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)...

1 Answer

257,895

What are the code numbers? ex. P0400. Sounds like you got an oxygen sensor code. Just because a sensor is detecting a problem, doesn't always mean the sensor is bad itself, something else is causing it to trigger the light/code. what kind of smoke? From the engine bay? from the leaking antifreeze?

Your Answer

Pontiac Grand Prix Experts

  • #1
    Js08016
    Reputation
    4,420
  • #2
    Tom Demyan
    Reputation
    3,050
  • #3
    munron
    Reputation
    2,470
View All

Related Models For Sale

Used Chevrolet Impala
150 Great Deals out of 1,049 listings starting at $997
Used Pontiac G6
140 listings starting at $3,295
Used Chevrolet Monte Carlo
16 listings starting at $6,000
Used Ford Mustang
10 Great Deals out of 1,033 listings starting at $3,500
Used Pontiac Grand Am
38 listings starting at $2,960
Used Pontiac GTO
2 listings starting at $13,900
Used Chevrolet Malibu
100 Great Deals out of 2,046 listings starting at $1,485
Used Chrysler 300
111 Great Deals out of 1,004 listings starting at $2,600
Used Nissan Maxima
35 Great Deals out of 377 listings starting at $2,450

Used Cars For Sale

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.