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Engine stalling

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Old 06-16-2018, 12:17 PM
rvarc
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Engine stalling

Hi folks, please help! My 95 Bronco (5.0) has started stalling when put in drive. Reverse and first are ok but stalls in drive or 2nd.
There are 2 vacuum lines that arent going to anything. I put them together but same problem .
 
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Old 06-16-2018, 01:22 PM
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Any codes?
The other post that you responded to ended up focusing on the mass air flow sensor. (Too bad people don't report back)
I can't tell from the picture if yours is SD or mass air.

That looks like a rubber line that would go to your charcoal vapor canister.
 
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Old 06-16-2018, 02:03 PM
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Originally Posted by McLeod View Post
Any codes?
The other post that you responded to ended up focusing on the mass air flow sensor. (Too bad people don't report back)
I can't tell from the picture if yours is SD or mass air.

That looks like a rubber line that would go to your charcoal vapor canister.
Two small (1/16") lines are connected to the cannister. Here is a pic of the other line that isn't connected.
 
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Old 06-16-2018, 02:04 PM
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Originally Posted by rvarc View Post
Two small (1/16") lines are connected to the cannister. Here is a pic of the other line that isn't connected.
I need to get a code reader.
 
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Old 06-16-2018, 03:13 PM
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If your truck is obd1 you can use a paper clip- real easy to do if you can count the flashing lights.


That looks like the tube from the charcoal canister. The fuel tanks should be plumbed into the canister along the top of frame rail.

Your purge valve (shown in first picture) should be connected to the larger plastic tube coming out of the charcoal canister. It may need a reducer of some kind to fit.
 
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Old 06-16-2018, 05:45 PM
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There is nothing to connect to on the canister (pic). I believe the plastic in-line was attached to something on the bottom of the alternator before (2nd pic).
 
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Old 06-16-2018, 05:47 PM
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Old 06-16-2018, 08:03 PM
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Hard to believe dweb4 didn't even have the decency to say "thanks for the help" let alone let people know what the problem was.
 
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Old 06-17-2018, 12:31 AM
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That is not the charcoal canister, that is the vacuum reservoir, which looks to be hooked up correctly.
The charcoal canister is under the alternator attached to the frame under the battery.

There should be two mushroom like looking caps, one line from the gas tanks coming along the frame rail and connecting to it and the other line goes to an apprx 3/8 hard plastic line which as it rises will convert over to a 1/4 rubber line. This is the line that attaches to the purge solenoid and the to the throttle body.

It will look very similar to this:
https://www.ford-trucks.com/forums/1...l#post14952194

also, your vacuum reservoir is looking real rusty. I would take it off of the fender well and check it over real good for any rust through.
If this can has a hole in it it needs to be replaced because that would be a big ol' vacuum leak
 
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Old 06-17-2018, 09:57 AM
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Ok, mine is missing one cap. I connected the hard plastic line to the hose coming from purge solenoid. Same problem.
There is a hose missing from my air pump too.
 
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Old 06-17-2018, 10:13 AM
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Thinking that could be a problem
 
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Old 06-17-2018, 10:24 AM
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I guess its a smog pump and only has 1 hose connected.
 
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Old 06-17-2018, 12:44 PM
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That thing with a hose right in front of your vacuum canister is the muffler for the air pump.
The air pump sends air to the thermactor ,at the fitting shown on your last picture, to the upper rear of the engine where the head crossover tube meets up and then sends air down to the cat. converter.

Codes would be a smart play before going too far in to replacement parts.
 
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Old 06-17-2018, 12:48 PM
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Take a picture of your air intake hose (throttle body to air filter box) so we can see if this is a sd truck or mass air.

And look to see if your dtc port is under the drivers hood hinge or inside the vehicle.
95 was when the transition was happening from OBD1 to OBD2
 
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Old 06-17-2018, 02:14 PM
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Originally Posted by McLeod View Post
That thing with a hose right in front of your vacuum canister is the muffler for the air pump.
The air pump sends air to the thermactor ,at the fitting shown on your last picture, to the upper rear of the engine where the head crossover tube meets up and then sends air down to the cat. converter.

Codes would be a smart play before going too far in to replacement parts.



dtc port is under driver side hood latch
 
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