There are 2 stored owner reports matching the engine leading-label group for the 2004 Chevrolet Corvette in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 2 of 2 matching reports.
Open the full vehicle complaint log (all categories)TL*THE CONTACT OWNS A 2004 CHEVROLET CORVETTE. WHILE STARTING THE VEHICLE, THE CHECK ENGINE LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO AN EMISSIONS STATIONS AND THE CONTACT WAS INFORMED THAT THE SECONDARY AIR DUCT ION SYSTEM WAS THE CAUSE OF FAILURE. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALERSHIP WHERE THE DEALER CONFIRMED THAT THE AIR DUCT SYSTEM WAS THE CAUSE. THE CONTACT PAID FOR THE REPAIRS BUT THE CHECK ENGINE LIGHT ILLUMINATED AGAIN. IT HAD NOT BEEN REPAIRED AGAIN AT THE TIME OF THE COMPLAINT. THE FAILURE MILEAGE WAS 18,550. THE CURRENT MILEAGE WAS 18,600. UPDATED 08/17/10. *LJ THE CONSUMER STATED HE EXPERIENCED EMISSIONS FAILURE FOR THE SECOND TIME. UPDATED 08/23/10*JB
ENGINE OIL LEAK L/H FRONT OF OIL PAN LEAKING OIL. GM VOIDED WARRANTY. *NM
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.