1986 Honda Prelude fuel injection proble

[Todd Knighton]

Michael,
	Sounds like the car has a problem and is running in limp home mode. 
Check out the diagnostic LED on the computer and see if it's flashing a
code at you.

Todd Knighton
Protomotive Engineering

Woodd, Michael wrote:
> 
> Hi all,
> 
> I have the above car (for those who care, the model preceeding the 4 wheel
> steerer),
> with the 2.0 twin cam injected engine, automatic tranny (boo hoo), catalytic
> convertor,
> but pretty amazing handling if you dare.  It was a Japanese import, got it
> cheap.
> 
> I am wanting to find out if anyone has any first hand experience tuning one
> of these.  Any
> information would be good for curiosity and future use. i.e. what processor,
> general system
> type, open loop or not, sequential or batch injectors, does it have an
> exhaust sensor of some
> description you name it, if you know it, I want it.... :)
> 
> My problem at the moment though, is that it idles way too fast both at fast
> idle and warm idle,
> it absolutely chews through gas around town (as low as 20l 96 octane per
> ~120 km,
> it seems i'm always
> putting the stuff in), and it seems to have a big torque hole below 3200 rpm
> (i.e. it pulls ok from
> there, and really strong from about 4100 to 6000 before practically dying at
> redline 6500, so
> much so that it seems artificially induced but not by rev limiter.  Also,
> there is a speed cutout
> at 190 km/h that I want to remove ;-).  Want to fix it myself, as I don't
> know of anyone local I
> can trust to do a good job so I'd rather f*ck it up myself.  Oh, runs a
> filthy black exhaust, so I
> assume a rich running condition is to blame for at least some of the above,
> but i'll leave you
> to judge for yerself.
> 
> Anybody know of anything I can check for these problems?  Anybody know of
> simple perf.
> mods?
> 
> Cheers ears.
> 
> ps what does EGO and HEGO stand for, is this another name for a Lambda
> sensor?
> 
> Mike Woodd
> (wooddm at akcity.govt.nz)