p0171

  1. SEFLTJ Troy and Robyn

    2018 Code P0171 and P2096

    2018 Jeep Wrangler Unlimited Sport 4dr with 3.6l engine running rough and showing Error Codes P0171 and P2096 (showed P0300 for a bit, but has not returned since clearing). System Too Lean Bank 1 and Post Catalyst Fuel Trim System Too Lean Bank 1. Where should I start? Put some Seafoam in and...
  2. digitalerik

    Error code P0171 and less aceleration power

    Some ideas of P0171 specificlly with less power at acelerate, just a little bit, like a missfire. This issue is intermitente until now, but if something need maintenance I want to prevent any bigger issue. My mechanic will do in 2 more days maintenance to injectors and all throttle body...
  3. G

    P0174 and P0171 Codes

    I recently replaced the PCM on my 2005 wrangler 4.0 auto, and that fixed the majority of the codes that it was throwing. It idles and drives fine, however, I am still getting recurring P0174 and P0171 codes. After reading some forum posts I took a look at the throttle body, and found that the...
  4. C

    3 exhaust codes on FJ Cruiser

    Not sure where to put this thread but my girlfriend recently got an Fj because she couldn't afford a JK. lol, I know that's not the answer. I tried to convince her to get a TJ but she says they're too old. Anyway, the Fj forum is crap so I'm going to ask here. I'm getting 3 codes. A P0420...
  5. B

    98 TJ 4.0 showing P0320 and P0171

    So My 98 TJ 4.0 is showing P0320 and P0171 codes. What I’ve found is it may be the crankshaft position sensor and O2 Sensor. I’ve read that with the CPS there is usually rough start and idle, but the Jeep runs fine. Should I be looking for an exhaust manifold leak? This is my first Jeep and I’ve...
  6. fourmustangs

    2005 4.0L: Codes P0016, P0171 and P0174

    just picked up a 2005 needs a crank sensor and some O2 sensors. I found the thread for O2 to get but is there a specific crank sensor best to buy? the jeep also has the start of wobble around 50mph. and need a soft top. 4.0L Auto