TSB 00096 — Chevrolet Service bulletin

00096 is a service bulletin on file with NHTSA for the Chevrolet Impala, 1996 model years, filed and re-filed as 2 documents. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. SOME CUSTOMERS MAY EXPERIENCE A FAILURE OF THE EXHAUST GAS RECIRCULATION (EGR) VALVE DUE TO CORROSION OF THE INTERNAL DIAPHRAGM PLATE, LEADING TO DRIVEABILITY COMPLAINTS OF A CHECK ENGINE LIGHT FOR EGR VALVE (DTC P0400); OR ENGINE STALL AT IDLE, RUNS ROUGH OR SURGES.

NHTSA's own summary of the document, quoted from the public manufacturer-communications file.

2Documents filed
1Vehicle named
1Model year

Vehicles and model years 00096 names

VehicleModel years
Chevrolet Impala 1996

Every document filed under 00096

Manufacturers re-issue a bulletin as the repair changes, and file separate copies for technicians and for owners. All of them carry the same number.

Document IDFiledType
00096 January 19, 2001 Service bulletin
00096 January 1, 2001 Service bulletin

What 00096 covers

Engine — the component vocabulary NHTSA files this communication under.

← All Chevrolet Impala TSB years TSB lookup by model

Questions buyers ask

What is TSB 00096?

00096 is a service bulletin filed with NHTSA by Chevrolet, covering the Chevrolet Impala across the 1996 model years. NHTSA's summary reads: SOME CUSTOMERS MAY EXPERIENCE A FAILURE OF THE EXHAUST GAS RECIRCULATION (EGR) VALVE DUE TO CORROSION OF THE INTERNAL DIAPHRAGM PLATE, LEADING TO DRIVEABILITY COMPLAINTS OF A CHECK ENGINE LIGHT FOR EGR VALVE (DTC P0400); OR ENGINE STALL AT IDLE, RUNS ROUGH OR SURGES.

Which vehicles does 00096 cover?

NHTSA's file names Chevrolet Impala (1996). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.

Is TSB 00096 a recall, and is the repair free?

No. 00096 is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.

How do I get the full text of 00096?

Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under 00096, its date, and NHTSA's own summary from the public file.

Data updated 2026-08-20 from NHTSA's public records

Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under 00096. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.