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 MANUALSCADILLAC1993DEVILLE BASE, 4D SEDANREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROLS - TESTS W/CODES - PCM/BCMPCM TROUBLE CODE DIAGNOSISPCM CODE E97 - PARK/NEUTRAL TO DRIVE/REVERSE AT HIGH THROTTLE ANGLEACTION

1993 Cadillac DeVille Base, 4D Sedan

Pcm Code E97 - Park/Neutral To Drive/Reverse At High Throttle Angle: Action

1993 Cadillac DeVille Base, 4D SedanSECTION Action

PCM will disable selected injectors and set Code E97. SERVICE ENGINE SOON light is not turned on.

Fig 1: PCM Code E97 Schematic - PARK/NEUTRAL To DRIVE/REVERSE At High Throttle Angle

Courtesy of GENERAL MOTORS CORP.

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.