Thrillz22
New member
I have a 2015 Sonic RS 1.4 L turbo With K&N Cold Air intake 37,000 miles . This started about a week ago. I went and got a different gas from Route 66 and 2 days later I had the light come on. I then went to auto zone to read the code and it came up P0171. They said to run a fuel injector cleaner thru it which I did and it turned off for 2 days then came back on went back to have code read and it's come up again. The cars running fine no problems just not sure what it may be I've checked all the hoses and haven't found any cracks. I've tightened all gaskets around hoses to intake it went off for a few hours. I let sit for the night started it up this morning and back on again. Any suggestions
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