Questions & Answers for: po 174

...has given me 2 engine code . I need to know what they mean? The first engine code is PO 174 The 2ard code is PO 154 P0154HO2S-11 (Bank 1 Sensor 1) No Activity Detected P0174Fuel System Lean (Bank

...171 and 174 mean not enough fuel po 300 multiple missfire could be not enough fuel 430 can be caused by bad ignition in the cat from not enough fuel // first thing borrow a freinds mass airflow ...

...loose, so check that first. The above is from ...

PO#171 PO#174 those are codes for the fuel system to lean. Meaning there is not enough fuel getting into the combustion chamber either due to a faulty fuel pump not supplying enough fuel pressure or a

po 171 po 174 PO 134 = 02 SENSOR CIRCUIT NO ACTIVITY DETECTED (BANK 1 SENSOR1) PO 153 =02 SENSOR CIRCUIT SLOW RESPONSE (BANK 2 SENSOR 1) PO 154 =02 SENSOR CIRCUIT NO ACTIVITY DETECTED (BANK 2 SENSOR 1

...PO 174 Scan the computer and these PO # 171 and 174 came up. What do they mean, where is the problem? You did not list a vehicle, so here are the generic codes.Code 171 is system lean bank one and ...

...fault codes 533 and 174. PO 174--System Too Lean (Bank 2) oxygen sensor PO 533--A/C Refrigerant Pressure Sensor Circuit High Input Should idle okey without a/c on-- or you got more things to work ...

Error code P 171 and P 174 and P0443 Type: OBD PO 171 --for the code discription, cause & solutions OBD PO 174 OBD PO 443

PO 171, PO 174, AND PO 506 JUST NEED HELP 171 and 174 are Lean mixture warnings from the exhaust oxygen sensors. 0506 is the idle air speed warning. Check for vacuum leaks.

I have codes po 358 po 171 po 174.I also changed my pcv valve already. where should i start? you never mentioned on what ,try autozone library under emmissions