Jerking/Hesitation problems
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At time vehicle run very bad
GMC Yukon 2007 250 miles
I can be driving and then it will start to run very badit will start jerking like it don't want to go and sometimes it cuts off and I have to sit for maybe 10 to 20 minutes and start it up and it'll go a little farther and start the process all over again
2 reports
DI
Same issue here. Code P0174. I have changed map sensor mass flow air sensor O2 sensors, spark plugs, and it still starts stuttering and loses power.
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SO
Sounds like fuel pumps ready to go. Was happening to my 04 and took my mechanic a week to figure it out since it only randomly did it. One thing to quickly fix it, open your power stumping fluid tank then close it and itll start right up
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