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 MANUALSCHEVROLET1982CAMARO L4-151 2.5LREPAIR AND DIAGNOSISTECHNICAL SERVICE BULLETINSALL TECHNICAL SERVICE BULLETINSECM - FALSE CODE 24
1982 Chevrolet Camaro L4-151 2.5L
ECM - False Code 24
1982 Chevrolet Camaro L4-151 2.5LSECTION ECM - False Code 24
90chevy06
Subject: FALSE CODE 24 ON 1982 VEHICLES EQUIPPED WITH A 2.5L EFI L-4 ENGINE AND MANUAL TRANSMISSION
Number: 82-I-24
Section: VI
Date: DECEMBER, 1981
TO: ALL CHEVROLET DEALERS
On 1982 vehicles equipped with a 2.5L EFI L-4 engine and manual transmission, it is possible to set a false code 24 if certain engine operating characteristics are met. To set a false code 24, the vehicle may be in Neutral, with engine RPM above 1200 RPM for more than 60 seconds. A trouble code set in this manner should be disregarded when servicing the vehicle. The code may be cleared from the ECM memory by disconnecting the positive battery cable pigtail for 10 seconds.
Subject: FALSE CODE 24 ON 1982 VEHICLES EQUIPPED WITH A 2.5L EFI L-4 ENGINE AND MANUAL TRANSMISSION
Number: 82-I-24
Section: VI
Date: DECEMBER, 1981
TO: ALL CHEVROLET DEALERS
On 1982 vehicles equipped with a 2.5L EFI L-4 engine and manual transmission, it is possible to set a false code 24 if certain engine operating characteristics are met. To set a false code 24, the vehicle may be in Neutral, with engine RPM above 1200 RPM for more than 60 seconds. A trouble code set in this manner should be disregarded when servicing the vehicle. The code may be cleared from the ECM memory by disconnecting the positive battery cable pigtail for 10 seconds.
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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.