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 MANUALSCHEVROLET1993BLAZER FULL SIZE V8-350 5.7LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTHROTTLE POSITION SENSORADJUSTMENTS
1993 Chevrolet Blazer Full Size V8-350 5.7L
Throttle Position Sensor: Adjustments
1993 Chevrolet Blazer Full Size V8-350 5.7LSECTION Adjustments
N/A: TPS is not adjustable on this engine.
Each time voltage drops below 1.25 volts and stops, the control module assumes that this value is zero throttle angle and measures percent throttle from this point on.
Each time voltage drops below 1.25 volts and stops, the control module assumes that this value is zero throttle angle and measures percent throttle from this point on.
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.