After getting a "CHECK ENGINE LIGHT" I went to Auto Zone and had the
code pulled. They said it was a P0420. The print out gave the following:
The PCM has determined that the catalyst system efficiency for Bank 1 is
below threshold for the current engine operating conditions. (Bank 1
identifies the location of cylinder #1, while Bank 2 identifies the
cylinder of the opposite Bank). They were not very helpful in
identifying possible solutions. Any ideas? Thanks
Bob
99 Dakota
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