85(?) bronco runs bad when warm - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 01-25-2003, 02:27 AM
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85(?) bronco runs bad when warm

Posting for a friend here, so I don't have all the details but here it goes......
85(?) Bronco, starts and runs fine until it warms up,then things get erratic (not to be confused with erotic!). When accelerating it gives bursts of power then nothing. Our thoght is either carb,vac leak or a bad sensor.
I still think it's just a Ford thing [img]images/graemlins/grin.gif[/img] but.... trying to help a brother out. [img]images/graemlins/givemebeer.gif[/img]
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post #2 of (permalink) Old 01-25-2003, 02:32 AM
 
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Re: 85(?) bronco runs bad when warm

I'd be willing to bet that its a vacuum leak. You may want to change the coil also since heat will affect them when they are bad. BTW: Both of these things could happen to yer Chebby as well. [img]images/graemlins/grin.gif[/img] NORM
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post #3 of (permalink) Old 01-25-2003, 02:41 AM
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Re: 85(?) bronco runs bad when warm

Thanks.
And you're right it could happen to the big rig too, but my boy's just too damn lazy to actualy work on his unit and keeps asking for help/ideas on what might be wrong, instead of acutally checking it out.
The coil is a good idea, I'll have to mention that one to him. Thanks again.
Where I, being the cool Chevy guy, actually cares about my rig (and my brand new motor [img]images/graemlins/grin.gif[/img])and just need somebody to go wheelin with. Even if it is a guy drivin a Ford [img]images/graemlins/AR15firing.gif[/img] [img]images/graemlins/grin.gif[/img] .
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post #4 of (permalink) Old 01-25-2003, 02:43 AM
 
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Re: 85(?) bronco runs bad when warm

Dito to that bud! [img]images/graemlins/smile.gif[/img] I'd rather wheel with someone driving a Chebby than with no one at all.
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post #5 of (permalink) Old 01-25-2003, 02:58 AM
 
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Re: 85(?) bronco runs bad when warm

sitet that works would be nice.
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post #6 of (permalink) Old 01-25-2003, 11:35 AM
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Re: 85(?) bronco runs bad when warm

good way to check vacuum leaks. Get a small bottle of propane and open the valve a little. Hold it near the vacumm lines. Anywhere they run. If you hear it suddenly idle higher , then you found your leak.
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