Sentra Wagon FWD L4-1597cc 1.6L SOHC (GA16i) (1989)
Idle Speed: Customer Interest
Exhaust System - Sulfur Odor
Classification:
EC90-006
Reference:
NTB90-061
Date:
June 28, 1990
EXHAUST ODOR
APPLIED VEHICLE(S):
1989 Sentra (B12)
APPLIED VIN(S):
Prior to 5/25/89 (JAPAN - Built Vehicles)
Prior to 8/1/89 (U.S. - Built Vehicles)
SERVICE INFORMATION
Some of the applied models built prior to May 25, 1989 (JAPAN-Built Vehicles) or August 1, 1989 (U.S.-Built Vehicles) may exhibit an exhaust odor
which smells of sulfur. To resolve such a customer complaint, perform the following service inspection procedures.
SERVICE PROCEDURE
1.
Verify that the following engine control components are properly adjusted, using the Service Manual for specification and adjustment procedures:
^
Idle Speed
^
Throttle Valve Switch
^
AIV Operation
^
CO Inspection
2.
If these components are within specification, perform self-diagnosis to verify proper Mixture Ratio Feedback Control (Mode II) and confirm the
all-clear code (55) in Mode III. If self-diagnosis codes other than (55) are stored in Mode III, perform the appropriate diagnostic procedure to
repair the malfunction.
3.
If self-diagnosis indicates proper Mixture Ratio Feedback and engine control components are adjusted and operating properly, replace the AIV
Case Assembly with the new part listed below:
New Part # : 14812-84A10 (Replaces Former Part # : 14812-84A00)