P2A42
Alternative Fuel Tank B Pressure Sensor Range/Performance
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)
Symptoms
- Unstable engine operation
- Increased fuel consumption
- Check Engine light comes on
- Problems starting the engine
- Reduced engine power
Causes
- Fuel tank pressure sensor B malfunction
- Damage to wiring or connectors
- Sensor contamination
- Problems with the ECU
- Mechanical damage to the fuel system
How to Fix
- Check fuel tank pressure sensor B
- Inspect wiring and connectors for damage
- Clean the sensor from dirt
- Replace sensor if necessary
- Check the operation of the computer
Related codes
Error P2A42 by Vehicle Brand
AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye