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 MANUALSDODGE AND RAM1999CARAVAN BASE, 2.4 BREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEENGINE CONTROLS - ADJUSTMENTSTHROTTLE POSITION SENSORALL MODELS
1999 Dodge and Ram Caravan Base, 2.4 B
All Models
1999 Dodge and Ram Caravan Base, 2.4 BSECTION All Models
- Remove components for access to electrical connector at TP sensor mounted on throttle body. With electrical connector installed on TP sensor, turn ignition on with engine off. DO NOT start engine.
- Using digital volt-ohmmeter, measure voltage at center terminal (Orange/Dark Blue wire) on electrical connector for TP sensor with throttle valve closed (idle position). Voltage should be approximately .38-1.20 volts.
- Slowly open throttle to full throttle and note voltage reading. Voltage should smoothly increase to approximately 3.10-4.40 volts.
- If voltage is not within specification, check for defective terminals or connections at TP sensor and Powertrain Control Module (PCM). The PCM is located between driver's side front fender and power distribution center, near battery.
- If terminals or connections are defective, repair as necessary and recheck operation. If terminals or connections are okay, replace TP sensor.
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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.