OBD Guide
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P0098

Intake Air Temperature Sensor 2 Circuit High Bank 1

P0098 is an OBD-II diagnostic trouble code meaning: Intake Air Temperature Sensor 2 Circuit High Bank 1. Common causes: broken wiring of the intake air temperature sensor, short circuit in the sensor circuit to power. Estimated repair cost: $6–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$6–89 (est.)

Symptoms

  • Check Engine Light Illuminates
  • Unstable engine operation at idle
  • Increased fuel consumption
  • Difficulty starting the engine
  • Reduced engine power
  • Black smoke from the exhaust pipe

Causes

  • Broken wiring of the intake air temperature sensor
  • Short circuit in the sensor circuit to power
  • IAT2 sensor malfunction
  • Oxidation or corrosion of connector contacts
  • Wiring harness damage
  • Engine ECU malfunction

How to Fix

  1. Connect a diagnostic scanner and read all error codes
  2. Check the supply voltage of the IAT2 sensor (should be 5V)
  3. Measure sensor resistance at different temperatures
  4. Inspect wiring and connectors for damage
  5. Check the continuity of the circuit between the sensor and the ECU
  6. If necessary, replace the intake air temperature sensor
  7. Clear error codes and test drive
  8. Recheck for errors

Related codes

P0097P0099P0100P0101P0102P0103

Error P0098 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P0098 code mean?

P0098 is an OBD-II diagnostic trouble code that indicates: Intake Air Temperature Sensor 2 Circuit High Bank 1

What causes a P0098 error code?

The most common causes of P0098 include: Broken wiring of the intake air temperature sensor; Short circuit in the sensor circuit to power; IAT2 sensor malfunction; Oxidation or corrosion of connector contacts.

How do I fix a P0098 diagnostic trouble code?

To fix P0098: Connect a diagnostic scanner and read all error codes. Check the supply voltage of the IAT2 sensor (should be 5V). Measure sensor resistance at different temperatures. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0098?

Limited driving only, diagnose soon

How much does it cost to fix P0098?

The estimated repair cost for P0098 is $6–89. Actual cost depends on your vehicle, location, and labor rates.

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