codes

Asked by Mar 21, 2017 at 06:48 PM about the 1997 Mercury Grand Marquis 4 Dr LS Sedan

Question type: Maintenance & Repair

Code 44

1 Answer

73,765

P0044 - HO2S Heater Control Circuit High Bank 1 Sensor 3...Possible causes; Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 3, Heated Oxygen Sensor (H2OS) Bank 1 Sensor 3 harness is open shorted Heated, Oxygen Sensor (H2OS) Bank 1 Sensor 3 circuit poor electrical connection, Heated Oxygen Sensor (H2OS) Bank 1 Sensor 3 fuse, Faulty Engine Control Module (ECM).

3 of 3 people found this helpful.

Your Answer

Mercury Grand Marquis Experts

  • #1
    Tracy Hooks
    Reputation
    5,730
  • #2
    kbro
    Reputation
    2,130
  • #3
    Js08016
    Reputation
    1,870
View All

Related Models For Sale

Used Lincoln Town Car
15 listings starting at $1,850
Used Chevrolet Impala
107 Great Deals out of 1,002 listings starting at $1,500
Used Ford F-150
458 Great Deals out of 10,025 listings starting at $1,400
Used Ford Mustang
9 Great Deals out of 1,138 listings starting at $1,250
Used Chevrolet Tahoe
3 Great Deals out of 687 listings starting at $4,995
Used Honda Accord
81 Great Deals out of 1,074 listings starting at $1,200
Used Ford Taurus
16 Great Deals out of 319 listings starting at $4,900
Used Lincoln Continental
62 listings starting at $58,988

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.