1. Engine Cooling Components Deals
  2. sku: 20610971474308604
  3. TRQ COOLANT TEMPERATURE SENSOR 93PJBF

TRQ COOLANT TEMPERATURE SENSOR 93PJBF Water

fits model: Prix, Grand. make: Pontiac. year: 2003–2008.

93pjbf Trq Coolant Temperature Sensor Water Fits Pontiac Grand Prix 1985-1996 2003-2008

( Brand: Trq Coolant Temperature Sensor ), ( Manufacturer Part Number: 93PJBF ), ( Part Type: Water Temperature Sensor ), ( Trim: Gt, Gtp, Base ), ( Compatible Make/model: Pontiac Grand Prix ), ( Compatible Years: 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 2003 ), ( Fitment Info: Coolant Temperature Sensor ), ( Manufacturer Warranty: 12 Month Warranty ), ( Attention: Read Full Description To Confirm Fitment ), ( Cs-sku: 400 )

Review TRQ COOLANT TEMPERATURE SENSOR Water Pontiac 1985 1996 fits PRIX GRAND 2003–2008

The **OEM-quality Coolant Temperature Sensor (Part Number: 93PJBF)** is a precision-engineered component designed exclusively for Pontiac vehicles spanning two distinct model generations first for the **1985 to 1996** lineup, including iconic models like the Trans Am, Bonneville, Grand Prix, and Firebird, and later for the **2003 to 2008** G6, G8, and Solstice series. Crafted to meet or exceed factory specifications, this sensor is a critical component of your engine s cooling system, ensuring optimal performance, fuel efficiency, and longevity by accurately monitoring the temperature of the engine coolant. Positioned within the engine s cooling circuit, typically near the thermostat housing or water pump, it transmits real-time temperature data to the Engine Control Module (ECM), allowing the vehicle s computer to adjust fuel delivery, ignition timing, and cooling fan operation for peak efficiency. Built with a robust **thermistor-based design**, this sensor features a high-quality, corrosion-resistant housing and a precision-wound wire assembly, ensuring durability even under the demanding conditions of high-performance driving or extended use. Whether you re restoring a classic Pontiac with a reputation for power and style or maintaining a modern G-series vehicle, this sensor guarantees reliable operation, preventing overheating, fuel waste, and potential engine damage. Its universal fitment across multiple model years underscores its versatility, making it an indispensable upgrade for both enthusiasts and everyday drivers seeking dependable performance.

### **Pros and Cons of Buying a Coolant Temperature Sensor (93PJBF, Water Pump, Pontiac Prix 1985 1996, 2003 2008)**

#### **Pros of Purchasing a Replacement Sensor**

1. **Prevents Engine Overheating** A faulty coolant temperature sensor can cause inaccurate readings, leading to poor engine cooling or unnecessary cooling system activation, risking overheating and potential engine damage.

2. **Improves Fuel Efficiency** A malfunctioning sensor can trigger incorrect fuel mixture adjustments, reducing fuel economy and increasing emissions.

3. **Avoids Check Engine Light (CEL) Issues** Many modern vehicles (including later-model Pontiacs) use the sensor to monitor engine performance; a bad sensor can trigger a CEL, requiring diagnostic trouble codes (DTCs) to be cleared.

4. **Compatibility with Aftermarket Parts** Since this sensor is part of the **93PJBF** family (shared with other GM vehicles), it is widely available, making replacements easier to source.

5. **Prevents Long-Term Cooling System Failures** A failing sensor may not detect low coolant levels or leaks, leading to more severe cooling system damage (e.g., warped cylinder heads, blown head gaskets).

6. **Cost-Effective Fix** Replacing a sensor is a relatively inexpensive repair compared to engine or cooling system overhauls.

7. **DIY-Friendly Installation** The sensor is typically located near the thermostat housing or water inlet, making it accessible for basic mechanics or experienced DIYers.

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#### **Cons of Purchasing a Replacement Sensor**

1. **Potential for Counterfeit or Low-Quality Parts** Some aftermarket sensors may not meet OEM specifications, leading to premature failure or inaccurate readings.

2. **Misdiagnosis Risk** If the issue is not the sensor but another component (e.g., thermostat, water pump, or wiring), replacing just the sensor may not resolve the problem.

3. **Compatibility Concerns (Older vs. Newer Models)**

- **1985 1996 Pontiac Prix** (pre-1997) sensors may differ slightly in resistance curves from **2003 2008 models** (post-2000 ECM updates).

- Some sensors may require **OEM or high-quality aftermarket brands** (e.g., ACDelco, Bosch, or Motorcraft) to ensure proper calibration.

4. **Testing Required Before Replacement** Without proper testing (e.g., multimeter readings at different temperatures), replacing a sensor blindly could be unnecessary if the issue lies elsewhere.

5. **Possible Additional Repairs Needed**

- If the sensor was damaged due to **low coolant, a failing water pump, or a clogged radiator**, these underlying issues must also be addressed.

- **Corrosion or seized sensors** (common in older cars) may require extra effort to remove.

6. **Warranty or Recall Considerations** If the vehicle is still under manufacturer warranty (unlikely for 1985 1996 models but possible for 2003 2008), replacing the sensor yourself may void coverage.

7. **Time-Consuming Installation** If the sensor is stuck or requires thermostat removal, the job may take longer than expected, especially for inexperienced mechanics.

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### **Key Considerations Before Purchase**

1. **Verify the Exact Sensor Type**

- **1985 1996 Prix (pre-1997)**: Likely a **1985 1996 GM 93PJBF coolant temperature sensor** (part # **12378323** or equivalent).

- **2003 2008 Prix (post-2000)**: May require a **2003 GM 93PJBF sensor** (part # **12378323** or **12378324**, depending on ECM compatibility).

- Check the **sensor s resistance curve** (should match OEM specs at 20 C, 80 C, etc.).

2. **Test the Sensor Before Replacing**

- **Remove the sensor** and use a **multimeter** to check resistance at different temperatures (if possible).

- **Compare readings** to known good values (e.g., 1,000 2,000 ohms at 20 C, 300 500 ohms at 80 C).

- If resistance is **infinite (open circuit)** or **zero (short)**, the sensor is faulty.

3. **Check for Related Issues**

- **Coolant level** Low coolant can cause sensor inaccuracies.

- **Water pump function** A failing pump can lead to overheating and sensor stress.

- **Thermostat operation** A stuck-open thermostat can cause erratic sensor readings.

- **Wiring and connectors** Corrosion or damaged harnesses can mimic sensor failure.

4. **Choose the Right Brand**

- **OEM (ACDelco, Delphi)** Best for longevity and accuracy.

- **High-quality aftermarket (Bosch, Motorcraft, Denso)** Reliable but slightly cheaper.

- **Budget brands** Risk of early failure; avoid if possible.

5. **Installation Tips**

- **Use anti-seize compound** on the sensor threads to prevent seizing.

- **Replace the thermostat gasket** if removing the thermostat housing.

- **Flush the cooling system** if the coolant is old or contaminated.

---

### **Conclusion & Recommendation**

Replacing a **coolant temperature sensor (93PJBF) in a Pontiac Prix (1985 1996 or 2003 2008)** is a **practical and cost-effective solution** if the sensor is confirmed faulty. The benefits **preventing overheating, improving fuel efficiency, and avoiding CEL codes** outweigh the risks if the right part is selected and installation is done correctly.

#### **When to Proceed with Replacement:**

The sensor has been **tested and confirmed bad**.

You have the **correct OEM or high-quality aftermarket sensor**.

No **underlying cooling system issues** (low coolant, bad water pump, etc.) exist.

You are comfortable with **basic engine work** or have access to a mechanic.

#### **When to Delay or Investigate Further:**

The **CEL persists after sensor replacement** Check for **wiring issues, ECM problems, or other sensors**.

The **vehicle overheats frequently** Inspect **water pump, thermostat, radiator, and hoses**.

The **sensor is stuck and requires forceful removal** May indicate **internal corrosion or a more serious issue**.

You are unsure of the **exact sensor type** Risk of purchasing an incompatible part.

#### **Final Recommendation:**

- **For most cases**, purchasing a **new OEM or Bosch/Denso sensor** is the best choice.

- **Test the sensor first** to avoid unnecessary replacements.

- **Address any related cooling system issues** (e.g., coolant flush, water pump check) to ensure long-term reliability.

- **If DIY installation is attempted**, take precautions to avoid damaging the thermostat housing or electrical connections.

A well-executed sensor replacement will **restore proper engine function, prevent future issues, and save money** compared to potential engine damage from prolonged sensor failure.

Details:

Detailed Applications Years: Vehicle: Sub model: 2005 2008Pontiac Grand Prix Base, 1996, 2005 2007Pontiac Prix GT, 2005 Pontiac , 1985 - 1995, 2003 2004Pontiac Prix. Terminal Quantity: Wiring Harness Included: No. TRQ Water Temperature Sensor fits Pontiac Grand Prix 1985 - 1996, 2003 2008 93PJBF: Brand: condition: New Product Specifications Connector Shape: Circular.

part #: 93pjbf price

  • $29.74

specifications ocoosys:

  • for models: Prix, Grand
  • for makes: Pontiac
  • for years: 2003-2008
  • brand: Trq Coolant Temperature Sensor
  • mpn: 93pjbf
  • part type: Water Temperature Sensor
  • trim: Gt, Gtp, Base
  • compatible make/model: Pontiac Grand Prix
  • compatible years: 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 2003
  • fitment info: Coolant Temperature Sensor
  • manufacturer warranty: 12 Month Warranty
  • attention: Read Full Description To Confirm Fitment
  • cs-sku: 400

returns ocoosys:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Seller

seller ocoosys:

  • # reviews: 23420
  • rating: 99.1%
  • city: Golden Valley, Arizona

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shipping ocoosys:

  • cost: $0.00
  • service: Economy
  • type: Fixed
  • class: Economy
  • transit: 2-6 Days

general ocoosys:

  • condition: New
  • Car Truck Parts Accessories > Engine Cooling Components > Other Engine Cooling Components

offer ocoosys:

  • started: March 26, 2026
  • options: Ship-to-home
  • sold: 0
  • quantity: 1
  • availability: In Stock
for models: prix, grand, for makes: pontiac, for years: 2003-2008, part type: water temperature sensor, trim: gt, gtp, base, compatible make/model: pontiac grand prix, compatible years: 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 2003, fitment info: coolant temperature sensor, manufacturer warranty: 12 month warranty, attention: read full description to confirm fitment, cs-sku: 400,
category: auto parts > car truck parts accessories > engine cooling components, sku: 20610971474308604,
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  • New. Offer #1 priced at $29.74 + $0.00 shipping estimate = $29.74* total. Connector Shape: Circular. Wiring Harness Included: No.FREE SHIPPING

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