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post #1 of (permalink) Old 12-31-2000, 12:28 PM
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Temp Gauge

On my '95 Bronco 302 (94000 miles), the temp gauge has begun to slowly wander during normal accel and cruising. It never leaves the normal range. The coolant has been topped off, and dealership found no problems. Any thoughts?

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post #2 of (permalink) Old 12-31-2000, 11:15 PM
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Re: Temp Gauge

I am not totally sure how it works on a Bronco, but on my Pontiac Fiero, the temp guage feeds off the engine temp sensor. Sounds normal, but some cars the guage feeds of coolant temp sensor, two different things. Try changing your engine temp sensor. They should be about $20 at any auto-parts store.

Sean Heberly
'85 Bronco 5.8L 4-V XLT: 266K still strong. Winter Truck now.
'86 Pontiac Fiero GT: 4.9L Caddy NorthStar Engine, 11.6 QM @ 107.1 MPH, Poly Susp, KONI's all around, 2 1/2" drop.
post #3 of (permalink) Old 01-02-2001, 07:59 PM
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Re: Temp Gauge

I will check that, as soon as it gets above 10 degrees or I find a garage with a little heat. thanks

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post #4 of (permalink) Old 01-04-2001, 06:21 PM
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Re: Temp Gauge

The sender for the gauge ONLY feeds the gauge. The EEC has its own sensor (ECT).

Steve
83 Custom w/95 4.9L EFI, 78 NP435, 83 NP208, 83 D44IFS 3.07, 87 Ford 8.8ABS 3.08, Michelin LTX AT 31x10.50R15
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post #5 of (permalink) Old 01-05-2001, 07:34 PM
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Re: Temp Gauge

could be a thermostat stuck partially open. Does it ever cool off? it shouldn't. If it does get it fixed.

- Dan

99 4Runner (wifes grocery getter)
My Bronco is sold.
What trail rig will be next...
post #6 of (permalink) Old 01-05-2001, 07:41 PM
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Re: Temp Gauge

Steve? are you sure on the sensor for the EEC-iv computer? I thought the water temp sensor is shared by the guage and the computer and the air temp gauge is only used by the computer. Not certain though...

- Dan

99 4Runner (wifes grocery getter)
My Bronco is sold.
What trail rig will be next...
post #7 of (permalink) Old 01-05-2001, 09:27 PM
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Re: Temp Gauge

Yep, sure. The gauge uses the brass sending unit in the intake manifold with the single red&white wire. The Engine Coolant Temperature sensor (ECT for the EEC) is in the thermostat cover. The Air Charge Temperature sensor (ACT) is in the plenum (upper intake manifold).

Steve
83 Custom w/95 4.9L EFI, 78 NP435, 83 NP208, 83 D44IFS 3.07, 87 Ford 8.8ABS 3.08, Michelin LTX AT 31x10.50R15
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