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2020 Corvette: GM TechLink: Loose Carbon Patch in Air Cleaner Housing

May 4, 2020 2020 corvette, gm techlink, air cleaner, air cleaner housing, air cleaner houseing assembly, filter, carbon patch, loose filter, loose carbon patch, mass airflow, MAF, p0171, p0174, ecm, electronic control module 0 0 1701 0/5 (0 Vote)

2020 Corvette: Loose Carbon Patch in Air Cleaner Housing GM TechLink April 30, 2020 A loose carbon patch in the air cleaner housing may be restricting air flow across the Mass Airflow (MAF) sensor on some 2020 Corvette models. (Fig. 11) DTCs P0101 ... Read More

2014 Corvette: Service Bulletin: 13417 - Service Update for Inventory and Customer Vehicles - Engine Protection Mode Activated During Aggressive Driving

Aug 13, 2014 2014 corvette, service bulletin, ecm, instrument cluster, bcm, hvac, aggressive driving, oster, mep, 13417, engine protection mode 0 0 957 5/5 (1 Vote)

13417: Service Update for Inventory and Customer Vehicles - Engine Protection Mode Activated During Aggressive Driving - Expires with Base Warranty - (Jan 24, 2014) Subject: 13417 – Service Update for Inventory and Customer Vehicles —... Read More

1990 Corvette: Service Bulletin: L98 and LT5: Revised Air Conditioning Control Circuit Diagnosis

Aug 2, 2014 1990 corvette, zr-1, corvette zr-1, l98, lt5, l98 engine, lt5 engine, a/c, air conditioning, revised, control circuit, diagnosis, ecm, a/c clutch, diagnostic chart, 90-400-6E 1 0 5754 4/5 (4 Votes)

Subject: REVISED AIR CONDITIONING CONTROL CIRCUIT DIAGNOSIS Model and Year: 1990 CORVETTE WITH 5.7L L98 AND LT5 ENGINES Source: Chevrolet Dealer Service Bulletin Bulletin Number: 90-400-6E THIS BULLETIN CANCELS AND SUPERSEDES DEALER... Read More

1982 - 1991 Corvette: Service Bulletin: Damaged ECM/PCM Mis-Diagnosis Due to Incorrect "Tap-Testing" Procedures

Aug 1, 2014 1982 corvette, c4 corvette, service bulletin, damaged, ecm, pcm, diagnosis, incorrect, tap-testing, tap testing, procedure, procedures, electronic control module, powertrain control module, 91-384-6E 0 0 2100 0/5 (0 Vote)

Subject: DAMAGED ECM/PCM AND/OR MIS-DIAGNOSED ECM/PCM SYMPTOMS DUE TO INCORRECT "TAP-TESTING" PROCEDURESModel and Year:1982-91 ALL PASSENGER CARS AND TRUCKSSource: Chevrolet Service BulletinBulletin Number: 91-384-6E - (07/24/1991) CONDITION: Because... Read More

1984 Corvette: ECM Codes

Jul 28, 2014 1984 corvette, ecm, codes 0 5 4439 4.33/5 (6 Votes)

Code #12:  Normal System No Codes.Code #13:  Oxygen Sensor Circuit.Code #14:  Coolant Sensor Circuit Low.Code #15:  Coolant Sensor Circuit High.Code #21:  Throttle Position Sensor High.Code #22:  Throttle Position Sensor... Read More

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