This article supersedes TSB's 98-9-8 and 99-10-5.
The Malfunction Indicator Lamp (MIL) may be illuminated and Diagnostic Trouble Codes (DTCs) P1380, P1381, P1383, and/or P0340 may be stored in memory. The vehicle may also have a rough idle or reduced power condition, and/or may stall at an idle.
Refer to the following Service Information for diagnostic tips and repair procedures.
Inspect the following areas to help diagnose condition.