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Measuring Cooling Fan RPM using a Low Amp Probe
I have this Pontiac that is running "hot". The low speed fan
turns on at 224* F and turns off at 180* F. The issue is it
takes forever to get to 180*. When I drive it at 65 MPH it
stays at 175* F so I am ruling out a plugged radiator. 
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| Engine | 3.4 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
2004 Pontiac Grand Am SE1 3.4L
| Engine | 3.4 L |
| Trans | 4-speed Automatic (Electronic) |
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