Question about Ford F-150
Runs great for awhile 30 miles then starts acting like no fuel codes 12 and 41 on running test
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Posted on Jan 02, 2017
SOURCE: Ford F-150 starting problem
replace the fuel regulator,its about a $50.00 part and takes about 15 minutes to change,but first relieve the fuel pressure and you can do it in a couple of ways,hitting the fuel pump shut off swith(inertia switch)until the red button pops up,but remember to reset it when done,located either behind the passengers side kick panel or under the carpet in the middle under the dash then start it to run it out of gas which there will still be a little bit in the lines,...or drain it at the valve to check for pressure it looks like a valve stem for a tire.
Posted on May 08, 2009
Has Neon do same, I ran fuel at low level, on hot day, ran engine until it started to act up & threw a fuel pressure gauge on it. Was at approx 5 psi. Cold next morning, 48-50 psi. Always hot day about 30-40 miles into work in morning, o.k. Sit in hot sun all day & would happen 3-4 times on way home. Sit and let cool, 20 minutes or so & go again for a while. Cool day, no problem. Change pump I would.
Posted on Jul 21, 2009
We are having similar problems. My husband replaced the fuel pump, fuel regulator and now it cranks but dies when you give it a lot of gas. He thinks the fuel injectors are stopped up. I read where one guy replaced the computer and fixed it and another one replaced the EEC. Check the relay contact and clean and check all grounding wires.
Posted on Jun 16, 2009
ecc and fuel pump relays good? when the engine is turning over, does the ck engine light go out? if not the PCM isnt getting a crank sensor signal. Power and grounds all ok at pcm?
Posted on Oct 07, 2009
my '93 f-250 (4.9L) stopped running while driving, now it acts like it isn't getting any fuel. Tried switching tanks, but still does the same. What would be the problem.
Posted on Sep 01, 2010
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