P1189 Dodge Code - Throttle Inlet Pressure Sensor Low
Quick Answer
The P1189 OBD-II trouble code for Dodge vehicles indicates a problem with the throttle inlet pressure sensor reading being too low. Common causes include Faulty throttle inlet pressure sensor, Vacuum leak in the intake system, Clogged air filter. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1189 Dodge indicates Throttle Inlet Pressure Sensor Low.
- Common causes
- Common causes include Faulty throttle inlet pressure sensor, Vacuum leak in the intake system, Clogged air filter.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code P1189 Dodge Description
The P1189 OBD-II trouble code for Dodge vehicles indicates a problem with the throttle inlet pressure sensor reading being too low. This sensor is responsible for monitoring the pressure in the intake manifold and providing data to the engine control module (ECM) to ensure proper air-fuel mixture for combustion. When the sensor detects that the pressure is lower than expected, it triggers the P1189 code.
Common Causes of P1189 Dodge
- Faulty throttle inlet pressure sensor
- Vacuum leak in the intake system
- Clogged air filter
- Issues with the fuel delivery system
- Wiring or connector issues related to the sensor
Symptoms of P1189 Dodge
- Rough idling
- Decreased fuel efficiency
- Hesitation during acceleration
- Loss of power
- Check Engine Light illuminated
How to Fix P1189 Dodge
- Begin by using an OBD-II scanner to confirm the P1189 code and identify any other related codes.
- Inspect the throttle inlet pressure sensor and its wiring for any visible damage or loose connections.
- Check for vacuum leaks in the intake system by performing a smoke test or using a vacuum gauge.
- Replace the throttle inlet pressure sensor if it is found to be faulty.
- Clear the trouble codes and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P1189 Dodge
The cost of repairing a P1189 code can vary depending on the specific cause of the issue. In general, replacing a throttle inlet pressure sensor can range from $100 to $300, including parts and labor. However, additional costs may be incurred if other components need to be replaced or if further diagnostics are required. As mentioned earlier, labor rates at auto repair shops can vary, so it's advisable to obtain quotes from local shops for a more accurate estimate.
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