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i have a 1997 lincoln town car that lacks power at take off ...

Sent to Car Experts October 26 02:00 PM

i have a 1997 lincoln town car that lacks power at take off and pops or bakfires thru intake, then all the sudden seems to run fine ,this does not happen every time,idle fluctuates once and a while. any ideas?

 

Optional Information:
1997 Lincoln town car 4.6

Already Tried:
nothing

Customer (name blocked for privacy)
Status:  Closed   Value: $15
Info Request
October 26 2:07 PM (7 minutes and 2 seconds later)
         
REPLIED to Info RequestCheck Mark
Do you have any light on in the dash? Check engine light or anything?
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stin1974 -- Auto Service Technician -- 100% Positive Feedback on 103 Car Accepts
Domestic transmission diagnostics and troubleshooting. General repair diagnostics and troubleshoot.
Reply
October 26 2:16 PM (9 minutes and 32 seconds later)
         
Reply to stin1974's Post: yes the green light comes on and reading the codes say the following bank one lean and bank 2 lean.
Customer (name blocked for privacy)
Answer
October 26 2:23 PM (6 minutes and 46 seconds later)
         
REPLIEDCheck Mark
Ok well those are oxygen sensor codes. Befor you replace the oxygen sensors you will want to chech for vaccum leaks. The first place to check is the intake and around it. You should be able to listen to the motor and see if you have any. It will usually sound like a hissing. If you cant hear any then you can use like carb cleaner and spray around the intake and see if you hear a change in the motor running that will tell you where the leak is. Also you will want to check where the oxygen sensors screw into the exaust. A lot of times it will leak there also. Make sure too that your pcv valve is free. Vaccum leaks are a lot of tomes what give you the oxygen sensor codes. Its that as much as its the oxygen sensors somethimes. Thats what to check first and if there are no leaks I would suggest the O2 sensors themselves
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stin1974 -- Auto Service Technician -- 100% Positive Feedback on 103 Car Accepts
Domestic transmission diagnostics and troubleshooting. General repair diagnostics and troubleshoot.
Reply
October 27 11:41 AM (21 hours and 17 minutes and 58 seconds later)
         
Reply to stin1974's Post: i have had all of that checked,also cruise control does not work.this car only has 47000 miles. thank you,steve
Customer (name blocked for privacy)
Answer
October 27 5:53 PM (6 hours and 12 minutes and 18 seconds later)
         
REPLIEDCheck Mark
Well, if the cruise doesnt work then maybe thats where your vaccum leak is. That is what the cruise runs off of. Just another thing you might want to check. The only reason I suggested those things to try is because under where it says already tried, you typed in nothing.
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stin1974 -- Auto Service Technician -- 100% Positive Feedback on 103 Car Accepts
Domestic transmission diagnostics and troubleshooting. General repair diagnostics and troubleshoot.
Reply
October 30 3:32 AM (2 days and 9 hours later)
         
Reply to stin1974's Post: thank you for trying to answer my question.on a 1997 lincoln town car there are no vacuum lines or any type of vacuum control to the cruise .
Customer (name blocked for privacy)
Answer
October 30 6:25 PM (14 hours and 53 minutes and 15 seconds later)
         
ACCEPTEDCheck Mark
ok
Picture
stin1974 -- Auto Service Technician -- 100% Positive Feedback on 103 Car Accepts
Domestic transmission diagnostics and troubleshooting. General repair diagnostics and troubleshoot.
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