Buick Regal 2018-2024 Service Manual / Engine / Firing Order and Cylinder Identification
Buick Regal: Firing Order and Cylinder Identification
NOTE: This information is intended as a quick reference for firing order and cylinder identification only. The information provided covers many vehicles and may include some information that does not apply to the vehicle you have currently selected.
3 CYLINDER ENGINE
4 CYLINDER ENGINE
5 CYLINDER ENGINE
IN-LINE 6 ENGINE
V6 ENGINE
3.5L VIN 4 V6 Engine
3.8L & 4.3L V6 Engines
All Other V6 Engines Except 3.5L (VIN 4), 3.8L & 4.3L
8 CYLINDER ENGINE
4.0L, 4.4L & 4.6L V8 Engines
5.0L, 5.7L (VIN R & VIN K) & 7.4L V8 Engines
6.6L Diesel V8 Engine
All Other V8 Engines Except 4.0L, 4.4L, 4.6L, 5.0L, 5.7L (VIN R & K), 7.4L & 6.6L
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Specifications, Schematic Wiring Diagrams
Specifications
FASTENER SPECIFICATIONS (OFF VEHICLE)
Single Use Non-Threaded Fasteners/Components
NOTE:
All fasteners/components listed in this table MUST BE DISCARDED and replaced
with NEW
after rem
SEE MORE:
Memory Features
If equipped, memory seats allow two
drivers to save and recall their
unique seat positions for driving the
vehicle, and a shared exit position
for getting out of the vehicle. Other
feature positions may also be
saved, such as power mirrors and
power steering wheel, if equipped.
Memory positions ar
DTC P00E9
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic
approach.
Diagnostic Procedure Instructions provides an overview of each
diagnostic category.
DTC Descriptor
DT
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