f100 stalls in gear

15

Asked by May 12, 2016 at 08:31 AM about the 1982 Ford F-100

Question type: Maintenance & Repair

i have an 82 f100 4.9 300 she has vacuum leaks but in idle runs great timing was set to 10 degrees and carb was rebuilt and cleaned by a local carb shop but the truck itself has trouble starting runs in idle i can mash the gas no problem revs up with peddle but every time i put it in gear it stalls any ideas?

18 Answers

118,415

Even though the carb has been rebuilt it sounds like it isn't setup properly, I'd take it back and have it checked.

15

these are the things i have narrowed it down to carb is a possibility but vaccum advance,fuel pump maybe i doubt it though (fuel filters brand new), and torque converter is a slim possibility.

118,415

Ok a vacuum advance won't make it stall at idle, torque converters usually lockup and when that happens you can't even get it too move, fuel pump will usually not deliver fuel when you driving down the road when they go bad, 300 inline 6 is notorious for intake gasket leaks, so you might want to check that.

15

it dosent drive at all and i know it has a major exhaust leak so im assuming it has an intake leak as well but i drove it home from chief land Florida to Pinellas county which is a 200 mile drive my buddy decided to adjust the car and timing im not sure what else he did and he does not remember since then iv replaced the entire ignition system done timing and adjusted the carb

118,415

So if you hold the idle speed up with the throttle can you get it too move?

15

no

15

it just stalls out

15

and its a fight to start it up

118,415

The hard start cold will be a choke problem, the second you touch the gas pedal cold the choke should snap shut, check out YouTube on carb setup for your rig. So now it won't move then it is highly possible that the torque converter has locked up.

15

but if im in park the car lets me hit the gas and rev it

118,415

When your in park or neutral there is no load on the transmission so naturally it will rev up.

15

ok what is the best way to check the torque converter without removing it if their is a way at all

15

iv had no problems slipping overheating or anything tranny related that im aware of

118,415

Jack it up and block it, start the engine in neutral, give the rear wheels a good spin by hand and quickly drop it into drive and see if it catches and spins the tires under its own power, you may have to raise the idle speed with the throttle pedal to overcome the initial load, once they start to spin on their own slowly apply the brakes till the tires stop and if the converter its locked it will die.

1 people found this helpful.
15

i got her to drive a foot by flooring it but died directly after

I have a 1969 ford f100 240 6 cin it starts up good plenty of power when it idling but going down the road it's like it cuts off then it picks back up and the power is weak can you tell me the problem thanks

118,415

Check for a worn distrubutor, the shaft bearing or breaker plate could be bad so the dwell is constantly changing along with the timing, vacuum advance unit, centrifugal advance also must work. Has the carb ever been refitted to run this garbage for fuel, it has ruined thousands of needles, fuel hoses and pumps. Also check timing chain slop, more than 6 degrees and it going to cause surging, hesatation and some low end power loss. HTH

1 people found this helpful.

Ok thank you

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