P03AE
Cylinder 3 Pressure Too Low
P03AE is an OBD-II diagnostic trouble code meaning: Cylinder 3 Pressure Too Low. Common causes: piston ring wear, damage to valves. Estimated repair cost: $56–333.
Severity
⚠️ MediumCan you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–333 (est.)
Symptoms
- Misfires
- Power Loss
- Increased fuel consumption
- Unstable idle
Causes
- Piston ring wear
- Damage to valves
- Leaks in the intake system
- Faulty fuel injectors
- Weak spark plugs
- Problems with the ignition coil
- Malfunction of the cylinder pressure sensor
How to Fix
- Checking compression in cylinders
- Ignition system diagnostics
- Checking fuel injectors
- Inspection of valves and piston rings
- Checking the wiring harness and sensors
- Replacing faulty components
Related codes
Error P03AE by Vehicle Brand
AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye
FAQ
What does the P03AE code mean?
P03AE is an OBD-II diagnostic trouble code that indicates: Cylinder 3 Pressure Too Low
What causes a P03AE error code?
The most common causes of P03AE include: Piston ring wear; Damage to valves; Leaks in the intake system; Faulty fuel injectors.
How do I fix a P03AE diagnostic trouble code?
To fix P03AE: Checking compression in cylinders. Ignition system diagnostics. Checking fuel injectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P03AE?
Limited driving only, diagnose soon
How much does it cost to fix P03AE?
The estimated repair cost for P03AE is $56–333. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat