Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD2004FOCUS ZX3, 2.0 3, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS - CNG, FLEX-FUEL & GASOLINEDIAGNOSTIC TROUBLE CODE (DTC) CHARTSP1264 - CYLINDER 4 HIGH TO LOW SIDE SHORT
2004 Ford Focus ZX3, 2.0 3, Standard
P1264 - Cylinder 4 High To Low Side Short
2004 Ford Focus ZX3, 2.0 3, StandardSECTION P1264 - Cylinder 4 High To Low Side Short
P1264 - CYLINDER 4 HIGH TO LOW SIDE SHORT
| Description: | Indicates a low voltage condition exists at the injector output of the NG module for cylinder No. 4 when high voltage is expected. | ||
| Possible Causes: |
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| Diagnostic Aids: | PID Data Monitor INJ4F fault flags = YES. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | - | - | GO to HA: Natural Gas Fuel Control STEP 27 |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.