Questions & Answers for: Ford Mustang p0171 and p0174

...P0171 & P0174 (lean codes), and/or P0401 (insufficient EGR flow). Nine out of ten times, the fault is not a bad EGR valve or a vacuum leak, but a bad DPFE sensor. A replacement costs about $112 at ...

...P0171, P1151, P1131, P0174, P0102, P1507, P1000, P1100, P1260. Most have to do with Fuel to Lean, Bank 1 and Bank 2. Where do I go now?? Injectors need cleaning, As being left for time its got dirty, ...

My 2005 mustang GT was scanned and the following codes came back: P0171 AND P0174. What does these mean P0171 Means system is to lean on bank #1. P0174 Means system to lean on bank #2.

P0174 & P0171 for a 2000 Ford Mustang 3.8, V6 engine? My car won't smog. Hi there:I suggest to check on the Power Distribution Box, that is located in the engine compartment.The power

...P0171 & P0174 for a 2000 ford Mustang 3.8L. My car won't smog. Hi Pamela:I suggest to check on the Power Distribution Box, that is located in the engine compartment.The power distribution ...

car running rough i have two codes not sure what they are for If your codes are P0171 and P0174, you have a vacumn leak. "USUALLY" but not always the pcv hose elbow.

...p0171,p0174. it shakes really bad when I drive it and then my check engine light starts blinking and it feels like it is going to stall when I stop sitting at a red light and it hesitates to start ...

...P0171 and P0174 Leaking Intake and EGR... You could use spray carb cleaner an spray around the intake manifold an see if idle changes ! Does you stang have V-8 ? if so you have a problem on bank 1 ...