SOURCE: I have a 2004 Chev Colorado with PO 141 & PO 506 code
Hi, the P0141 is the O2 sensor, more info @ http://www.obd-codes.com/p0141 . Also P0506 code is Idle Air Controller problem - http://www.obd-codes.com/p0506
SOURCE: what is the PO 441 code on a 2004 dodge ram 1500
P0441 is a "purge flow error" which can be a result of a small leak or some other problem with the hoses to the canister. Here is a good reference site for more info: http://motorage.search-autoparts.com/motorage/data/articlestandard/motorage/102005/149558/article.pdf
SOURCE: 04 dodge ram pickup has code po 456 what is this
Small leak in evaporative emissions system. Basically takes fuel vapors and recirculates them back to engine to be burned rather than vented into the atmosphere.One common cause of light on dash is faulty/dirty gas cap seal. Did you add fuel just before light came on? Otherwise a small leak at a hose etc., in system, as well as faulty purge system may also cause it.
SOURCE: po316, po 300, po301, po305 2004 ford freestar
These codes are making me lean towards the ignition coil pack.My stepson's 2001 Sable 3.0 v6 had one cylinder misfiring(5-code P0305),which shares a coil with cylinder 1(code P0301).I diagnosed it by trading wire 1 and 5 at the coil,and the code changed to P0301.You have codes for the two cylinders on the same coil,so this is most likely it.(these codes would also trigger P0300(Multiple Misfires Detected) and P0316(Misfire Detected First 1000 Revs)).
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