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Section 4 (Basic Engine Testing - 3.8L)
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Section 4 (Basic Engine Testing - 3.8L)
WARNING:
This page is about a different car, the 1996 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
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Introduction
A & C Chart Reference Table
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
Notes
General Inspection
Ignition System
Fuel System
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
Basic Ignition System Checks (C-4)
Spark
Ignition Coil Power Source
Ignition Coil Resistance
Idle Speed & Ignition Timing
On-Board Diagnostic (OBD) System Check
Notes
The OBD System Check Determines:
A-1, Mil Inoperative
A-2/A-4, DLC Diagnosis Or No Scan Tool Data
Summary