long2jump
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I am not a mechanic, just a DIYer trying to save some money. I have a 2019 Unlimited Rubicon. Received the P219A code yesterday. Air/Fuel imbalance. Changed the air filter, reset the code and it returned with 10 miles. O2 sensor voltage is between .1 and 1 volt. Which I found to be normal. The scanner has a test function for it and it said it passed. Noticed the fuel pressure is between 75-80psi and the fuel rail pressure is 1100-1500psi, this is at idle. Is that the normal range? Trying to figure this code out.
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