Buick Workshop Service and Repair Manuals > Skylark L4-138 2.3L DOHC VIN D MFI QUAD 4 (1989) > Powertrain Management | Tune-up and Engine Performance Checks | Ignition Timing | Timing Marks and Indicators | System Information

Spark Plug Wire <--> [Ignition Cable] > < Number 1 Cylinder Location

Page 1

Timing Marks and Indicators: Locations

The Electronic Control Module (ECM) controls ignition timing therefore no provisions for adjustment are required. No timing marks are provided on
this engine.

Powertrain Management
Tune-up and Engine Performance Checks
Ignition Timing
Timing Marks and Indicators
System Information
Locations

Spark Plug Wire <--> [Ignition Cable] > < Number 1 Cylinder Location

Buick Workshop Service and Repair Manuals

Skylark L4-138 2.3L DOHC VIN D MFI QUAD 4 (1989)

Powertrain Management Tune-up and Engine Performance Checks Ignition Timing Timing Marks and Indicators System Information Locations

Powertrain Management Tune-up and Engine Performance Checks Ignition Timing Timing Marks and Indicators System Information Locations

Powertrain Management
Tune-up and Engine Performance Checks
Ignition Timing
Timing Marks and Indicators
System Information
Locations

Powertrain Management
Tune-up and Engine Performance Checks
Ignition Timing
Timing Marks and Indicators
System Information
Locations