Diagnosis & Repair

For diagnosis and repair, see Fig 1-Fig 4 . For testing of components, see BASIC DIAGNOSTIC PROCEDURES - 4-CYL article. To identify circuits referenced in testing, see appropriate WIRING DIAGRAM under ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS article. For removal and installation of components, see REMOVAL, OVERHAUL & INSTALLATION - 4-CYLINDER article. To check ECM inputs and outputs, see PIN VOLTAGE CHARTS article. For ECM location, see ENGINE CONTROL MODULE LOCATION  under SELF-DIAGNOSTIC SYSTEM.

Fig 1: DTCs P0351-P0354 Diagnostic Procedure (Introduction)

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Fig 2: DTCs P0351-P0354 Diagnostic Procedure (Steps 1-3)

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Fig 3: DTCs P0351-P0354 Diagnostic Procedure (Steps 4-5)

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Fig 4: DTCs P0351-P0354 Diagnostic Procedure (Steps 6-8)

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