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Old 06-15-2020 | 01:01 PM
  #21  
RJ_RS_SS_350's Avatar
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Why were the cam sensors replaced?
Why was the intake manifold replaced?
There is only 1 MAP sensor.
Old 06-15-2020 | 01:53 PM
  #22  
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Originally Posted by RJ_RS_SS_350
Why were the cam sensors replaced?
Why was the intake manifold replaced?
There is only 1 MAP sensor.
Just replaced the things told me to. The manifold was replaced because I was told the plastic could have a leak in the seam where it's molded together.
Old 06-15-2020 | 03:06 PM
  #23  
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Have you tested the fuel pump pressure? Inspected the flex pipe for exhaust leaks?

https://www.obd-codes.com/p0171
Old 06-15-2020 | 04:01 PM
  #24  
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Originally Posted by Oldblue
Have you tested the fuel pump pressure? Inspected the flex pipe for exhaust leaks?

https://www.obd-codes.com/p0171
No exhaust leaks, brand new fuel pump and fuel sensor. Cleaned fuel tank while it was off car. Thanks for all responses I'm still trying everything
Old 06-15-2020 | 07:22 PM
  #25  
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Have you replaced the fuel injectors? Checked their wiring?
Old 06-15-2020 | 07:53 PM
  #26  
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Originally Posted by Oldblue
Have you replaced the fuel injectors? Checked their wiring?
All fuel injectors were changed bought new, wires all look good. I bought this car brand new. Its never had any problems till now.
Old 06-15-2020 | 08:08 PM
  #27  
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Were there other codes before the repairs, that have not reappeared?
Old 06-15-2020 | 08:45 PM
  #28  
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Originally Posted by RJ_RS_SS_350
Were there other codes before the repairs, that have not reappeared?
Yes, it posted 2 codes, one system too rich and system to lean at the same time. Thanks for the help
Old 06-15-2020 | 09:29 PM
  #29  
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No you didn't, what codes?
P0171 is fuel TRIM system lean. That means the computer is working to lean the system.

The computer thinks that there is too much fuel in the A/F ratio. Some things to cause it include fuel vapor from the EVAP system dumping into the intake manifold. Have you checked the EVAP purge valve under the hood?
Old 06-15-2020 | 10:01 PM
  #30  
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Often when both codes are present, the problem is the flex pipe.


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