Hey guys, after going back to OEM my car threw a P0172 code

Definition
-Fuel System too rich bank1

Probable cause
-Fuel system concern
-Ignition system concern
-MAF sensor faulty
-H02s/AF ratio sensor fault

I still have the Walbro 255lph fuel pump in, as well as one step colder plugs, other than that everything is stock. I did notice 2 vacuum lines are not connected to anything (it comes off the valve cover, I just noticed it, might be an issue?

Anyway I wondered if anyone had this problem when they went back to stock from turbo.

Car drives/idles great, just the fact that it is sooooo slow

Thanks guys

 

I would just clear it and see if it comes back, I am assuming you don't have the emanage. I would think the plugs the and or the vac lines may be an issue. I can't imagine the car stock, my car is now so freak'in fast with the new set up.

 

deff. the MAF. Get a new one

 

[QUOTE=m R g S r,Sep 1 2009, 11:35 PM] deff. the MAF.

 

I would definitely change those plugs. with different fuel demands comes different ignition demands. Make sure that you have your fuel pressure vacuum line hooked up. it could make You run rich at idle.

 

haha yeah I know we have a MAP but the lil scanner at Autozone said MAF

 

so the car started to act very stramge this morning, I would go to give it gas and nothing would happen, I would even go WOT and NOTHING, I wouls roll to side of road, shut the car off then turn on and I could get it to go with a little bucking, then a few minutes later same thing, very frusterating


This may be it
https://www.s2ki.com/forums/index.php?s=&sh...6&highlight=map

 

Make sure all the stock harness plugs are fully plugged into the stock ECU. They must "click" into each of the three banks.

There shouldn't be any loose vacuum lines either. Get you Honda manual out and make sure they are all going to where they need to.

 

did u have afteermarket map sensor? if so, put stock one back in if u removed emanage.

 

the stock one is back on. I will recheck everything the Clip on the MAP sensor is broken so it really does'nt click or lock on, (maybe it slid out on a hard right hand jughandle turn I made I was not able to check this morning because all the pulling over to the side of the road made me late for work , god I hate working for a living..............