OBD Guide
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P2079

Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Intermittent Bank 1

P2079 is an OBD-II diagnostic trouble code meaning: Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Intermittent Bank 1. Common causes: poor contact in the sensor connector, open or short circuit in the sensor circuit. Estimated repair cost: $28–89.

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

Symptoms

  • Unstable engine idling
  • Reduced engine power
  • Dips during acceleration
  • Check Engine Light Illuminates
  • Increased fuel consumption

Causes

  • Poor contact in the sensor connector
  • Open or short circuit in the sensor circuit
  • IMT valve position sensor malfunction
  • Mechanical failure of the intake manifold flaps
  • Problems with the wiring harness near the intake manifold

How to Fix

  1. Check the sensor connections and connector for corrosion and damage.
  2. Test the sensor circuit for open and short circuits
  3. Check the resistance and signal of the position sensor
  4. Inspect the intake manifold flap mechanism
  5. If necessary, replace the IMT valve position sensor

Related codes

P2080P2081P2078

Error P2079 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P2079 code mean?

P2079 is an OBD-II diagnostic trouble code that indicates: Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Intermittent Bank 1

What causes a P2079 error code?

The most common causes of P2079 include: Poor contact in the sensor connector; Open or short circuit in the sensor circuit; IMT valve position sensor malfunction; Mechanical failure of the intake manifold flaps.

How do I fix a P2079 diagnostic trouble code?

To fix P2079: Check the sensor connections and connector for corrosion and damage.. Test the sensor circuit for open and short circuits. Check the resistance and signal of the position sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2079?

Yes, but get it checked soon

How much does it cost to fix P2079?

The estimated repair cost for P2079 is $28–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat