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I have a 79 ford f150 with 300 inline 6 and granny 4 speed trans. The truck starts fine and idles fine and drives fine. But every once in a while when going down the road it will stall when i hit the breaks, like if a car slows in front of me or i go to slow down for a turn. It doesn't show any signs that its going to stall it just does the only way i really notice it is because the steering wheel gets hard to turn. It starts right back up after and continues to run fine. Its got plenty of gas in it, and I can't replicate the problem by hitting the breaks as i drive. It only does this every once in a while, its not a daily problem, its just alittle scary when all of a sudden i loose power steering as i am making a turn. Any idea's as to what the problem is or how to fix it? thanks
Could be Ill try that, I did a google search about it and I read that it could be running to lean so I adjusted the carb and the screw wasn't even out 1 and a half turns. Its hasn't done it since but still it doesn't do it every day. So lets cross are figures. thanks for the help flipklos!
Best way to set a carbs idle mix is to turn the screw in untill idle starts to drop. Turn back out till a max vacum reading is attained. Turn the screw back in 1/2 turn. Idle mix is set. A fellow FTE user taught me that. Works great.