Contents Section: Testing & Diagnostics All sections

Waveform (injector) - 3.3l Pfi VIN [n] Buick Skylark VI

Testing & Diagnostics 1 illustration ~180 words

INTRODUCTION

Note. For a tutorial on how to interprete injector waveforms, see WAVEFORMS - INJECTOR PATTERN TUTORIAL found in the GENERAL/GENERAL INFORMATION area. NOTE: To see a list of the other year/make/models these waveform(s) apply to, go to the top of the article.

SOURCE OF WAVEFORM

The Source Vehicle Information Table describes the vehicle the waveform came from. It is not needed for interpretation and is included for reference only.

Each waveform contains a note that links it to its related source table.

ApplicationSpecification
Year1992
MakeBuick
ModelSkylark
Engine3.3L V6 PFI VIN [N]
Ignition TypeDIS w/Hall Effect Pickup
Trans TypeManual Transaxle
Mileage3,925
VIN CodeN - N

SOURCE VEHICLE INFORMATION

  1. (Scheme 2)for the waveform.
  2. See the «WAVEFORM DATA TABLE»(/buick/skylark/vi-1986-1992/remont/testing-diagnostics/#waveform-injector-33l-pfi-vin-n) for supporting data.

The Waveform Data Table is listed first. This table contains supporting information about the waveform illustration and should be used in conjunction with it.

The waveform illustration follows after the table.

Note. See the SOURCE VEHICLE INFORMATION TABLE in this article for a description of the vehicle the waveform came from.

ApplicationSpecification
Pattern TypeVoltage
Voltage Base20 Volts
Time Base5 Milliseconds
Oscilloscope UsedTektronix 222A
Pattern RepresentsBank Of Injectors
Injector Driver TypeVoltage Controlled
Side of Circuit That Driver SwitchesGround
Injector On-Time Shown2.7 mS
ConditionsUnknown
Cursors On-ScreenNo
Cursors Are MeasuringN/A
StatusKnown Good Pattern

WAVEFORM DATA

Injector Waveform (Voltage) - Known Good. Scheme 2

Scheme 2: Injector Waveform (Voltage) - Known Good