P25A8

Fuel Mode Select Switch Circuit Intermittent/Erratic

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Incorrect engine operation
Increased fuel consumption
Check Engine Light Is On
Problems with switching fuel modes
Intermittent engine operation

Causes

Wiring harness damage
Oxidation of switch contacts
Fuel mode switch malfunction
Problems with the engine control unit
Short circuit in the circuit

How to Fix

Check the integrity of the wiring harness
Clean switch contacts
Check the operation of the fuel mode switch
Replace switch if necessary
Check the engine control unit for errors

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