...pump pressure at the fuel rail should be 30 psi at idle. Low fuel pressure will cause your po 171, 172, problems which could cause the other to problems. You might be needing a fuel pump and
PO 171 and 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 ...
...PO 171 are the codes that appear. We changed the mass air flow sensor and the oxygen sensors with no improvement PO174 &171- Both banks lean. This could be caused by a defective MAF or O2 sensor ...
...po 155 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 ...
...PO 171 code Subaru forester PO 171 code what may cause this code? Your fuel system is too lean. It's typically the primary O2 sensor (on the pipe between the engine and the catalytic converter). The ...
...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 ...
...po 171 toyota matrix 2007 code po 171 There are two common things that cause this code. The first is a dirty MAF sensor. The sensor is located on the side of the air filter cover. It can be removed ...
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 305, po 441 my 97 ram 1500 5.9l threw a po 441 code which mysteriously went away but the engine light stayed on. Checked again (using an ABD II scanner each time) this time I had 2 codes po
Question about Cars & Trucks
...PO 171 and 174 what does this mean? Scanned the computer in my 2002 Ford minivan se. It showed me PO 171 and PO 174. There were also a lot of C #. What does this mean? P0171 AND P0174P0171 - ...
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