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no coolant temp reading at both guage or computer
Maybe someone can help me understand this system. The guage always shows cold. (all readings are in F) When I hook up to data stream ect and iat both read 70's when engine is cold. if I unplug the iat it drops to -40 and if I short it out it jumps to 235. If I... Login to read more. 
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| Engine | 3.0 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
1997 Ford Aerostar XLT 3.0L
| Engine | 3.0 L |
| Trans | 4-speed Automatic (Electronic) |
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