Question about 1986 Ford Bronco II

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It will not start after it has started once & warmed up

1986 Ford Bronco II 2.9 6 cylinder. It will start and run when cold, but after it has warmed up and it is shut off it will not start again.

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$3.00 pc of **** thermal switch on thermostat housing. get a metal (brass) one if you can. been there...done that...

Posted on May 13, 2009

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2.9L bronco 2 will not idle without missing and backfiring was running good done all at once


It sounds like your timing belt jumped a tooth. You'll have to realign your camshaft to crankshaft and change your timing belt. Also, did you recently fill up?

Feb 28, 2012 | 1986 Ford Bronco II

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Ford bronco II starts but wont run


i had the same problem. the ignition switch in the column came apart at the crimps. causing it to only have contact in the start position.
i wired mine together.
good luck.

Jul 10, 2011 | 1986 Ford Bronco II

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The engine sputters and dies when it heats up. Is this Vapor lock? On cold start it works great and idles just fine but as it heats, the engine starts choking and soon dies out. If this is vapor lock, how...


sounds like the reason it starts and idles fine at start up is your choke is functioning... as your vehicle warms up.. the choke starts to kick off... Inspect your throttle body and idle control motor.

Aug 05, 2010 | 1986 Ford Bronco II

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How to add fluid


It goes in through the dipstick. Just use a small throat funnel, but take your time and keep checking the level. You don't want to over fill it. Check the fluid level while the engine is running, not off/cold.

Apr 30, 2010 | 1986 Ford Bronco II

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Cold starts ok warms up shakes and stalls


check engine coolant temperature when it gets warmer, or at operating temperature, and verify that the temperature gauge is showing warmed up to operating temperature. If the coolant temperature sensor tells the computer the engine is cold it will over fuel and miss and the engine will die. When cooled down it will run fine until it warms up. Also could be coil if it starts missing after warmed up.

Aug 18, 2009 | 1990 Ford Bronco II

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1986 Bronco II, 6 cylinder. Finding gas mixed in oil. Will start, but has problems running. Power isn't what it should be. Main problem is gas in the oil. Where could this be coming from.


from unburt fuel in the motor and exhaust. Completely sure thats it. had same problem. Make sure your engine is running hot and and normal operating tempurature. check over all your thermostate sensors. check to make sure actual thermostate is not stuck open. to much gas going through carburator. spark plug not getting efficent fire.

Jul 23, 2008 | 1989 Ford Bronco II

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