2016 Plymouth P0174: What It Means & Is It Safe to Drive?

P0174 on the 2016 Plymouth: System Too Lean (Bank 2). Here's what it means, what usually causes it, what repairs typically cost, and whether it's safe to keep driving.

PowertrainMedium urgency

What this code means

Same as P0171 but for bank 2. The engine is running too lean on the side that contains cylinder 2.

Common causes on the 2016 Plymouth

  • Vacuum leaks affecting bank 2
  • Faulty MAF or O2 sensor
  • Fuel delivery issues

Symptoms

  • Check Engine Light
  • Rough idle, hesitation
  • May appear with P0171 on V6/V8 engines

Typical fixes

  • Smoke test for vacuum leaks
  • Inspect intake gaskets and hoses
  • Check fuel pressure and filter

Repair cost range

For a 2016 Plymouth, repairs for P0174 typically fall between $100 and $600, depending on the root cause and labor rates in your area.

Is it safe to keep driving your 2016 Plymouth with this code?

For driving-safety guidance—how far you can go, when to tow, and what's urgent—see these checklists:

See all codes for your Plymouth

Looking for a different code, or want the full guide without the year filter?