OBD Guide
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P22E7

Cylinder 4 Alternative Fuel Injector Control Circuit High

P22E7 is an OBD-II diagnostic trouble code meaning: Cylinder 4 Alternative Fuel Injector Control Circuit High. Common causes: open or short circuit in the injector control circuit, malfunction of the alternative fuel injector of the 4th cylinder. Estimated repair cost: $28–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–167 (est.)

Symptoms

  • Unstable engine operation
  • Increased fuel consumption
  • Misfire in cylinder 4
  • Check Engine light comes on
  • Reduced engine power

Causes

  • Open or short circuit in the injector control circuit
  • Malfunction of the alternative fuel injector of the 4th cylinder
  • Problems with the wiring harness or connectors
  • Engine control unit (ECU) malfunction
  • Corrosion or poor contact in electrical connections

How to Fix

  1. Check the integrity of the injector control circuit
  2. Test resistance and operation of alternative fuel injector
  3. Inspect the wiring harness and connectors for damage.
  4. Check control circuit voltage
  5. If necessary, replace the nozzle or repair the wiring

Related codes

P22E6P22E8P22E9

Error P22E7 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P22E7 code mean?

P22E7 is an OBD-II diagnostic trouble code that indicates: Cylinder 4 Alternative Fuel Injector Control Circuit High

What causes a P22E7 error code?

The most common causes of P22E7 include: Open or short circuit in the injector control circuit; Malfunction of the alternative fuel injector of the 4th cylinder; Problems with the wiring harness or connectors; Engine control unit (ECU) malfunction.

How do I fix a P22E7 diagnostic trouble code?

To fix P22E7: Check the integrity of the injector control circuit. Test resistance and operation of alternative fuel injector. Inspect the wiring harness and connectors for damage.. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P22E7?

Yes, but get it checked soon

How much does it cost to fix P22E7?

The estimated repair cost for P22E7 is $28–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat