Firebird V8-305 5.0L VIN E (1992)
Idle Speed: All Technical Service Bulletins
Engine Controls - SES Light, Code 22 (TPS Low)/Poor Idle
Bulletin Number:
92-6-2B
Reference Number:
136514
Publish Date:
8/91
Subject:
SERVICE ENGINE SOON LIGHT (CODE 22) (PROCEDURE/DIAGNOSTICS REPLACE TPS)
Models:
Affected
1991-92 FIREBIRD MODELS
This bulletin is being revised to pertain only to 5.0L L03 TBI engines. This bulletin cancels and replaces bulletin 92-6-2A.
This bulletin pertains to 5.0L L03 TBI engines.
Condition:
Some owners of the above vehicles may comment on a Service Engine Soon Light - Code 22 - Throttle Position Sensor low. Additional
comment may be poor idle quality. This condition may be more prevalent after initial startup.
Cause:
The above concerns may result from an intermittent electrical contact inside the Throttle Position Sensor (TPS).
Correction:
If any of the subject conditions are found, complete the following procedure:
1.
Perform the normal diagnostics per Section 6E of the Service Manual.
2.
If no problems are found using the normal 6E diagnostics or the bulletin, replace the TPS with a new TPS kit, P/N 17112679 per the procedure in
Section 6E of the Service Manual. The new TPS will have a yellow dot at the connector area for easier identification.
Part is currently available from GMSPO.
Use applicable labor operations and times.
