AIR FUEL RATIO PROBLEMS

[ca18det89sx]

OK FOR SOME REASON IM RUNNING HORRIBLY RICH I GOT FMIC,3" TURBO BACK EXHAUST NO CAT, INTAKE , ALL THE INTERCOOLER PIPING DONE , AT ABOUT .7 BAR. I STILL CANT FIGURE OUT Y MY CARS RUNNING SO RICH THO COULD IT BE THAT I NEED TO HAVE MY CARS TIMING DONE OR SOMETHING .

[ca18det89sx]

I STILL HAVE ALL THE THE STOCK FUEL SYSTEM. NO FP OR INJECTORS OR FUEL PRESSURE REGULATOR

[rico05]

Well, the CA runs very rich from the factory for starters. Early 90s Jap tuning is based on as much fuel as you can get into those little cylinders. Another issue common to older CAs is the FPR goes out. Also, make sure that you have no vac leaks. Could be timing, yes, so check that as well. How are you basing this judgement? Do you have a wideband?

And seriously, turn caps lock off bro. It is very annoying, and in the world of the internet, all caps is the same as yelling. Don't yell at us. It is rude

[ca18det89sx]

dude so srry man didnt mean to be offensive i was at work and caps stay locked dont ask me y. but yea i have a wide band and i think it may be either the timing or the fpr its still stock. thnx for all the help man i appreciate it man and once again srry fer the caps

[r34 gtr]

check the voltage going to the o2 sensor. its on a circuit with the aicv and some other junk and if it isnt getting enough voltage the car will run very rich. it happened to me, i wired it up incorrectly and it was only getting a couple of volts. i think my air/fuel ratio was something like 6:1? anyway, it should be worth a look.

- Tim