OBD Guide
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P03E2

Cylinder 8 Pressure Variation Low

P03E2 is an OBD-II diagnostic trouble code meaning: Cylinder 8 Pressure Variation Low. Common causes: low compression in cylinder 8, fuel injector malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Misfires
  • Reduced engine power
  • Increased fuel consumption
  • Unstable idle

Causes

  • Low compression in cylinder 8
  • Fuel injector malfunction
  • Problems with the ignition system
  • Piston ring wear
  • Damage to valves

How to Fix

  1. Check compression in cylinder 8
  2. Inspect the fuel injector
  3. Check spark plugs and coils
  4. Diagnose the condition of valves and piston rings

Related codes

P0308P0171P0172

Error P03E2 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P03E2 code mean?

P03E2 is an OBD-II diagnostic trouble code that indicates: Cylinder 8 Pressure Variation Low

What causes a P03E2 error code?

The most common causes of P03E2 include: Low compression in cylinder 8; Fuel injector malfunction; Problems with the ignition system; Piston ring wear.

How do I fix a P03E2 diagnostic trouble code?

To fix P03E2: Check compression in cylinder 8. Inspect the fuel injector. Check spark plugs and coils. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P03E2?

Limited driving only, diagnose soon

How much does it cost to fix P03E2?

The estimated repair cost for P03E2 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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