OBD Guide
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P1153

Bank 2 Fuel Control Shifted Lean

P1153 is an OBD-II diagnostic trouble code meaning: Bank 2 Fuel Control Shifted Lean. Common causes: air leaks in the intake manifold, malfunction of the mass air flow sensor (maf). Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Loss of engine power
  • Unstable idling
  • Increased fuel consumption
  • Check Engine Light Is On
  • Possible misfires

Causes

  • Air leaks in the intake manifold
  • Malfunction of the mass air flow sensor (MAF)
  • Dirty or faulty fuel injectors
  • Low fuel pressure
  • Oxygen sensor malfunction

How to Fix

  1. Check the intake system for air leaks
  2. Check the readings of the mass air flow sensor and oxygen sensors
  3. Check fuel pressure and condition of the fuel pump
  4. Clean or replace fuel injectors
  5. Check the condition of the vacuum hoses

Related codes

P0171P0174P1133

Error P1153 by Vehicle Brand

BMWBuickCadillacChevroletChryslerFordGMGMCLexusLincolnMazdaMercuryOldsmobileSaturnToyota

FAQ

What does the P1153 code mean?

P1153 is an OBD-II diagnostic trouble code that indicates: Bank 2 Fuel Control Shifted Lean

What causes a P1153 error code?

The most common causes of P1153 include: Air leaks in the intake manifold; Malfunction of the mass air flow sensor (MAF); Dirty or faulty fuel injectors; Low fuel pressure.

How do I fix a P1153 diagnostic trouble code?

To fix P1153: Check the intake system for air leaks. Check the readings of the mass air flow sensor and oxygen sensors. Check fuel pressure and condition of the fuel pump. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1153?

Limited driving only, diagnose soon

How much does it cost to fix P1153?

The estimated repair cost for P1153 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

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