I have an adjustable fpr, I am aware of the stock psi level is 37 and at wot is raised to 47 only problem is when I run that my afrs are through the roof which does not make sense almost makes me think the gauge is wrong because with my stock fpr I was hitting just a little higher than what I should be for afrs like 12.5 but with this one its 15???!!!!

 

well stock is 38 psi, stock at idle no vacuum 47-50 so 50 is max , sounds like your right about the gauge , what are you logging as far as stock o2 output volts ? that'd tell ya generally if the wideband is close

volts ............................. A/F
0.1 ............................... 17
0.2 ............................... 16.5
0.3 ............................... 16
0.4 ............................... 15.4
0.5 ............................... 14.9
0.6 ............................... 14.4
0.7 ............................... 13.8
0.8 ............................... 13.2
0.9 ............................... 12.7
0.985 ............................ 12.1

 

What are the symptoms you should look for if you might have reached your flash limit?

 

ill check that out right now

crap I checked my logs and I am not logging 02 voltage I will have to do some more pulls and see what it shows

 

Well just hooked up my actual fuel pressure tester and it confirms the guage is reading correct. its actually 2 psi less than what my tester is giving me. Its set at 64psi and my tester gives me 66psi. Starting to realize why people just have them tuned I am stumped here.

 

hey what does volts and afr mean? How are they linked?

 

AFR stands for Air Fuel Ratio, we use the wideband 02 sensor to moniter this to know if we are running lean or rich at any given time. The stock 02 sensor sends a signal to the ecu in voltage so the ecu knows the afr. We can log the votage and figure out if something is off like if the wideband isnt calibrated correctly. Just got back from driving about 120mi round trip, car did fine, running a little rich still but if I adjust where its rich it affects where its not and makes it lean???? Plus I know my idle has got to be rich idk. Lol I will never figure this out, problem is I dont know when to quit either haha.

 

well I have my wideband, I just here alot of people saying there logging stuff, I have a laptop but how do you log this stuff? How do I connect my computer to the ecu when its running to log this stuff

 

First off you need either evoscan or mitsulogger for the logging program the its pretty easy there is a list of loggable items and you just check the box next to the ones you want to log.

 

Ok cool I will download that tonight, and how do I connect my computer to log it? And I think thats all I need to know about logging stuff

 

Tactrix cable if you dont already have one. I searched around the FS forums here until I found a 1.3m cable. They go quick so if you see one I would snag it up before someone else does.

 

ok sounds good thanks man!!!

 

Ok so update:

Eby fpr has been REMOVED lol. Anyone thinking of buying one DONT!!!!! I guess it was the wrong part to try and go cheap on but as I said I would only be out $30 so not too concerned. When trying to run the base pressure at 64psi my car REALLY didnt like to idle it died plenty of times. On the other hand dropping the pressure to the stock base of 37psi made for a worse problem, when I would stab the throttle it would lean out REALLY BAD like 17+ and stay there.

So here is hopefully my solution. From what it sounds like most people with my setup are not experiencing this which leads me to one question. Maybe for some reason relocating my battery to the trunk is my problem. I am going to change a couple connections and also I am going to check my voltage to the pump while driving and might add a relay to boost the voltage if needed. I have notice ever since the install my engine turns over a little slower than it used to no doubt due to my relocation and probably some cheap connector somwhere in between.

 

Hey Bro Clint is selling his aeromotive FPR for like 140 shipped talk to him about it hes on my friends list

 

Thats not too bad but I was looking at a aeromotive RR FPR for $144 new just a little bit ago. I am going to see if I am getting the power I need to my pump. I have been researching this and turns out a little drop in power can become a big loss in pump volume. If all goes good maybe I wont need to buy one but well see gonna do the tests tomorrow, either way thanks for the heads up might have to contact him