hello everyone...i need some 411
04-21-2009, 11:38 PM
#2
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04-22-2009, 11:48 AM
#3
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1987 f150 300/6 no engine light on, new fuel pump and has pressure of 57lbs....the truck just out of the blue began to backfire and stall as i push the gas pedal down...I live in PA so there is no level ground around..I am self employed and need my truck ...I appreciate all the help from the site members..Thanx
04-22-2009, 03:52 PM
#5
Senior Member
Welcome to the forum! I agree with above post about vacuum lines. Another possibility is ignition system, check (replace?) your plugs and wires. Wrong firing order might also make an engine act like that.
04-23-2009, 02:00 AM
#7
Welcome to the site. '87 doesn't have a check engine light, so you will never get one lit up. Check for codes, this thread explains how: https://www.f150forum.com/f10/how-retrieve-trouble-codes-obdi-10907/
Last edited by Just call me Sean; 04-23-2009 at 02:02 AM.