P1398 Fault Code
You can find information about the P1398 fault code on this page.
BE WARNED! This particular code can mean a different thing depending on what make the car is, check below.
Manufacturer-Specific Meanings
Audi P1398
"Engine RPM signal,"
Jeep P1398
"Mis-Fire Adapter Numerator at Limit"
Dodge P1398
"Mis-Fire Adapter Numerator at Limit"
Chrysler P1398
"Mis-Fire Adapter Numerator at Limit"
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