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Home >> Chevrolet >> 1991 >> S10/T10 P/U 2WD L4-151 2.5L >> Repair and Diagnosis >> Powertrain Management >> Application and ID >> Engine System Identification
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Engine System Identification


Engine Vin Code ID [1] [2] A OR E

Engine 4-151/2.5L

Fuel Control System Throttle Body Fuel Injection

Ignition System High Energy Ignition W/Electronic Spark Timing (HEI-EST)

Computer System Throttle Body Fuel Injection System

Remarks:

[1] The eighth digit of the VIN denotes engine code.

[2] Vin code A is a high output engine. Vin code E is two wheel drive only.