start up.. cant find any vac leaks..she is perfect when hot start.no fault codes.. she fires up fine.but hunts between 500rpm and 1000rpm.a/f meter says 10:1 or less!!.will die if left with no...

timing marks are totally different and belt is wrong length..ahhhhhhhhhhhhh car is at work blocking up workshop..have to get it sorted asap before hols over or boss go mad!!ie tomorrow!!! engine is 1uz-fe 1995...dont know what from but UK model.. stripped it down,and what a barsta5d...

ok.. running m112 on gen 2 uz.8psi max. standard ecu and injectors..in tank range rover fuel pump (its in a range rover) when cold no problems,a/r meter shows good ratios,but once warm terrible on boost (ie keep it off) it seems to be when on first toes it,bogs down,stutters then catches...

ok.. running m112 on gen 2 uz.8psi max. standard ecu and injectors..in tank range rover fuel pump (its in a range rover) when cold no problems,a/r meter shows good ratios,but once warm terrible on boost (ie keep it off) it seems to be when on first toes it,bogs down,stutters then catches...

now...on swap..cant find enough info..but would a lack of speedo input to ecu cause funny idle problems?ie dying on over run as you come to a stand still? i dought it,but... oh gen 2 ls400 1995..

have idle issue.. dies when on over run,idle drops too low before iacv can ramp it up and stalls.. not iacv,air leaks etc.. so as i know tb and tps have been played with before i got them i would like to set them up as per toyota intended...have no info though.. engine is 1995 2nd gen,skinny...

ok..now supercharged,standard ecu as only 8psi on gen 2 engine.. but to help fueling i fitted aftermarket fpr..but since then (fitted when fitted s/c) is tricky to start,hunts unless i keep it at 1500rpm or so for a few secs.. fpr also drops all pressure as soon as engine switched off,ie not...