2004 Pontiac Grand Prix GT

Asked by Mar 22, 2017 at 09:36 AM about the 2004 Pontiac Grand Prix GT2

Question type: Maintenance & Repair

My engine light is.on, had a
diagnostic check at Auto Zone it
stated it was Knock sensor, so we
replaced BOTH knock sensors
since we were doing it.... Reset
the computer and went to get
inspected and BOOM, before we
ger to thr place the engine light
comes back on. Again had it
hooked up to computer and it
says " Low voltage input bank
2".... What now? Car now when I
crank it runs very rough, sucks up
gas , also smokes when cranks
smells like any freeze ( bad
smell)...

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