Can u Help

[twisted_4life]

I have A 92 hatch with a b20 bottom end and a gsr head with stage 1 cower cams a chipped ecu ok here is my problem.
The car ideals fine when you give it some gas it starts acting up like a miss ( I put new plugs and new wires on it) my speedomeater is going nuts floping around even when you are not moving but it seems like when vtec kicks in it runs great but the speedo is still going nuts! (This is a freash build) do you thank it could be my distributer or the tun on my ecu can someone help i am at a stand still. HELP HELP HELP

 

[boosted to 26ps]

I had a similar problem. did you change your fuel filter? also does it sound like its struggling for fuel? is it throwing any cels? little more info could help a lot

my solution or cause of mine was something in the fuel tank. had to drain the tank, change the pump and sending unit then put fresh gas in it with a potent mix of seafoam.

 

[twisted_4life]

Yea everything is new but I am still using injectors from my 1.6 single cam motor would that matter? And thanks for trying to help!!!

 

[boosted to 26ps]

don't think that would be a problem, considering you say it runs fine under full throttle. but I would switch them out for the b20's though.

under idle match throttle, does it run rough and sound like its missing? or anything under half throttle

 

[twisted_4life]

Yes thats what it sounds like it runs rough and sound like its missing? or anything under half throttle yes all under have throttle ! like I said full throttle it comes out or it feels like it does anyway?

 

[boosted to 26ps]

that's a fuel issue for sure. start by switching the injectors over to the b20's. run the tank as low as possible, then drain it. use a clean pan or bucket, and check the fuel for contaminates. fill it with high grade gas (1/2 tank or 5 gallons worth) then dump a can of seafoam in it. give the system a good cleaning, this is the easiest and cheaper route. let it run for a bit and after a few hours it should start to run fine again (driving or idle, doesn't have to be constant). if it doesnt, drop the tank and change out the pump. the sock could be full of s**t as well.

also you said you changed the fuel filter. take that off and put your mouth on the bottom of it and try to blow through it. if its hard to blow through its starting to get plugged. you should be able to blow through it easily

 

[twisted_4life]

Will try thanks I will let you know I will post somthing thanks!!!!!!!!!!

 

[twisted_4life]

Ok checked filter its good but do you thank that it is a fule problem beacuse when its in vtec it runs good ? and do you know anything about my speedo going nuts like that? But I will still try the injectors do you thank the GSR ones would be fine? Thanks Jeremy

 

[boosted to 26ps]

the gsr injectors should work fine. and im almost positive that's the problem. mine was the same way, ran like s**t at or below half throttle but getting on it, it ran fine and vtec still kicked in. as of the speedo going nuts could be a few things, ecu, wiring, vss unit itself. if you have a spare ecu laying around try that.... it could be that its not liking the chip or tune.