MannyZ1693

Hi guys new to the forum I have a 2008 350Z enthusiast with 52k miles. I've been looking on the forums for a full week now trying to find what's the cause of this 2 codes my scanner show. It came up about 2 weeks ago as P2A00 and P2A03 so I changed my main o2 sensors and the bank 1 still reading faulty plus it shows that other weird code P2A00 pd. I checked for vacuum leaks everywhere gonna check my injectors and any cracks on the intake plenum any advise will be appreciated.

Thanks

travlee

iTrader: (8)

what mods are on the car?

MannyZ1693

Just a injen CAI

Conway_160

iTrader: (1)

Put back to stock, clear codes see if they come back.

MannyZ1693

I'll give it a try this week, but the codes came before the intake was installed and I probably made it worst after I installed them.

Conway_160

iTrader: (1)

If you got the codes before your intake its not your problem.

jhc

MicVelo always recommends driving school.

I always recommend plugging in a cheap vacuum gauge on the upper intake plenum. If it's under 20 at idle, you have an air intake leak somewhere, assuming it's firing correctly.

MannyZ1693

Yeah I was gonna say that but you're right, I was messing with it last night and there's a hissing noise coming from that side so there's definitely a vacuum leak, I'll do some more digging until I find it thanks

MannyZ1693

Nice thats something I've never heard before I will try this where can I get the gauge harbor freight? And yeah she fires perfect thanks

travlee

iTrader: (8)

spray brake cleaner in the area you hear it...

jhc

https://www.google.com/?gws_rd=ssl#q=auto+vacuum+gauge

MannyZ1693

Yeah I sprayed some but it didn't make the engine idle change I've been very busy but I'm gonna take that hose off and see if I can find any holes is the one from the pcv valve to the manifold on the back but thanks

MannyZ1693

Thanks bro will order one tonight

Phontain

Curious if OP found a solution to this code.

MannyZ1693

Hey man not at all the code still on I checked my vacuum everything seems to be ok with that. The only thing that I've notice is my long term fuel trim on bank one are like 9-10 on idle so I know there's something wrong once I get some time and dig some more info I'll let you know what I found

MannyZ1693

Hey guys just in case you run into the same problem in the future. I bought some sea foam and sprayed it in the throttle body found a leak on the passenger side stock cat. It was on the bracket that holds it to the tranny so I bought some kinetix high flow cats and no more codes. She runs like the first day I got her haha thanks for the help ����

Jcarz33

Hello, i jave jad this same code for months now. Clears and comes back. Replaced spark plugs, tested and swapped coil packs, even replaced valve covers because oil in spark plug tubes. I read this and today found exhaust leak in the exact same place u did. Has the code stayed away? Did u have any other codes with it, as i do not. Just p2a00...

MannyZ1693

Sorry to hear that man and after I found that leak I bought some high flow cats and the code went away as for any other codes I just had the one you have. If you can weld it or get test pies or high flow cats since you’ll have to take it out it saves some time.