Thread: P2A00 & P0300 Codes
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Old 11-06-2013, 11:28 AM   #3 (permalink)
Kmccarthy714
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Join Date: May 2013
Location: Orange County, NY
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Drives: 09 Brilliant Silver
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Quote:
Originally Posted by SouthArk370Z View Post
P0300 is a random misfire code, possibly caused by whatever is causing the P2A00. Possible causes of P2A00:
  • Air Fuel Ratio (A/F) Sensor Bank 1 Sensor 1
  • Air Fuel Ratio (A/F) Sensor Bank 1 Sensor 1 harness is open or shorted
  • Air Fuel Ratio (A/F) Sensor Bank 1 Sensor 1 circuit poor electrical connection
  • Fuel pressure
  • Fuel injector
  • Intake air leaks
Read more: P2a00 Nissan Air Fuel Ratio Sensor Circuit Range/Performance Bank 1 Sensor 1 OBDII Engine Light Trouble Code | Engine-Codes.com
I replaced the A/F but and the connections and wires all looked good. so im shying away from that, the guy i bought it from told me the P2A00 came up after the intakes were installed and then supposdely got it tuned and it came back after the tune.
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