slammedbbs

^^^ come on bro give him a break if he does not know or understand air to fuel he would not understand to explain that part. what do your spark plugs look like?

typemismatch

True enough, it's been a rough week. I'd really like to help this guy, but I'm having a hard time understanding him on the one hand and believing him on the other.

To point to an example, he said he had 40 psi of fuel pressure on the rail, then a week later said he got the gauge ... that seems suspicious to me.

slammedbbs

true true

circle22

Hey bro i told u wat i had. ... Then u ask again wat mods i did to the car and i told u i had fuel rail and the fuel pressure regulator. .. My bad if i didnt say it at first. ... So im letting u know now i have an aem fuel rail and fuel pressure regulator n the fuel rail psi gage n the vafc controller dat all i have no more mods that it

typemismatch

Check those to make sure everything is set right, I've never had a v-afc, can you disable it?

circle22

My boy told me the same thing.... He also said if it runs like **** its the ecu. ....Is this true?

slammedbbs

uhm not really if it runs like **** it could be a number of things....maybe iam just not understanding what you said in your last post. i would look into your tune with you vafc

typemismatch

I would just unplug the v-afc if you can and run it on the ECU.

As far as running too rich being the ECU, there are many reasons you can run too rich, dirty sensors, dirty emissions control equipment, vacuum leaks, and on and on.

There is no silver bullet, unless you count troubleshooting.

slammedbbs

not to call you out but if you have a vacuum leak it makes you run lean. or at least it would make my car run lean according to my af guage. when i would pull a vacuum line.

typemismatch

I was thinking the extra O2 in the exhaust would cause the ECU to adjust.

I'm never right, I just contribute ideas.

circle22

I was told also to go wit a bigger throttle body my stock one is 60mm. ...is this true...if it is how much bigger can i go

slammedbbs

i would not go bigger the 68mm and a bigger tb might make you run even richer then you are now i mean the idea i guess you have is....to much fuel ok **** it throw more air witch sounds right but, iam thinking the ecu will try to adjust for the more air your sucking in with more fuel if you get my idea. but that might work hell i dont no. unplug your vafc like typemismatch said and test it then.

typemismatch

^^ agreed

97ludedude

If you go into the vafc adjust all the settings to zero or to where it is not making any adjustments. pull up the manual on the vafc and double check the wiring since you didn't do the install. All h22's run slightly rich from my experience. When i had this exact problem on my 97 Prelude it was my TPS. It had somehow came out of adjustment. Got bumped hard when I put the motor in? I don't know. Still the stock injectors though right?

circle22

Yes i still have the stock injectors? I also unplug the vafc n the car ran like **** im going to check the tps to see wat happens. .If it is not the tps can my ecu gone bad?

slammedbbs

i think if the ecu went bad the car would run really bad or not at all. but i might be wrong.

typemismatch

Some pics of your engine bay and maybe some good quality video with good sound might be helpful.

circle22

Ill get u the pics. I have a nother question wat will the car to blow a big hole on the muffler? .....Cuz it just happend to me today. ... I wasvcoming to a stop sign and my muffler blow up n now i have a big hole......

typemismatch

If I translate this properly, your muffler blew up? For real? Seriously went "BANG!" and blew up??

The only thing I can think of is gas fumes built up and you had a back fire.

Please quit reverting to this form of English you use that we all have a hard time translating, take your time and type your responses carefully. You'll find people are more helpful and friendly when you take the time to express yourself intelligently.

circle22

Yes sir it. ....It went bang. .... And it has a big hole in it

P. Hunter

hahaha im sorry but that is damn funny...

circle22

Bro that not funny i had my god kids in the car wit me when that **** happend. ....... Y when i hit gas paddle n let it go it act like it want to cut off n then it back fire that how the muffler blew up?... Ive been try to get all this problem fix n im not getting no were. .. So does any body have any idea wat it could be

slammedbbs

best advise i can give to you is take it to a shop! seems like it needs some special attention. sorry to hear that happen to your car. i have to no like how did you react to that?

circle22

Could the tps have the car to run rich? .... It may sound dum for me to ask this question? .......How do u adjust Air/fuel never did it befor?

slammedbbs

tps= throttle position sensor should just control how your car ideals not sure though but i would think lets say its open to much and your car is idealing to high. you should still be getting the proper mixture of air/fuel. do you have a check engine light on?