hello

So today I had a check engine come back and now it is just saying p0171 system to lean bank 1 and I can get this code before the check engine light is not even on when I plug my scanner into the ecu is this coming from my piggybank or that I need to progam my piggyback to give my car more gas

 

Is your purge valve solenoid operating correctly?

Also, out the top of my head, possible causes could be :

- Fuel pump dying
- Clogged injectors
- Vacuum leak
- Dirty or faulty MAF
- Modifications to the car (some CAI, extensive exhaust mods, hightened CR...)

With the P0171 code always coming back, you'll probably end-up damaging your spark plugs. I'd keep a close eye on mine, this is what they looked like after about 50-55 000kms (30-35k miles) :

 

hello

I have clean the MAF with MAF cleaner. I do have a exhaust on the car just from cat back. I haven't checked the purged valve but I will check it out. thank you

 

so did you get to it yet?
let us know what happens k?
if it is the purge valve then that's crazy b/c so many of us are having that problem right now.
i guess the lifetime of the stock purge valve solenoid is ~10yrs?...
i still can't find the damn hose.
geez i suck at these things.
i took pics of my EGR+intake mani so i'll circle the part that i THINK is the hose and post the pic and you guys can guide me from there...
lol i'm so N00B...

 

Look at page 10. I explained how to locate it. In another thread, I also posted a longer explanation but I'm in a rush right now.

https://www.evolutionm.net/forums/sh...193152&page=10

Really can't miss it. Pinch it with a vise-grip so that air doesn't go through. Start the car. Is it gone, then it was your PVS.

 

hello
So ive been trying everything under the sun trying to get this code to go away i unpluged my battery for the night and drove it under 3k rpm and let it idle for 15 mins also took my piggyback out of the car took out my fuel rail and injetors and cleaned them all as well as cleaned my EGR or IAC and check everything for leaks and clamped all the hoses to my purge vavle but still comes back it says that my CL-fault is in my fuel system 2 what is that ive asked many people and no one has been able to give me a anwer about it could putting in a evo 8 Mass air flow sensor fix my problem? cuz they do work in the ralliart the honeycome ones or how do i check my purge vavle to see if its bad? any orther ideas and i will try this is getting annoying i cannt get this code to go away and it seems to run better when its warm then when its cold and the car runs at 192 degrease F
thank you

 

where are people getting this notion that the evo 8 MAFs fit/work in our cars? o.O

 

i don't know...

 

They wont not even the same system. THe EVOX is the same from my research. Find pics of the EVO8/9 Karmon Vortex MAF it looks like a sandwich container.

Google search EVO8 MAF

 

Probably a vacuum leak(s). Try to find it (them). The PVS problem could be considered a vacuum leak. Make sure no unmetered air goes in your engine.

 

I also heared a evo 8 intake manifold fits a ralliart I'm gonna test my maf sensor today. So about the pcv vavle I pinch it with vise grips and if the goes away that's it what's the best way to check for leaks I use propane and didnt find anything

 

Can anyone tell me what a innova code scanner means by fuel system 2 cl-falt

 

not sure what you're trying to do here...

what's the code?

 

Pretty sure he meant the PVS, if not then I advise you don't do that. If you can't find the hose for it and be sure it is, take your car to someone who does.

 

The code is P0171 system to lean bank 1 and when you freeze frame the code it says fuel system 1 CL-fault and under it says fuel systyem 2 CL-fault. The PVC is on the right side of the motor down in the counter I still have to check that