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

264,235

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
    4,470
  • #2
    Tom Demyan
    Reputation
    3,110
  • #3
    munron
    Reputation
    2,510
View All

Related Models For Sale

Used Chevrolet Impala
180 Great Deals out of 1,086 listings starting at $1,500
Used Chevrolet Monte Carlo
19 listings starting at $4,900
Used Ford Mustang
13 Great Deals out of 1,078 listings starting at $3,995
Used Pontiac G6
6 Great Deals out of 144 listings starting at $1,250
Used Pontiac GTO
4 listings starting at $13,900
Used Chevrolet Malibu
120 Great Deals out of 1,858 listings starting at $999
Used Chrysler 300
138 Great Deals out of 906 listings starting at $2,411
Used Jeep Grand Cherokee
135 Great Deals out of 3,634 listings starting at $3,213

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.