OBD Guide
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P1130

Lack Of HO2S Switch - Adaptive Fuel At Limit

P1130 is an OBD-II diagnostic trouble code meaning: Lack Of HO2S Switch - Adaptive Fuel At Limit. Common causes: oxygen sensor (ho2s) malfunction, air leaks in the intake manifold. Estimated repair cost: $28–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Increased fuel consumption
  • Unstable engine operation at idle
  • Reduced engine power
  • Check Engine light comes on
  • Increased level of harmful emissions

Causes

  • Oxygen sensor (HO2S) malfunction
  • Air leaks in the intake manifold
  • Problems with fuel injectors
  • Open or short circuit in the sensor circuit
  • Engine ECU malfunction

How to Fix

  1. Check the continuity of the oxygen sensor circuit
  2. Inspect the intake tract for air leaks
  3. Check the operation of the fuel injectors
  4. Replace a faulty oxygen sensor
  5. If necessary, flash or replace the engine ECU

Related codes

P1120P1131P1132

Error P1130 by Vehicle Brand

BuickCadillacChevroletChryslerFordGMGMCLexusLincolnMazdaMercuryNissanOldsmobileSaturnSubaruToyotaVolkswagen

FAQ

What does the P1130 code mean?

P1130 is an OBD-II diagnostic trouble code that indicates: Lack Of HO2S Switch - Adaptive Fuel At Limit

What causes a P1130 error code?

The most common causes of P1130 include: Oxygen sensor (HO2S) malfunction; Air leaks in the intake manifold; Problems with fuel injectors; Open or short circuit in the sensor circuit.

How do I fix a P1130 diagnostic trouble code?

To fix P1130: Check the continuity of the oxygen sensor circuit. Inspect the intake tract for air leaks. Check the operation of the fuel injectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1130?

Yes, but get it checked soon

How much does it cost to fix P1130?

The estimated repair cost for P1130 is $28–89. Actual cost depends on your vehicle, location, and labor rates.

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