My fuse under the hood of my 97 Dodge Intrepid 3.3 is blown for the eng contl and I am wondering will the car start if I change that fuse

Hello William , It could be one of many things. Was it running ok immediately prior to it failing?

ether the ECM is shorted out (cars eng controll model) or you ignithion switch is shorted to ground

You might have a shorted headlight relay or a shorted wire for the headlights.

You left out alot of info. We need more to be able to help you. What caused the fire, etc. Did you already check your fuses ( both under the dash and under the hood)? Is your check engine light temporarily coming on when you turn the key on? Can you hear the fuel pump come on when you turn the key on?

Check all the fuses under the hood, you may have blown a fuse when you changed the battery.

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I have a 97' intrepid 3.3 liter there is a tension pulley that moves. No need to loosen any nuts or bolts any where.

Check down under dash by left side of brake pedal area.

Check your power distribution box under hood, usually close to battery for blown fuse, may be one for alternator circuit in there, otherwise you'll need to get a voltmeter on that battery to see if alternator is charging or not.

Does it only do this when the heat or A/c is on full blast.. ( I had a few of my customers with this problem and they needed a new blower motor..)

why what is it doing and did you have check eng light on ? and did you plug in a OBD 2 scanner to retrieve those fault codes that would indicate that specific "code" was the trouble= O2 sensor/or sensors