OBD Guide
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P0068

MAP/MAF - Throttle Position Correlation

P0068 is an OBD-II diagnostic trouble code meaning: MAP/MAF - Throttle Position Correlation. Common causes: map sensor malfunction, maf sensor malfunction. Estimated repair cost: $17–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–167 (est.)

Symptoms

  • Unstable idle
  • Loss of engine power
  • Increased fuel consumption
  • Jerks when accelerating
  • Difficulty starting the engine
  • Check Engine Light Illuminated
  • Rough engine operation

Causes

  • MAP sensor malfunction
  • MAF sensor malfunction
  • Mass air flow sensor dirty
  • Throttle Position Sensor (TPS) malfunction
  • Air leak in the intake system
  • Air filter clogged
  • Throttle valve malfunction
  • Damage to wiring or sensor connectors
  • Engine ECU malfunction

How to Fix

  1. Connect a diagnostic scanner and read all error codes
  2. Check the operation of the MAF sensor - clean or replace if necessary
  3. Check the MAP sensor readings with a multimeter
  4. Diagnose the throttle position sensor
  5. Check the tightness of the intake system for air leaks
  6. Inspect and replace the air filter if dirty
  7. Check the condition of the wiring and connectors of all sensors
  8. Clean the throttle valve from carbon deposits
  9. If necessary, replace faulty sensors
  10. Reset error codes and test drive

Related codes

P0101P0102P0103P0106P0107P0108P0120P0121P0122

Error P0068 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P0068 code mean?

P0068 is an OBD-II diagnostic trouble code that indicates: MAP/MAF - Throttle Position Correlation

What causes a P0068 error code?

The most common causes of P0068 include: MAP sensor malfunction; MAF sensor malfunction; Mass air flow sensor dirty; Throttle Position Sensor (TPS) malfunction.

How do I fix a P0068 diagnostic trouble code?

To fix P0068: Connect a diagnostic scanner and read all error codes. Check the operation of the MAF sensor - clean or replace if necessary. Check the MAP sensor readings with a multimeter. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0068?

Limited driving only, diagnose soon

How much does it cost to fix P0068?

The estimated repair cost for P0068 is $17–167. Actual cost depends on your vehicle, location, and labor rates.

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