Question about 1997 Ford Expedition
Truck turns over and idles at about 300 to 1000 then dies for about a minute. Also back fires. Replaced the spark plugs and fuel filter . tested coil packs. before it died truck was running really rough with no power and check engine light was flashing. checked all the hoses.
Sounds like the timing chain has jumped a tooth needs a new chain if its an interference motor the valves are most likely bent to
Posted on Jan 05, 2013
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Posted on Jan 02, 2017
Are you sure the spark is sufficient? I have seen weak coils cause your problem also bad coil wires loosing to much voltage to the distributor.
Posted on Oct 24, 2009
Hey Troy code 301 is cylinder # 1 miss fire, I know you know that, but have you check your fuel injector, that what is sound like to me, of corse me not beening there would be my best guess, look's like you have checked every thing else, good luck.
Posted on May 24, 2010
Testimonial: "thanks for the awnser.It helped alot."
I Have a 1999 ford f150 4.6 that back fires and is just running really ruff when idling alot of nack fire a sord of like a pulse going on what is my problem?
Posted on Oct 12, 2011
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