In this tutorial, i'll go into the basics of what causes these codes and i'll also offer you a testing strategy to successfully diagnose p0171 and p1074 diagnostic trouble codes. How to fix p0171 engine code in 2 minutes [2 diy methods / only $8.37] nonda 122k subscribers 4.9k If it was the fuel pump i would think you'd see p0171 along with p0174
Engine Trouble Code P0171: What You Should Do Now - Practical Tips
Sounds like it might be a vacuum leak effecting only one bank
Btw, around 65 psi of fuel pressure is fine.
This is most likely causing the codes and its a very simple fix P0171 indicates that your ford explorer is either getting too much air or not enough fuel The p0171 code for ford vehicles indicates that the fuel injection system on bank 1 is running too lean Learn how to diagnose and repair the p0171 trouble code in your ford explorer with this expert guide
Get your vehicle running smoothly again. Learn what the p0171 code means, common symptoms, and how to fix lean engine issues in ford, chevy with our complete diagnostic guide. I've got a 99 explorer vin code (x) with 180,000 miles. The p0171 code on a ford explorer is a common issue that many vehicle owners face
This diagnostic trouble code (dtc) signifies that the fuel system is too lean, meaning there's too much air and not.
Trouble code p0171 bank 1 lean pending code p1131. My 1999 ford explorer is saying check engine soon with code po171 and po174 I tried computer coding at advance store but that didn't help System too lean (bank 1) and share common diagnostic steps and potential causes such as vacuum leaks, a dirty or faulty maf sensor, or fuel delivery issues
A weak fuel pump, or even a clogged fuel filter, could conceivably cause the p0171 & p0174 lean codes, because air is entering the engine, but there isn't enough fuel for ideal combustion Some possible causes for the imbalance include vacuum leaks, malfunctioning mass.
