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2019 TOYOTA RAV4
2.5L I4 (A25A-FKS, Dynamic Force)•FWD•AUTOMATIC•gas•M20A-FKS
7 active safety recalls on this vehicle — view recalls
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Repairs396Labor479Torque363Fluid7DTC1640Battery1Maintenance0Recalls7
P0168moderate severityPowertrain

Fuel Temperature Too High

on 2019 Toyota RAV4 2.5L I4 (A25A-FKS, Dynamic Force) · FWD

What this code means

The PCM has detected that fuel temperature has exceeded the expected safe range. High fuel temperature can affect fuel density and injection accuracy, impacting performance and emissions.

Symptoms

  • Reduced engine power
  • Poor fuel economy
  • Check engine light on

Common causes

  • Faulty fuel temperature sensor
  • Return fuel line overheating near exhaust
  • Wiring or connector fault at sensor
  • Actual overheated fuel due to low tank level

Diagnostic steps

  1. Read fuel temperature sensor value with scan tool
  2. Compare reading to actual fuel/ambient temperature
  3. Inspect sensor wiring and connectors for damage
  4. Test sensor resistance against spec and replace if faulty
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