Fault code lookup

PowertrainP018F

Caution

Severity: Caution - get it checked when you can

Fuel system over pressure relief valve frequent activation

21 brands affected · Description from Toyota data.

Key terms: Oxygen sensor: measures oxygen in the exhaust gas · Mass air flow sensor: measures the air going into the engine · Powertrain: engine, transmission and emissions

1What it means in plain English

This code is in the fuel, air and oxygen sensor range, which also includes coolant temperature faults.

2Common causes

  1. Dirty or faulty mass air flow sensor
  2. Vacuum or intake air leak
  3. Weak fuel pump or clogged fuel filter
  4. Faulty fuel injector
  5. Faulty oxygen sensor
  6. Wiring or connector fault

3Can I drive?

Caution · drive with care

Have it diagnosed if the engine runs badly or the code keeps returning. Because this range includes coolant temperature sensors, watch the temperature gauge: if it climbs into the red, or the engine overheats or stalls, stop safely and get professional help.

This page gives general information. It is not professional advice. For a definite diagnosis and a repair quote, ask a qualified mechanic to inspect the car.

4Brand data 21

BrandCodeDescriptionSystem
Ashok Leyland CVP018FNo description available Powertrain
BAIC MotorP018FFuel System Over Pressure Relief Valve Frequent Activation BrandPowertrain
BYDP018FFuel System Over Pressure Relief Valve Frequent Activation BrandPowertrain
CheryP018FFuel System Over Pressure Relief Valve Frequent Activation BrandPowertrain
DFFSP018FFuel System Over Pressure Relief Valve Frequent Activation BrandPowertrain
DFFXP018FFuel System Over Pressure Relief Valve Frequent Activation BrandPowertrain
DFXKP018FFuel System Over Pressure Relief Valve Frequent Activation BrandPowertrain
EOBDP018FBränslesystemets övertrycksventil aktiveras ofta BrandPowertrain
GeelyP018FFuel System Over Pressure Relief Valve Frequent Activation BrandPowertrain
GMP018FFuel System Over Pressure Relief Valve Frequent Activation BrandPowertrain
Great WallP018FFuel System Over Pressure Relief Valve Frequent Activation BrandPowertrain
HafeiP018FFuel System Over Pressure Relief Valve Frequent Activation BrandPowertrain
HondaP018FNo description available Powertrain
HyundaiP018FNo description available Powertrain
IsuzuP018FNo description available Powertrain
Land RoverP018FFuel System Over Pressure Relief Valve Frequent Activation BrandPowertrain
PeugeotP018FNo description available Powertrain
SaabP018FFuel System Over Pressure Relief Valve Frequent Activation BrandPowertrain
MG (SAIC)P018FFuel System Over Pressure Relief Valve Frequent Activation BrandPowertrain
TataP018FNo description available Powertrain
ToyotaP018FFuel system over pressure relief valve frequent activation BrandPowertrain

Legend: SAE is the generic J2012 description; Brand is text taken from that manufacturer’s data. Manufacturer rows keep the wording and language of the source data, and non-English text is tagged so screen readers pronounce it correctly.

5Related codes

Browse Pxxx codes or P018xx codes.

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