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 MANUALSCHEVROLET1995BERETTA L4-2.2L VIN 4REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTIGNITION SYSTEMTECHNICAL SERVICE BULLETINSKNOCK SENSOR - REVISED DTC 43 CIRCUIT CHECK
1995 Chevrolet Beretta L4-2.2L VIN 4
Knock Sensor - Revised DTC 43 Circuit Check
1995 Chevrolet Beretta L4-2.2L VIN 4SECTION Knock Sensor - Revised DTC 43 Circuit Check
File In Section: 6E - Engine Fuel & Emission
Bulletin No.: 61-65-17
Date: March, 1996
SERVICE MANUAL UPDATE
Subject:
Section 6E3 - Driveability and Emissions - Revised DTC 43 Knock Sensor (KS) Circuit
Models:
1995 Buick Century, Skylark
1995 Chevrolet Beretta, Corsica
1995 Oldsmobile Achieva, Cutlass Ciera
1995 Pontiac Grand Am
with 2.2L, 2.3L Engines (VINs 4, D - RPOs LN2, LD2)
This bulletin is being issued to revise the 1995 A, L and N Service Manuals. Changes in the DTC 43 Knock Sensor (KS) Circuit Check include enhanced diagnostic charts. The following pages need to be revised in your Service Manual:
^ 95 A Platform - Page 6E3-A-71 DTC 43 Knock Sensor (KS) Circuit
^ 95 L Platform - Page 6E3-A-71 DTC 43 Knock Sensor (KS) Circuit
^ 95 N Platform - Page 6E3-A-75 DTC 43 Knock Sensor (KS) Circuit
Bulletin No.: 61-65-17
Date: March, 1996
SERVICE MANUAL UPDATE
Subject:
Section 6E3 - Driveability and Emissions - Revised DTC 43 Knock Sensor (KS) Circuit
Models:
1995 Buick Century, Skylark
1995 Chevrolet Beretta, Corsica
1995 Oldsmobile Achieva, Cutlass Ciera
1995 Pontiac Grand Am
with 2.2L, 2.3L Engines (VINs 4, D - RPOs LN2, LD2)
This bulletin is being issued to revise the 1995 A, L and N Service Manuals. Changes in the DTC 43 Knock Sensor (KS) Circuit Check include enhanced diagnostic charts. The following pages need to be revised in your Service Manual:
^ 95 A Platform - Page 6E3-A-71 DTC 43 Knock Sensor (KS) Circuit
^ 95 L Platform - Page 6E3-A-71 DTC 43 Knock Sensor (KS) Circuit
^ 95 N Platform - Page 6E3-A-75 DTC 43 Knock Sensor (KS) Circuit
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.