ION module code 2002 Axiom

Vehicle has a code for an ION sensing module sec. 1 line circuit fault,
code P1311. This vehicle runs excellent! Monitored all datastream
information and no "red flags" showed up. ST & LT fuel trim is normal.
During driving, CEL flashes as if it has a dead miss, but engine runs
normal and datasteam information normal. Anyone deal with this before?

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1 22nd March 16:19 brink External User Posts: 1	ION module code 2002 Axiom Vehicle has a code for an ION sensing module sec. 1 line circuit fault, code P1311. This vehicle runs excellent! Monitored all datastream information and no "red flags" showed up. ST & LT fuel trim is normal. During driving, CEL flashes as if it has a dead miss, but engine runs normal and datasteam information normal. Anyone deal with this before?