p0174
Moderate
Chrysler · Minivans & Sedans
System Too Lean (Bank 2)
Quick Answer
Error code P0174 on your Chrysler Minivans & Sedans means: System Too Lean (Bank 2). This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Connect diagnostic scanner to identify freeze frame data
2
Inspect bank 2 oxygen sensor condition
3
Check for vacuum leaks in intake manifold
4
Verify fuel pressure regulation
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Oxygen sensor
Fuel regulator
Intake gaskets
Fuel pump relay
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