Coolant Thermostat (Below Regulating Temperature)
Engine takes long to warm up, Poor heater performance in winter, Reduced fuel economy, Temp gauge reads lower than normal
| Job | Range |
|---|---|
| Thermostat replacement (DIY) | $20–$60 |
| Thermostat replacement (shop) | $120–$300 |
| Coolant temp sensor replacement | $30–$120 |
These percentages are general patterns, not a diagnosis for your specific vehicle. Have a technician scan your car to confirm which component is actually failing.
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