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running issues

Posted: Sun Dec 10, 2006 8:19 am
by benny
ok guys the honeymoon is over... i'm hearing and noticing things i didn't when i was all giddy about getting a starion again :)

there is:-

a rattle on deceleration
it chokes at idle if i pump the brake
chokes on low rev full throttle ( i.e. accelerating hard from a standing start ) - intermittent
has a fuel leak through a screw on the top of the eci
and it makes power to 5k but goes so quick and soo smooth to 6k am i losing power up there??

any heads up would be appreciated

Posted: Sun Dec 10, 2006 10:25 am
by lowlancer
2.6? If so, you'll probably find it won't like to rev and power will be a bit thin on the ground that high. Even the 2.0 doesn't like to rev standard.

Posted: Sun Dec 10, 2006 11:03 am
by benny
its the 2l....

just boggles my mind that its so smooth and doesn't sound like its struggling yet makes no power between 5-6k ... more boost.. lmao

Re: running issues

Posted: Sun Dec 10, 2006 11:11 am
by Marc
benny wrote: has a fuel leak through a screw on the top of the eci
yeah my ECI did this as well. i think its common on old JA's. i changed the top gasket on it...fixed for a while then fuel started coming out of one of the plugs.

probably needs a rebuild... or i've also heard it could be the injectors too?

i found this on austarion before, very helpful:

http://prozac.orcon.net.nz/eciguide/rebuild.html

Posted: Sun Dec 10, 2006 11:29 am
by benny
nice thanks man.... might just jam some more sikaflex on it til i get the mpi here and sorted... even if i gotta keep it off the raod til then

I hate that

Posted: Sun Dec 10, 2006 11:48 am
by tri26t
Hey Marc
Ive had this problem heaps
it chokes at idle if i pump the brake
chokes on low rev full throttle ( i.e. accelerating hard from a standing start ) - intermittent
it turned out to be the injector o-rings were leaking into the
??-injector cup-??, "you know" the thing the 4 top screws, screw
into,,,, at idle the cup would fill up and leak fuel out the screw
but then again a screw leak can be NO alloy washer under the screw,
but I think this one is o-rings filling the cup with fuel

oh once that cup is full, the fuel drips into the TB and makes it run rich
and stumble at idle, this may also make it run lean at full throttle

and to finish I think you have a master cylinder leak if it stalls at idle
while you brake or maybe a stuck non-return-valve (the one way brake valve)
I gone Cheers:Phil.

Posted: Sun Dec 10, 2006 12:15 pm
by benny
cool awesome help guys.. and while i'm at it.. can anyone take a pic of the fuse flap and send it to me?? my fuse flap is missing so i got nfi which fuse is which

Posted: Sun Dec 10, 2006 12:20 pm
by redzone
i've got a perfect eci manifold complete benny if u need to replace yours. see ho u go!

Posted: Sun Dec 10, 2006 12:34 pm
by benny
that might be the best way to go redzone...

i can get the mani, rail and injectors off a mate for the mpi swap but i got a bit of saving to go for the computer... unless someone on here wants to buy my r31 ... non turbo runs 15.5..lol

Posted: Sun Dec 10, 2006 2:29 pm
by Starion_Turbo
not m/c leaking, think u'll find its the brake booster causing the rough idle / choke when pumping the brake.