Question about Jeep Liberty

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Okay where my little data screen shows the temp, etc. said check tmp system. What does that mean?

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If your reffering to the vehicles screen then i would first check the coolant level. It might just be low and it is letting you know. If that is not the case then check what the vehicles temp is running at when your driving. It may be telling you the vehicle is over heating.

Posted on Apr 06, 2011

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Says check Tmp system and engine light came on. What does code mean?


you have left out some very vital information
what codes is as there are over 3000 codes
what make , model, year of vehicle is it
the message could simply mean that you have to check the coolant level in the radiator
post your question again with all the details as the posts are not linked

Feb 28, 2016 | Cars & Trucks

1 Answer

I have a Jeep Cherokee. It displayed that I need to check the TMP system. What does this mean.


Was the message not "check TPM system? That is the tire pressure monitoring system. Is one tire pressure indication blank? Most probably a tire ptessure srnsor failure, the battery is most probably depleted.

Oct 02, 2013 | 2000 Jeep Grand Cherokee

1 Answer

My car don't start. Engine temp data error comes on on the dashboard


So why do you disconnect the battery? All that does is clear the computer information that is NEEDED to diagnose and repair the problem.
What you need to do is to check the circuits to your engine coolant temperature sensor or the cooling system problem. Continuing to do it the way you have described will cause some pretty HIGH DOLLAR parts to be completely destroyed,

May 12, 2012 | 1995 Lincoln Continental

1 Answer

What does code t0440 mean on a 2003 malibu


Do you mean "P0440"?

Diagnostic Test Code (DTC) P0440 has a generic description of "Evaporative Emissions System Large Leak".

The MOST COMMON cause of this code is refueling the vehicle with the engine running or not getting the fuel cap on correctly after refueling.

The Powertrain Control Module (PCM) checks for leaks in the Evaporative Emissions (EVAP) system using the data provided by the Fuel Tank Pressure (FTP) sensor. It will check the FTP sensor data, then close the EVAP Vent Valve and open the Canister Purge Valve to apply vacuum to the EVAP system. After a period of time, the PCM will again check the FTP data to see if the fuel tank pressure has dropped within a specified amount. If there is very little or no change in the FTP data, DTC P0440 sets.

Other possible causes for this code are:

> Defective FTP sensor (VERY RARE)
> EVAP Vent valve stuck open
> Canister Purge Valve stuck closed
> Large leaks or cracks in any of the EVAP system hoses and/or lines and/or components, including the fuel tank and the fuel filler neck and the EVAP canister

Please note that this code indicates a MECHANICAL failure of the system. This is NOT a circuit fault that would involve broken/shorted wires, blown fuses, etc..

Nov 12, 2011 | 2003 Chevrolet Malibu

1 Answer

I have a 2007 A6 with 4 yokohama tires, recvntly my dashboard computer is showing a low tire pressure warning, so I checked all tires and inflated them to the reccomended pressure on the door 35 front 39...


It's a Tyres Monitoring Pressure (TMP) system ECU (Electronic Control Unit) temporary faulty. Run for few miles above 30 mph, and all the temporary faults of Tyres Monitoring Pressure (TMP) system ECU will dissappear themselves. Also you can access & erase the TMP system ECU for all Diagnostic Trouble Codes (DTC) memored, if you will connect a VW / Audi diagnostic equipment to the data link connector of the car.

Oct 28, 2010 | 2004 Audi A6

2 Answers

P1493 code


If you are running any extra systems, ie amps, subs, high watt speakers, etc. etc. you may need to get a better batter, like the blue. or yellow top one. check with auto zone.

Mar 11, 2010 | 2001 Dodge Ram 2500 Truck

1 Answer

98Honda CRV -Although there are no visible signs of overheating, the needle goes from medium-almost High - yet radiator etc appears okay. Could the temp gauge be faulty? Or are there some diagnostics we...


First i would check to make sure cooling fan is coming on if not check fuses.if good then check to see if its getting power and a good ground to fan. if it is the fan motor is bad. if not you my have a radiator coolant temp sensor not working right (not sending power to fan) but that sensor has to get power from The cooling fan relay... If the fan comes on. You need to have the cooling system pressure checked for leaks any air in system will cause the gauge not read right .It reads coolant not air if that ok there is another temp sensor just for the gauge it my be faultly it that ok a bad ground or faulty gauge. And make sure thermostat is good hope this helps

Nov 13, 2009 | 2001 Suzuki Grand Vitara

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