Car won't go over 35
If you have a vehicle that won't go over 35 mph,
check the air pressure in the tires, for example if
you have 20 psi in the rear tires and 50 in the front,
the difference in tire pressure will effectively give
you two different tire sizes front to rear. The
problem is that the speed sensors are reading two
different mph from front and rear tires and causes
the computer to go into limp mode. The Solution is
to check the air pressure in the tires and make sure
that all 4 tires have the same psi. Sometimes it's
just that simple
Uhh, you shouldn't be driving around with only 20 psi in the tires. They are likely to overheat in this hot weather and that will damage the tires.
That just don't sound right, even if that was happening once the system detected the speed sensor error it would disable the anti- lock and the trac-lock, so it would not governor the engine's rpm and hold it at 35 mph. True some problems are simple like an easily accessed ground wire or an unplugged sensor. With the TPMS in todays cars the driver will be alerted to the tire pressure problem before they even moved the vehicle.
2001 Lincoln does not have TPMS.
Odd my neighbor's Lincoln TC has TPMS.
It has nothing to do with the TPMS. THE PROBLEM IS THAT THE SPEED SENSORS ARE READING TWO DIFFERENT MPH FROM FRONT AND REAR TIRES AND CAUSES THE COMPUTER TO GO INTO LIMP MODE, AS A RESULT THE COMPUTER LIMITS THE SPEED OF 35 SO YOU CAN SAFELY GET THE VEHICLE OFF THE ROAD ACCORDING TO THE FORD DEALERSHIP . Nothing to do with the Tire Pressure Monitoring System
It has nothing to do with the TPMS. THE PROBLEM IS THAT THE SPEED SENSORS ARE READING TWO DIFFERENT MPH FROM FRONT AND REAR TIRES AND CAUSES THE COMPUTER TO THINK THAT THERE'S A SERIOUS PROBLEM SO IT GOES INTO LIMP MODE BE AS A RESULT THE COMPUTER LIMITS THE SPEED OF 35 SO YOU CAN SAFELY GET THE VEHICLE OFF THE ROAD ACCORDING TO THE FORD DEALERSHIP . Nothing to do with the Tire Pressure Monitoring System
I have never heard or seen of such a thing happening, usually the system just goes back to factory setting and turns on the warning lights, never heard of it connecting with engine management and forcing limp in mode in a vehicle of that age, I have seen it in newer vehicles of 2005 and above, but not an 01. Has the engine management system been refitted to a newer system?
@tennisshoes, TPMS on Lincolns 2006 and newer.
Bob, why do you keep asking about the TPMS. THE 2001 doesn't have any TPMS. Let's think about this for a second. If have 2 tires the same size and one of those only has 20 psi and the other has 50 psi. The tire with 50 psi is going to be bigger than the one with 20 psi ,. It's that difference in tire sizes that confuses the computer info received from the SPEED SENSORS, which are located at all 4 wheels. Why is this so difficult to understand
Jason, my comment was for tennisshoes. He thinks 2001 Lincoln Town Cars have TPMS and they don't. It likely could have been a traction control issue, but I am not sure that traction control was available on a 2001 Lincoln. Also pretty sure 2001 Lincoln did not have a limp mode either. I have a 2004 Mercury Marauder that is essentially the same chassis as your Lincoln (Panther Platform) so I am very familiar with the vehicles.
Bob I rechecked my neighbors 01 Lincoln TC and it does have TPMS but it is not a factory unit. I didn't think to ask him if it was stock, he just said that it had it.
clogged cat converters or faulty fuel pump which happened to me in 2015. that fixed my 35 mph max problem
Hello I have a 2001 Lincoln. Every time I get a tire changed the car goes into traction control and won't go over 30
Carolyn, you must make sure all the tires match, same manufacture and that they are all within 2/32 of each other in tread depth, otherwise it throws off the wheel speed sensors and you get a failure light.
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