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 MANUALSCHEVROLET1995CAVALIER LS, 4D SEDAN, 2.2 4REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 4 (ENGINE CONTROLS - TESTS W/CODES - 4.6L)PCM CODE CHARTSCODE P119, OPEN/SHORTED FUEL INJECTORACTION
1995 Chevrolet Cavalier LS, 4D Sedan, 2.2 4
Code P119, Open/Shorted Fuel Injector: Action
1995 Chevrolet Cavalier LS, 4D Sedan, 2.2 4SECTION Action
WARNING: This page is about a different car, the 1995 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.
Faulty injector disabled for engine run cycle.
NOTE:
Test numbers refer to numbers on diagnostic chart.
- Checks for intermittent. If second digit of PD17 is zero, fault is not present. PCM snapshot should show PD17 second digit as "1".
- Checks for short to ground on circuit No. 339 or 439.
- Open may be caused by poor injector harness connector contact. Check terminal contact.
- Use fuel injector override to pinpoint faulty injector circuit. Disabling one injector would normally create a noticeable difference in engine RPM or idle quality.
- Checks for open or short to ground in circuit to PCM.
- Checks injector resistance at engine temperature when the condition occurs. Injector resistance will normally increase with increasing engine temperature. Normal injector resistance should be 8-25 ohms.
- Checks if problem is with injector or fuel rail harness.
- Checks if problem is shorted injector or a short in fuel rail harness.
- Checks for open or high resistance in fuel injector rail harness or open or high injector resistance.
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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.