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 MANUALSCHEVROLET1998SUBURBAN K2500, 7.4 J, PART TIMEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 169 (ENGINE CONTROLS REMOVAL & INSTALLATION)FUEL SYSTEMS (GASOLINE ENGINES)THROTTLE POSITION SENSORREMOVAL & INSTALLATION
1998 Chevrolet Suburban K2500, 7.4 J, Part Time
Removal & Installation
1998 Chevrolet Suburban K2500, 7.4 J, Part TimeSECTION Removal & Installation
WARNING: This page is about a different car, the 2002 Pontiac Sunfire and 2002 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
- TP sensor is located on side of throttle body. See Fig 1 or Fig 2 . Turn ignition off. Disconnect negative battery cable. Remove the air cleaner outlet resonator.
- Disconnect the TP sensor harness connector. Remove the throttle TP sensor screw(s). Remove the TP sensor and seal. To install, ensure throttle valve is in closed position. Install TP sensor on throttle body. Tighten the TP sensor screw to 18 INCH lbs. (2 N.m). To complete installation, reverse removal procedure.
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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.