Montero 4M40 Turbo TPS Problem

Hello, I have a Mitsubishi Montero 4m40 Turbo Automatic Diesel of 95 I damage the tps sensor I got another but the montero does not walk the same is slow in the outputs and makes the short changes adjusts the Kick Down cable and remains the same, I do not know what the adjustment of the sensor or the cable is, if someone can help me I write to you from Panam

Hello Edmundo, in the 4M40T of those years the regulation of the Kick Down cable is simple you leave a little free game at rest. On the TPS, on the axis of the imjection pump is what is causing the rare pattern of change observed. The voltage of the TPS with the lifted foot (idle or minimum) must be 0.85 volt, (+/ - 0.2 v). The TPS signal goes to the control module of the Transmision (TCM) and you can regulate it by releasing the 2 pernitos that hold the TPS to the pump, turning it slightly. The ideal you use an electrical tester to measure the voltage and be able to regulate it. In the TPS connector you are going to see 3 cables, with the disconnected plug and the on the on on measure voltage by the 3 pins. 1 It should mark you 5 V (reference), another zero V (mass) the third must mark a slightly lower voltage than the 5 V reference (approx 4.7) and this is to be the signal, which is the important one to measure to regulate the TPS. I recommend regulating it with the engine walking, the vibrations affect the TPS if it is loose. I have enough experience in 4m40s in Monteros and Delicas and with 0.85 V in idle in the TPS, those vico ones fly ... greetings from Chile.

Mr. Fiat Good evening, I have a Mitsubishi Montero 2006 Diesel Motor 4M40, and it has cost me a world to calibrate the TPS, the original TPS when I leave it at 0.85 V, the next day it marks a different value with all the problems that it carries, now, in achieved another used TPS, which in the signal cable marks a maximum of 3.47 v in which voltage I have to leave this one.

If you suspect that the TPS is causing problems in your montero, I would recommend you first verify if there is any error code in the vehicle's computer using an OBD scanner. If the TPS is failing, it is important to replace it as soon as possible to avoid more serious problems in the engine.

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The KickDown cable, also known as accelerator cable or TV cable (Throttle Valve), controls the pressure of the transmission line in response to the accelerator movement. Adjusting this cable can affect the transmission response. It is important to adjust it correctly to avoid sudden changes and for the transmission to select the march changes properly.




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