1. Introduzione
This manual provides essential information for the proper installation, functionality, and maintenance of your Sawyer Auto Intake Manifold Temperature Sensor, model PG-1861328. Please read this manual thoroughly before installation to ensure safe and correct usage.
2. Prodotto finitoview
The Sawyer Auto Intake Manifold Temperature Sensor is a direct-fit replacement component designed to accurately measure the temperature of the air entering your engine's intake manifold. This data is crucial for the Engine Control Unit (ECU) to optimize fuel delivery and ignition timing, ensuring efficient engine operation and performance.
Key features of this sensor include:
- Designed and manufactured to OE standards, ensuring optimal quality and reliability.
- Constructed with durable materials, exceeding OEM specifications for longevity.
- Direct replacement design for seamless installation, matching the factory unit.
- Undergoes rigorous inspection and road testing to ensure reliability and quality.

Figure 1: Sawyer Auto Intake Manifold Temperature Sensor. This image displays the sensor, a direct replacement part designed for precise fitment and accurate temperature readings.
3. Informazioni sulla sicurezza
Quando si lavora sul veicolo, osservare sempre le seguenti precauzioni di sicurezza:
- Assicurarsi che il veicolo sia parcheggiato su una superficie piana e che il freno di stazionamento sia inserito.
- Turn off the engine and allow it to cool down completely before beginning any work.
- Disconnect the negative terminal of the vehicle's battery to prevent electrical shorts or accidental engine starts.
- Indossare adeguati dispositivi di protezione individuale, tra cui occhiali e guanti di sicurezza.
- Per le procedure specifiche e le specifiche di coppia, fare riferimento al manuale di assistenza del veicolo.
- Tenere bambini e animali domestici lontani dall'area di lavoro.
4. Contenuto della confezione
Upon opening the package, verify that you have received the following item:
- 1 x Sawyer Auto Intake Manifold Temperature Sensor (PG-1861328)
If any items are missing or damaged, please contact Sawyer Auto customer support immediately.
5. Installazione (configurazione)
This section outlines the general steps for replacing an intake manifold temperature sensor. Specific procedures may vary by vehicle model. Always consult your vehicle's service manual for detailed instructions.
- Preparare il veicolo: Ensure the engine is cool. Disconnect the negative battery terminal to prevent electrical hazards.
- Individuare il sensore: Identify the existing intake manifold temperature sensor. For 1985-1987 Dodge Caravan models, this sensor is typically located on the cylinder head, near the intake manifold.
- Scollegare il connettore elettrico: Carefully disconnect the electrical wiring harness from the old sensor. This may involve pressing a tab or releasing a clip.
- Rimuovere il vecchio sensore: Using an appropriate wrench or socket, unscrew the old sensor from its mounting location. Be prepared for a small amount of coolant or oil to escape, depending on the sensor's design and location.
- Ispezionare l'area di montaggio: Clean any debris or residue from the sensor's mounting hole. Ensure the threads are clean and undamaged.
- Installare il nuovo sensore: Apply a small amount of thread sealant (if recommended by your vehicle's manual) to the threads of the new Sawyer Auto sensor. Carefully thread the new sensor into the mounting hole by hand to avoid cross-threading.
- Sensore di serraggio: Tighten the sensor to the manufacturer's specified torque. Non stringere eccessivamente, as this can damage the sensor or the manifold.
- Ricollegare il connettore elettrico: Firmly connect the electrical wiring harness to the new sensor until it clicks into place.
- Ricollegare la batteria: Ricollegare il terminale negativo della batteria.
- Sistema di test: Start the engine and check for any warning lights or abnormal readings. Monitor engine performance to ensure the sensor is functioning correctly.
6. Funzionalità
Once installed, the Intake Manifold Temperature Sensor continuously monitors the temperature of the air entering the engine. This temperature reading is sent to the vehicle's Engine Control Unit (ECU). The ECU uses this information, along with other sensor data, to calculate the optimal air-fuel mixture and ignition timing. A properly functioning sensor ensures:
- Improved fuel efficiency.
- Reduced emissions.
- Consistent engine performance across varying ambient temperatures.
- Prevention of engine damage due to incorrect air-fuel ratios.
7. Manutenzione
The Sawyer Auto Intake Manifold Temperature Sensor is designed to be a maintenance-free component. Regular inspection during routine vehicle service is recommended. Check the sensor's electrical connector for corrosion or damage and ensure it is securely attached. If the sensor shows signs of failure or provides inaccurate readings, replacement is necessary.
8. Risoluzione Dei Problemi
If you experience issues after installing the sensor or suspect a sensor malfunction, consider the following:
| Sintomo | Possibile causa | Soluzione |
|---|---|---|
| Spia di controllo motore (CEL) accesa | Faulty sensor, incorrect wiring, or other engine issues. | Scan for diagnostic trouble codes (DTCs). If codes relate to intake air temperature, inspect wiring and sensor. Replace if faulty. |
| Poor fuel economy | Inaccurate temperature readings leading to incorrect fuel mixture. | Verify sensor readings with a diagnostic tool. Replace sensor if readings are inconsistent or incorrect. |
| Rough idle or poor engine performance | ECU receiving incorrect air temperature data. | Check sensor connection and integrity. Consider replacement if symptoms persist and other components are ruled out. |
| Difficulty starting the engine (especially in cold weather) | Sensor reporting incorrect cold air temperature, affecting cold start enrichment. | Diagnose sensor output. Replace if faulty. |
Se le procedure di risoluzione dei problemi non risolvono il problema, si consiglia di consultare un tecnico automobilistico certificato.
9. Specifiche
| Attributo | Dettaglio |
|---|---|
| Marca | Sawyer Auto |
| Numero di modello | PG-1861328 |
| Numeri di parte OEM | 139-404, 31218, STACH006, TS10111, TS5020 |
| Peso dell'articolo | 1 once |
| Dimensioni del prodotto | 2 x 4 x 4 pollici |
| Fitment Details | Engine Intake Manifold Temperature Sensor -- On Cylinder Head (for 1985-1987 Dodge Caravan) |
10. Garanzia e supporto
Sawyer Auto is committed to providing high-quality replacement auto parts. For specific warranty information regarding your Intake Manifold Temperature Sensor (PG-1861328), please refer to the warranty documentation included with your purchase or visit the official Sawyer Auto website. For technical support or assistance with installation, please contact Sawyer Auto customer service.
Nota: The product is from a small business brand. Support small businesses.