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1989
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735iL
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Repair and Diagnosis
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Engine Performance
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System
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Tests W/Codes
Tests W/Codes
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Introduction
Self-Diagnostic System
Hard Failures
Intermittent Failures
Entering Self-Diagnostics
Retrieving Codes (Approved Method)
Retrieving Codes (Alternate Method)
Notes
Diagnostic Flash Codes
Clearing Codes
Trouble Code Diagnosis
Malfunction Light Not On/No Start
Fuel Pump Relay
Main Relay
Engine Speed Reference Sensor
MCU Power & Ground
Fuel Pump
Trouble Code 05
Evaporative Purge Valve
Trouble Code 07 (Fault Code 1)
Airflow Meter
TROUBLE CODE 10 Or 28 (FAULT CODE 2)
Oxygen Sensor
O2 Sensor Symptom Diagnosis
Trouble Code 16
Fuel Injectors (1, 3 or 5)
Trouble Code 17
Fuel Injectors (2, 4 or 6)
TROUBLE CODE 22 &/Or 04
Idle Speed Actuator (ISA)
Trouble Code 44 (Fault Code 3)
Air Temperature Sensor
Trouble Code 45 (Fault Code 3)
Coolant Temperature Sensor
Trouble Code 52 & 53 (Fault Code 4)
Idle & Full Throttle Position Switch
Summary