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  1. observation: oil coolant temperatures.

    Fiesta ST Discussions
    Just stating an observation I have noticed with my car in regards to oil and coolant temperatures in two different driving scenarios. Around town and generally under 55mph. OIL: 180F Coolant. 197F Cruising on the highway after 20 minutes sustained 70mph: OIL: 202F Coolant: 185F...
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