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acramstr, ASE Master Tech
Category: Acura
Satisfied Customers: 5338
Experience:  ASE master tech ,CA smog, ASE L1
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2001 Acura MDX: dtc..fuel tank cap, then cleared the code..reappeared.

Customer Question

I am experiencing a DTC code of P1456 on my 2001 Acura MDX. I replaced the fuel tank cap, then cleared the code. It has reappeared. What is the second most likely cause? Thanks.
Submitted: 6 years ago.
Category: Acura
Expert:  acramstr replied 6 years ago.
Hi Sir or Madam, welcome to Just Answer. I'm acuramstr. The next most likely problem would be the fuel filler neck . But You really should check the system with a smoke machine. This code can be caused by any number of things It is not a good idea to just start changing parts . In the long run it is cheaper to have someone check it with a smoke machine.
Customer: replied 6 years ago.
Thanks, but I was looking for likely causes, not diagnostic procedures.

I wish to discontinue this question.