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:
Diagnostic information and procedures
Specifications
FASTENER TIGHTENING SPECIFICATIONS
DIAGNOSTIC INFORMATION AND PROCEDURES
SYMPTOMS - ENGINE EXHAUST
Review the exhaust system description in order to familiarize yourself
with the exhaust system
components and the intended function of the components. Refer to Exhaust
System De
Heated oxygen and oxygen sensor caution
CAUTION: Do not remove the pigtail from either the heated oxygen sensor
(HO2S) or
the oxygen sensor (O2S). Removing the pigtail or the connector will affect
sensor operation.
Handle the oxygen sensor carefully. Do not drop the HO2S. Keep the inline
electrical connector and the louvered end free of
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