95 Town Car acting up

White Lincoln

White Lincoln

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Oct 2, 2023
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New Mexico
Vehicle Details
1994 Mercury Cougar XR7, 3.8L, all stock
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Hi all,
(note: I asking on this site because a lot of you have the same engine / tranny as my Town Car and may have had the same issues)

Yesterday my battery died on my 95 Town Car. I put a battery charger on it, added some distilled water to the cells that were low and waited till the battery was charging at less than 3 amps, it started at 6 amps. The car started and drove just fine after I charged the battery.

Today, I drove to Lowe's and on the way the car was running real rough, shifting real crappy and over all acting up. First chance I got I turned around and drove home.

I ran codes and have no codes at all. I reset the code reader and tried again, same. I disconnected the battery, waited some 2-3 minutes and hooked it back up. Car started and still ran like crap.

Did a coil pack go bad? Not sure what the heck happened and since I have no codes, I am SOL.

Any suggestions? Thanks.
 
From what I gather it sounds like you are leaning towards an ignition issue, or it's missing badly. The coil packs on the 4.6s very rarely if ever go bad. Maybe check over wires to make sure nothing came lose, happened to my thunderbird once and it drove like crap until I found a lose plug wire.

You can also try unplugging one sensor at a time like MAF/IAC and see if it changes anything when it throws the computer into default value mode. Easy thing to do and somewhere to start.
 
Kenz said:
You can also try unplugging one sensor at a time like MAF/IAC
Click to expand...
DING, DING, DING, DING!!!!!

I have to apologize to you all. That evening, Sunday, I was farting around with the MAF sensor and seeing it was the same as the Cougar's (which it is not) and inverably left it disconnected.
 
Glad you got it going. Always nice when it is an easy fix!
 
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