It would be helpful to see short- and long-term fuel trims (both banks) at idle and at, say, 1500 or 2000 rpm.
Fuel Trim Data: A Powerful Diagnostic Tool | MOTOR
Some things never change. For those who like to think about significant anniversaries, we are now in 2016, and that makes the introduction of OBD II 20 years old. Many articles have been written about the power of using an inexpensive OBD II generic scan tool as a diagnostic starting point, but...
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