MaxVice4

Ok so I take my car in a while back and the light goes on(Emission Testing)... He says its System too lean I forgot the code, But apparently I could have had a clogged fuel injector. So The light Turns off I pass but it turns back on several weeks later. If you guys could tell me what are some signs of clogged or bad fuel injectors that would be great. I dont know if its in my head but it seems It doesnt accelerate as hard and at high speeds it feels funny. thanks. Oh yeah I will be taking it in A.S.A.P hopefully lol

5thgenmaxima

iTrader: (1)

Fuel system lean could be many things....
Clogged/sticky injector, low fuel pressure (Fuel pump, filter, etc. Bad pressure regulator valve, etc. It could even be an 02 sensor problem, but you would probably pull an O2 code.

Best way to help pinpoint the problem is with a scantool to find out if a certain bank or cylinder has a rich LTFT or all cylinders..
If it's one bank MORE THAN LIKELY it's an injector or leak somewhere. If both banks have a rich LTFT more than likely you have a weak or clogged fuel system....

Since you probably don't have a pressure gauge and Injector balance tester,(I think that's the name of the tool, I forget right now) just wait till your light comes back on and see what code you pull.
If it's a generic code like system lean and doesn't give you any other info then you may have to dish out the $$ to have someone with the tools diagnose it.