Buick Encore: Waveforms - Injector Pattern Tutorial
Buick Encore 2012-2019 Service Manual / General Information & Maintenance / Waveforms - Injector Pattern Tutorial
- Purpose of this article
- Is a lab scope necessary?
- The two types of injector drivers
- Interpreting injector waveforms
- Current waveform samples
- Voltage waveform samples
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Purpose of this article
NOTE: This is GENERAL information. This article is not intended to
be specific to any
unique situation or individual vehicle configuration. For model-specific
information see appropriate articles whe
Is a lab scope necessary?
Use the Right Noid Light
INTRODUCTION
You probably have several tools at your disposal to diagnose injector
circuits. But you might have questioned
"Is a lab scope necessary to do a thorough job, or
The two types of injector drivers
NOTE: This is GENERAL information. This article is not intended to
be specific to any
unique situation or individual vehicle configuration. For model-specific
information see appropriate articles whe
SEE MORE:
Service programming system (SPS)
Special Tools
EL-49642 SPS Programming Support Tool
For equivalent regional tools, refer to Special Tools.
For step-by-step control module programming instructions, please refer to the
techline information system (TIS)
terminal.
Review the information below to ensure proper programming protocol.
N
Engine oil and oil filter replacement
Removal Procedure
Open hood.
Place a drain pan below the vehicle.
CAUTION: To prevent damage to oil filter cap ensure proper tool is
used. Do not
use an open end wrench which may cause damage to filter cap.
Using a 24mm socket or closed end wrench loosen oil filter cap. Unscrew
filter cap 3
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