ECM - Rotten Egg Smell From Exhaust: Overview

Classification:
EC00-010a

Reference:
ITB00-026a

Date:
August 30, 2000

2000 G20 SULFUR OR "ROTTEN EGG" ODOR FROM EXHAUST

This amended version of ITB00-026 updates the Service Procedure Section of the bulletin. Please discard all paper copies of ITB00-026.

APPLIED VEHICLE:
2000 G20 (P11)

APPLIED VIN.:
JNKCP11A8YT311772

APPLIED DATE:
Vehicles built before April 6, 2000

SERVICE INFORMATION

If a 2000 G20 model exhibits a sulfur or "rotten egg" odor from the exhaust, particularly during idle operation, it may be caused by high levels of sulfur in the fuel.

NOTE:
Fuels sold in many states outside California contain high levels of sulfur.

There is an updated ECM program available to reduce this incident if it should occur.

IMPORTANT:
Do NOT replace the catalytic converter for this incident because this may only aggravate the incident.

Use the Service Procedure outlined below to address this incident.

NOTE:
For an introduction to and description of ECM Reprogramming, please refer to ITB00-005.

SERVICE PROCEDURE

NOTE:
Detailed instructions for this procedure can be found by clicking here or referring to Attachment "A" to the printed version of this bulletin.

CAUTION:
The ECM can be permanently damaged if the reprogramming procedure is not performed correctly.

1. In ASIST go into Info Tool Box, then CONSULT Utilities, then ECM Data.

2. Select model/model year for the applied vehicle.

3. Select the applicable vehicle configuration for your vehicle from that listed in the upper right ECM data description window.

4. Click "Continue" button to download the new data from ASIST into CONSULT-II.

5. Perform download from CONSULT-II to the vehicle's ECM.

6. Using CONSULT-II access and print the new ECM P/N.

CLAIMS INFORMATION





Submit a Primary Failed Part (PP) line using the claims coding as shown.