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.
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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.

2 out of 2 people think this is helpful.
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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.
22,455

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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