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  1. Ford Crown Vic, Mercury Marauder, Grand Marquis
    My battery drains overnight. I tried pulling all fuses, one by one without success. I do notice one thing and need your opinion whether it could be related. If I disconnect the charged battery and then connect it again, when I start the car, the radio will be ON without my turning it on, even...
  2. Ford Crown Vic, Mercury Marauder, Grand Marquis
    I got two cans of base cost of the same OEM paint code, snd two of clear coat. The instructions claim one can covers about two square feet, so it’s about what I need in total. However, I’ve read conflicting information on doing it right. Some day never do it in a sunny day, others say the...
  3. Ford Crown Vic, Mercury Marauder, Grand Marquis
    I bought a 110,000 mile, 06 Grand Marquis with known issues really cheap. It bogs on acceleration under load... Falls on it's face and stumbles but idles fine and revs great. The wrench in the works is it has a custom tune on it with a cat delete pipe installed with flowmasters so I felt like...
  4. Ford Crown Vic, Mercury Marauder, Grand Marquis
    Vehicle is a 2004 Mercury Grand Marquis GS. I had auto lights on yesterday and went into a Target with a parking garage, the lights turned on. I parked and shut the engine off, with the lights still in auto, but they remained on and the dash was illuminated as well. I turned the switch to off...
  5. Ford Crown Vic, Mercury Marauder, Grand Marquis
    Hi guys, I have a 2004 Mercury Grand Marquis GS with 101,900 miles on it. Runs great, no CEL, up to date on all the maintenance. Here is the data after the engine is warmed up and idling: Fuel Sys 1: CL Fuel Sys 2: N/A Calc Load 19.6% ECT: 201 F STFT B1 0.8% LTFT B1: 1.6% STFT B2: 3.1% LTFT...
  6. Ford Crown Vic, Mercury Marauder, Grand Marquis
    As the title states, I have an 04 Grand Marquis GS with 101K miles. Mechanically it's in great shape, nothing is broken, the emissions system is in optimal order and passed the emissions test about a month ago, but my gas mileage is way under what the manufacturer rating states and in comparison...
  7. Ford Crown Vic, Mercury Marauder, Grand Marquis
    I bought my marquis not too long ago and she has about 130,000 miles. One owner before me and in excellent condition, considering the mileage. The previous owner really took care of it but I’m beginning to wonder if the transmission was ever touched. The last week or so I have been noticing a...
  8. Ford Crown Vic, Mercury Marauder, Grand Marquis
    I have an 87 Grand Marquis (shmintmobile) and the windows quit workin. The motors run but they wont move up or down, I can pull em up or down by hand, but they won't move by themselves. I'm thinkin it might be the regulators? Am I right in that assumption? Any help is appreciated, I wanna drive...
  9. Ford Crown Vic, Mercury Marauder, Grand Marquis
    What’s up guys, I’m new here although I am on my 2nd crown Vic/grand marquis. My first was a 2009 P71 Crown Vic, guy I got it from already made it look really good so I never looked into aftermarket parts or anything to change it appearance because it already looked bad ass in my opinion. I sold...
  10. Ford Crown Vic, Mercury Marauder, Grand Marquis
    Hey I’m just big on conservation and not throwing things into landfills, 06 grand marquis was gpas, any insight on this fuel leak? My eco-consciousness goes far, but 1200 for fuel tank repair on this is tough, while a fuel line at 100 is more my comfort zone. Strap rusted and broke before I...
  11. Ford Crown Vic, Mercury Marauder, Grand Marquis
    I own a 2005 grand Marquis with 53k miles on it and water is getting the the floorboard of my driver all the insulation is soaked, I already fixed the issue with the sunroof being clogged because the water use to go to my back right passenger side. I’m thinking it’s the firewall but am not 100%...
  12. Ford Crown Vic, Mercury Marauder, Grand Marquis
    Yesterday morning I spun out on ice and my passenger side rear end slammed into a guard rail, it wouldn’t start after that, I checked the fuel shut off in the trunk but it still wouldn’t start after that, and had it towed when I tried again today there was a weird clicking noise even without the...
  13. Ford Crown Vic, Mercury Marauder, Grand Marquis
    Got a 2007 Grand Marquis. Had to replace the transmission shifter cable linkage after which the reverse lights stopped working. Bulbs are good, fuse is good. What's the problem? And suggestions are appreciated. Thanks.
  14. Ford Crown Vic, Mercury Marauder, Grand Marquis
    So I had a corner marker busted out, found that on eBay and replaced with a new bulb. I turn the hazards on to check everything. All lights outside work fine but the left turn signal light on the dash doesn’t work, even with hazards. It was the right light I replaced on the outside front...
  15. Ford Crown Vic, Mercury Marauder, Grand Marquis
    Hi everyone, were going to get our oil changed at new place Valvoline. They say they have full synthetic or conventional oil. I think we have always used a synthetic blend. We are thinking of using full synthetic but i read online that could make the engine leak in older cars. Our car is a 1993...
  16. Ford Crown Vic, Mercury Marauder, Grand Marquis
    I've been looking into getting my recently acquired 2007 grand marquis tuned. I originally wanted the sct x4 tuner but I discovered they didn't have preloaded tunes and that was a deal breaker for me. Im looking for some suggestions for tuners for my specified car that can do the following...
  17. Ford Crown Vic, Mercury Marauder, Grand Marquis
    Does anybody know of a good place to get this bbs style or rim? I’ve tried all the local junkyards but there’s never any there. I have 3/4 rims so if anyone on in here in East Tennessee has one of these style rims they’re willing to sell please contact me. Thank you!
  18. Ford Crown Vic, Mercury Marauder, Grand Marquis
    I have a 96 grand marquis ls with the digital dash and I would like to swap out the 2.73s for 3.55s how do I reprogram the speedometer?
  19. Ford Crown Vic, Mercury Marauder, Grand Marquis
    I have a 1998 Mercury Grand Marquis I have recently purchased. It came with a digital cluster and it seems to have bulbs that are out. Does anyone here know what the bulbs are or possibly a place to buy a different digital cluster. I hate the Ford shit green lights.
  20. Ford Crown Vic, Mercury Marauder, Grand Marquis
    So i own a 2009 Mercury Grand Marquis limited edition, im planning on swapping out the rear axle (2.73) for a posi lock (3.73?) Can i just remove my axle and swap in a new one or are there other things i need to add or remove...
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