Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET1991S10/T10 P/U 4WD V6-262 4.3LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSENGINE CONTROL MODULELOCATIONS
1991 Chevrolet S10/T10 P/U 4WD V6-262 4.3L
Engine Control Module: Locations
1991 Chevrolet S10/T10 P/U 4WD V6-262 4.3LSECTION Locations
Electronic Control Module (ECM) & Vehicle Speed Sensor Buffer (DRAC):
Behind RH Side Of I/P
Engine Compartment Components.:
Behind RH Side Of I/P
Applicable to: 1992 Syclone & Typhoon w/4.3L/V6-262 Turbo Engine
Engine Compartment Components.:
Behind RH Side Of I/P
Applicable to: 1991 Syclone w/4.3L/V6-262 Turbo Engine
Engine Compartment Components:
Behind RH Side Of I/P
Applicable to: 1992 Blazer, Jimmy, S10 & Sonoma w/4.3L/V6-262 HP Engine
Engine Compartment Components.:
Behind RH Side Of I/P
Applicable to: 1992 Blazer, Jimmy, S10 & Sonoma w/4.3L/V6-262 Engine
Engine Compartment Components.:
Behind RH Side Of I/P
Applicable to: 1992 4.3L/V6-262 Engine, Bravada
Engine Compartment Components.:
Behind RH Side Of I/P
Applicable to: 1991 Blazer, Jimmy, S10 & S15 w/4.3L/V6-262 Engine
Engine Compartment Components.:
Behind RH Side Of I/P
Applicable to: 1991 4.3L/V6-262 Engine, Bravada
Engine Compartment Components.:
Behind RH Side Of I/P
Applicable to: 1992 2.8L/V6-173 Engine
Engine Compartment Components.:
Behind RH Side Of I/P
Applicable to: 1991 2.8L/V6-173 Engine
Engine Compartment Components.:
Behind RH Side Of I/P
Applicable to: 1992 2.5L/4-151 Engine
Engine Compartment Components.:
Behind RH Side Of I/P
Applicable to: 1991 2.5L/4-151 Engine
Electric Shift Transfer Case Components.:
Behind RH Side Of I/P
Applicable to: 1992 Blazer & Jimmy
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.