2.2L Eng Controls Revised DTC 32 & EGR System Check (71-65-68)

Publication date: 1998-02-01
Reference number: 71-65-68

2.2L ENG CONTROLS REVISED DTC 32 & EGR SYSTEM CHECK

TECHNICAL SERVICE BULLETIN

Reference Number(s): 71-65-68, Date of Issue: February, 1998

SECTION 3A & 9B - ENGINE CONTROLS REVISED DTC 32 & EGR SYSTEM CHECK CHARTS

Model(s): 1994-95 Chevrolet & GMC S models

Section: 6E - Engine Fuel & Emission

Bulletin No.: 71-65-68

Date: February, 1998

NOTE: This is a Service Manual Update.

VEHICLES AFFECTED

1994-95 Chevrolet and GMC S models with 2.2L engine (VIN 4 - RPO LN2).

SERVICE INFORMATION

This bulletin revises the DTC 32 chart and the EGR System Check chart for the following Service Manuals:

1994 NATP - 9444, Pages 3A-99 and 9B-4
1995 GMT/95-S/T-2, Pages 3A-99 and 9B-5

Revised charts for DTC 32 chart Exhaust Gas Recirculation (EGR) Error 2.2L (VIN 4) and EGR System Check With Negative Backpressure EGR Valve are at Fig 1 and Fig 2 .

The updates incorporate new corrections and improved diagnostic procedures.

Please update your Service Manual with these revisions.

Fig 1: DTC 32 Chart Exhaust Gas Recirculation Error 2.2L Revision

Fig 2: EGR System W/Negative Backpressure EGR Valve Revision