Question about 1998 Lincoln Town Car
I had replaced the transmission and the manifold intake, I also had the ignition coil as well as the spark plugs. The mechanic had got the check engine light to stop from coming off, the car still will not go over 30-35, it will take off and get up to like 50 but then it will drop down to the 30-35's, I could be hitting the gas pedal to the floor and it still will not go anywhere. Can anyone tell me what seems to be the problem?? Thank you
CATALYTIC CONVERTER IS PROBABLY STOPPED UP. CHECK TO SEE IF YOU HAVE 20 INCHES OF VACUUM WITH THE CAR RUNNING
Posted on Nov 16, 2013
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Posted on Jan 02, 2017
Remove the spark plug wires, remove the spark plugs,replace them. Do this one cylinder at a time if you never did it. On that year you may need to remove the upper intake to access the plugs on one side. In that case go to a shop. This would not be a novice job.
Posted on Jun 28, 2009
you have to get a reading of the on board diagnostic system, Autozone read it for free . then they will print a code for you that will show which part is causing the problem (oxygen sensor or the catalytic converter )
Posted on Nov 06, 2008
Sounds like you have a Bad ground to the Engine Block,
Add a second Ground to the Engine Block, Every time you hit the Gas the Engine lifts up and you lose ground..
Posted on Feb 04, 2009
I will make an assumption here, we know what the root word means. This code was extracted from the computer by? What this is telling you one of 2 things: The Bank 2 oxygen sensor down stream of the catalytic converter (there are 2 converters, one for each bank of cylinders on the 4.6ltr engine) is bad and/or that the Bank 2 catalytic converter is no longer doing the job it was designed to do. Simply, Catalysts wear out. They are good for approx 100,000 miles (as required by Federal Law). Again, I assume that the reason the intake manifold was replaced was because it had a crack in one, or more, of the runners? (part that feeds the head of a manifold). It may have taken a while to find this as being the cause of why the car running incorrectly, maybe rough. This means, that during the time the car was being driven with the problem, the amount of unburned, or not within spec exhaust gases, coming off the side of the engine affected by the intake issue was higher than normal. This out of balance level of exhaust gases were being dumped into the converter on that side of the engine, thus causing the converter to have to run hotter, work harder, or even at the time the gas was being processed through, causing deposits to be formed in the converter, thus shortening it's life span. The Bank 1 side of the engine, apparently, did not have the issue and it's catalytic converter's life was not affected. I hope this makes sense to you.
Posted on Aug 19, 2009
The oil around the plug may be a sign that the valve-cover needs a new gasket. Oil on the plugs can cause a misfire but it is important that you check everything over. The misfire could be due to defective wires, boots, coils, spark-plug/s, injector/s, and so much more. Take a look at the cars maintenance history, Maybe it is over due for a complete tune-up or oil change. The car is 11years old, how many miles are on it? How was it running before this?
Posted on Apr 29, 2010
Tips for a great answer:
The spark plugs in the v6 can become an involved job as the upper intake manifold. The LS uses a Coil on Plug (COP) ignition system, meaning that the spark plugs are located under the ignition coil
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