There is a black under my car in the rear i wanted to the name of it and what does it do? I have a 2002 mercury grand marquis

10

Asked by Feb 28, 2014 at 06:00 AM about the 2002 Mercury Grand Marquis

Question type: Maintenance & Repair

4 Answers

10

I meant black box I think it is connected to the the gas it fell off when I hit a bump

1 out of 1 people think this is helpful.
35,765

Some vehicles have the charcoal canister located under there. Not sure if your vehicle does or not. It's just for pollution control. If you don't have to pass a smog test, I wouldn't worry to much about it. I will see if I can find more info.

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35,765

Did it look something like this? http://repairguide.autozone.com/znetrgs/repair_guide_content/en_us/imag es/0996b43f/80/e4/2a/15/medium/0996b43f80e42a15.gif Cut and paste the link into your google search box.

1 out of 1 people think this is helpful.
23,015

It's the Charcoal or Evaporative Canister. They fall off of our Crown Vic Police Interceptors once in a while. Odd since there's 2 rivets and 2 nuts that hold it in place. There's 2 valves or solenoids that will trip a "Check Engine" light so you want to put it back on. $200 for a new assembly.

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