Engine System ID

1985
Code 3.8V6

Engine V8-234.3/3.8L[3]
Fuel System
Multi-Point Fuel Injection
Ignition System
Transistorized Ignition System
Computer System
Oxygen Sensor & Idle Speed Control Systems

1985
Code 5.0V6

Engine V8-303.5/5.0L[4]
Fuel System
Multi-Point Fuel Injection
Ignition System
Transistorized Ignition System
Computer System
Oxygen Sensor & Idle Speed Control Systems

1986-91
Code 4.2V6

Engine V8-256/4.2L[8]
Fuel System
Multi-Point Fuel Injection
Ignition System
EZL Electronic Ignition System
Computer System
Continuous Injection System-Electronic (CIS-E)

1986-91
Code 5.6V6

Engine V8-338.5/5.6L[9]
Fuel System
Multi-Point Fuel Injection
Ignition System
EZL Electronic Ignition System
Computer System
Continuous Injection System-Electronic (CIS-E)

NOTES :
[3] --380 Series.
[4] --500 Series.
[8] --420 Series.
[9] --560 Series.