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Chevy Equinox Generations Forum
2nd Gen : 2010-2017 Chevy Equinox
2011 equinox stalls cold runs great warm
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<blockquote data-quote="carkivey3" data-source="post: 23869" data-attributes="member: 8845"><p>engine replaced 3 yrs ago with a remanufactured after low oil ruined engine. has been fine since. last week first thing it started stalling about every 1/4 mile. fires right back up. drove like this 3-4 miles and then it ran great. drove 10 miles, cut off and it fired up n ran fine. tried several times and it worked each time. let it sit 3 hrs and then it would fire, run 3 secs n cut off. thats all it done for the next 2 days. unplugged maf sensor and both o2 sensors with no improvement. of course they should not effect it till it reaches a certain temp. no fault codes. fuel pressure from tank always 60-65 psi. replaced throttle bodyno change. discovered pouring gas thru throttle body kept it running which means fuel problem. if injectors why does it start up every time for a few secs. I then hooked up a bottle feed and let it run 30 mins. once it was warm it ran perfect on its own. drove 20 miles ok. let it sit 3 hrs and it ran fine. let it sit 8 hrs and it ran fine. let it sit 18hrs and back to running 3 secs. no fault codes. fuel trim should run at the average of last cycle till engine warms and starts adjusting fuel trim off 02 sensors. is it possible the ecu is not remembering this specific function and after warming up it runs off live data</p></blockquote><p></p>
[QUOTE="carkivey3, post: 23869, member: 8845"] engine replaced 3 yrs ago with a remanufactured after low oil ruined engine. has been fine since. last week first thing it started stalling about every 1/4 mile. fires right back up. drove like this 3-4 miles and then it ran great. drove 10 miles, cut off and it fired up n ran fine. tried several times and it worked each time. let it sit 3 hrs and then it would fire, run 3 secs n cut off. thats all it done for the next 2 days. unplugged maf sensor and both o2 sensors with no improvement. of course they should not effect it till it reaches a certain temp. no fault codes. fuel pressure from tank always 60-65 psi. replaced throttle bodyno change. discovered pouring gas thru throttle body kept it running which means fuel problem. if injectors why does it start up every time for a few secs. I then hooked up a bottle feed and let it run 30 mins. once it was warm it ran perfect on its own. drove 20 miles ok. let it sit 3 hrs and it ran fine. let it sit 8 hrs and it ran fine. let it sit 18hrs and back to running 3 secs. no fault codes. fuel trim should run at the average of last cycle till engine warms and starts adjusting fuel trim off 02 sensors. is it possible the ecu is not remembering this specific function and after warming up it runs off live data [/QUOTE]
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Chevy Equinox Generations Forum
2nd Gen : 2010-2017 Chevy Equinox
2011 equinox stalls cold runs great warm
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