Questions & Answers for: codes po440

...po440,po420,po441, these 3 codes are the ones scanner brings up,po440,po441,po420 P0420 is catalyst system efficiency below threshold (bank 1) P0440 is evaporative emission control system malfunction ...

po440,po441,po446 what kind of problem and how can be solved sam You have the most common of all problems. A >>> loose fuel cap/not tightened properly <<<, or a bad or incorrect fuel

...po440 the p0440 code is an evaporative emissons control system malfunction you can go to your local auto zone and they can hook the scanner up for the codes and look up the part to solve your codes ...

service engine soon code po440 2002 chevy trailblazer light code po440 http://www.fixya.com/support/r4161093-trouble_codes_vechiles If you like the info please rate.

codes : PO440 & PO358 PO440= Canister purge (CP) valve, leakage Possible Source(s) Blocked EVAP canister. Blocked hoses. Defective canister purge (CP) valve (permanently open or closed). Code 0358

diagnosis code Po440 on Oldsmobile 88 ls list of possible solutions to diagnosis of code po440 That is P0440Difintion is: Leak in the Evpaorative fuel emission system. Possible common cause loose or ...

codes PO440 and PO452 Fuel gauge not working properly. Several codes present. Replaced fuel pump asembly, cleared codes, drove for several days (short trips) these two codes returned PO440-EVAP SYSTEM

can a gas tank seal cause a po440 code if my gas tank seal at sending unit is bad will it set a po440 code yes their will be vapor leak be just like a cut or damaged hose line

with 3800 engine with gas fume problems- code PO440 and PO442- I've replaced the purge valve and the problem still exists- what to do? Problem codes: PO440 and PO442. Did you try replacing the gas cap

codes po128 ,po440 and p1189 for a 2003 ponyiac grand am gt 3.4 liter and v6 engune? diagnostic codes what do they mean, for a Pontiac grand am 2003 v6 engine 3.4 liter codes po128 and po440 and p1189