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Discussion Starter #1
So recently, my check engine light turns on and I have been having misfires sometime when I gas the car. Sometimes when I turn on my car my idle seems to stall and my car just shuts down by itself. I also got the trouble code P0171. I do have an aftermarket Short Ram intake.
 

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So recently, my check engine light turns on and I have been having misfires sometime when I gas the car. Sometimes when I turn on my car my idle seems to stall and my car just shuts down by itself. I also got the trouble code P0171. I do have an aftermarket Short Ram intake.
Could be a handful of things:

- IAT
- MAP
- Primary o2 sensor

If its specific to a cylinder:
- Injector
- Spark plug
 
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