P1266
Cylinder #6 High To Low Side Short
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)
Symptoms
- Uneven engine operation
- Power Loss
- Increased fuel consumption
- Check Engine Light Is On
- Possible misfire in cylinder 6
Causes
- Damage to the wiring to the injector of the 6th cylinder
- Fuel injector malfunction
- Short circuit in wiring harness
- Problems with the engine control unit
- Corrosion of contacts or connectors
How to Fix
- Check the condition of the wiring to the injector of the 6th cylinder
- Check injector resistance
- Inspect connectors and contacts for corrosion
- If necessary, replace the fuel injector
- Check the operation of the engine control unit