well i have a 94 ls body but just got a 96 gsr swap
it was running kinda slow like a month ago
so i started gettin into it, i looked around i asked people at work.(i work at lexus)
and ive tried just about everything
the problem is when i am driving it runs ok when cold but when warms up
and reaches about 3500rpm it bogs and feels like a misfire but i just kinda has
a jerk forward motion to it
ive tried keeping the second stage open
ive tried replacing the map sensor
ive checked the cam timing.
i dont know how to check the ignition timing if anyone knows how to do that
and also im about to gut out the convertor
but ive looked into about everything and asked people that know about everything
ive even let them drive it and see
they say it feels like the fuel pressure is off but its not
i mean its alittle high but it wont do what its doing from that
i just dont know i need help bad

 

You should obtain a Helm manual. (Search google for "hondahookup manuals".) Are you running premium fuel as required? If not, the computer will retard the timing to protect the engine.

 

so GSR and ITR have to run on premium???? that explains why my boys ITR runs like ****

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by hpimichael02 &raquo;</TD></TR><TR><TD CLASS="quote">so GSR and ITR have to run on premium???? that explains why my boys ITR runs like ****</TD></TR></TABLE>

Give your boy a . Hopefully he isn't running a chipped P28 without the knock sensor input. No knock sensor plus regular fuel can lead to engine damage.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by hpimichael02 &raquo;</TD></TR><TR><TD CLASS="quote">so GSR and ITR have to run on premium???? that explains why my boys ITR runs like ****</TD></TR></TABLE>

Got the money for ITR but no money for premium??

 

no i got it running on 93 or what ever gas i know that much im a machanic im not that stupid i just have tried everything and idk wtf is wrong with it and i have a knoc sensor in i have all the right parts i just dont know why it is acting so wierd
i just dont know

 

Any CELs?

 

if your timings off wouldnt that make it bog until about half way through the rpm's?

 

happened to my friends car on his ls. We changed the dizzy and added new stock injectors and spark plugs runs fine now

 

this happend when i first bought my gsr! i changed the fuel filter then the fuel pressure regulator and that made it stop

 

no like i said i already checked the fuel pressure and i replaced the spark plugs and wires awihle back none of that is the problem its like the problem is untracable
i mean really does anyone know how to check the ignition timing thats all i wanna know thats like the only thing i have left to do before i like sell the p.o.s. lol not really i love the car but its pissin me off

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by G-_S-_R-_ &raquo;</TD></TR><TR><TD CLASS="quote">i mean really does anyone know how to check the ignition timing </TD></TR></TABLE>

This is a good write-up:
http://www.c-speedracing.com/h...g.php

 

Sounds like fuel filter.

You said you checked pressure...but was this at idle, or driving down the street.
If not filter problem might look at tp/crank sensors. gl

 

I say change the cap and rotor, Plugs and injectors. You kinda just gotta trouble shoot things.

 

i hate it when techs use that "i'm a mechanic" defense.

even if you're the ultra hyper super duper master tech, you can still miss things and make mistakes. it happens.

anyway, if its not the fuel filter, it could also be something else fuel related, like an tired fuel pump, or a clogged fuel pump pickup screen.

like mr. anderson mentioned, it can also be sensor related. test them out individually since its always better to find the source of the problem rather than just remove and replace everything with no plan of attack. but you already know that since you're a mechanic.

 

thanks guys ill be tryin all that out tommorow
just hope something works
and not sayin ive tried just about everythin
but i alot of people have put thoughts into the problem
thats why i turn to honda-tech.com duh lol
thanks guys its always a help
if this stuff dont work ill post up another one

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by G-_S-_R-_ &raquo;</TD></TR><TR><TD CLASS="quote">no i got it running on 93 or what ever gas i know that much im a machanic im not that stupid i just have tried everything and idk wtf is wrong with it and i have a knoc sensor in i have all the right parts i just dont know why it is acting so wierd
i just dont know</TD></TR></TABLE>
A mechanic that does not know how to check timing!?...........wow

 

As mentioned above, the fuel filter would be a good item to replace.

 

you know how to check ignition timing j/a
thats all ive been askin here
im 18 i dont know how to do everything yet give me a break my god
all im askin for is if someone knows how to check it

 

Look at the link that I posted above.

 

Does it only happen under wide open throttle? There is a white cap at the end of your fuel rail. It is a fuel pressure dampner. I had a problem with my car doing that on the dyno and the screw under that cap needed to be adjusted correctly. Don't hold me to it, but I believe I had to tighten it and then loosen it one full rotation. HTH!

 

Alright man not to try to add more useless things to try but, i had almost the same issue on my 98 about a year back which was traced back to a fowled tps sensor. My car bogged around the same rpm and was random just as you described. good luck and