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Engine Controls - Basic Testing
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Engine Controls - Basic Testing
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Introduction
Preliminary Inspection & Adjustments
Visual Inspection
Mechanical Inspection
Compression
Exhaust System Backpressure
Diagnosis
Pcm Replacement Check
No Start Diagnosis (A-3)
Notes
Definition
No Start - Engine Cranks Okay (3.1L & 3.4L With Dis)
Notes
General Inspection
Ignition System (3.1L)
Fuel System (3.1L)
Fuel System (3.4L VIN X)
No Start - Engine Cranks Okay (3.8L With C( )I)
Notes
General Inspection
Ignition System (VIN K, L & 1)
Fuel System (VIN L)
Basic Fuel System Checks (A-7)
Notes
Fuel System Pressure Test
Fuel Pressure Relief
Fuel Pressure Check
Fuel Pump Relay
Fuel Pump Relay By-Pass Procedure
Field Service Mode Check
Basic Ignition System Checks (C-4)
HEI-Est Distributor
Notes
Spark
Ignition Coil Power Source
Ignition Coil Resistance
Distributor Pick-Up Coil Short & Resistance Checks
Tach Pulse (RPM) Signal
Dis (3.1L & 3.4L)
Spark
Ignition Coil Power Source
Ignition Coil Resistance
Crankshaft Sensor Pick-Up Coil Short & Resistance Checks
Crankshaft Sensor Output Signal
Tach Pulse (RPM) Signal
C(3)I (3.8L)
Spark
Ignition Coil Power Source
Ignition Coil Resistance
Tach Pulse (RPM Reference) Signal
Idle Speed & Ignition Timing
Diagnostic Circuit Check
Notes
A-1, Mil Inoperative
A-2, Mil On Steady Or Won't Flash Code 12
3.1L, 3.4L & 3.8L
Summary
Wiring Diagrams
3.1L W/3-Speed A/T (VIN M)
3.1L W/4-Speed A/T (VIN M)
3.4L (VIN X)
3.8L (VIN L)