My 2001, F-150, V6 misses and backfires ,and was giving lean code help?

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My 2001, F-150, V6 misses and backfires ,and was giving lean code help?

My truck sputters and backfires from a stop, but not all the time , seems to miss at hwy speed under load even a small incline also was giving a lean code (bank 1 lean ) I replaced the O-2 sensors and upperintake gaskets help please !!!!!!!!!!!

2007-03-15 13:40:53 · 2 answers · asked by tra513@sbcglobal.net 1 in Cars & Transportation ➔ Other - Cars & Transportation

2 answers

fuel filter maybe you want to change it or a bad injector

2007-03-15 14:01:19 · answer #1 · answered by flaltajr 3 · 0⤊ 0⤋

I had a 99 ford f150 and it had the same symptoms and it turned out to be a bad spark plug. truck had low miles to. should be able to get a code for a bad sensor. ma by also check your fuel pressure and your coil packs. sorry for all the guessing

2007-03-15 15:18:04 · answer #2 · answered by doug h 5 · 0⤊ 0⤋