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:
Engine Heater
Vehicles may have an engine
heater. The engine heater can help
in cold weather conditions at or
below −18 ºC (0 ºF) for easier
starting and better fuel economy
during engine warm-up. Plug in the
heater at least four hours before
starting the vehicle. An internal
thermostat in the plug end of the
Catalytic converter movement caution
CAUTION: To prevent internal damage to the flexible coupling of the
catalytic
converter assembly, the converter must be supported. The vertical
movement at the rear of the catalytic converter assembly must not exceed
6 degrees up or down.
CLEAN, DRY, LOW PRESSURE GAS SOURCE CAUTION
CAUTION: Use the
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