Mack Granite Bad Throttle Position Sensor

When performing electrical tests wiggle wires and connectors to find intermittent problems.

Mack granite bad throttle position sensor.

Something you will never see with a digital meter. 3 voltage high 4 voltage low open 14 invalid parameter identification pid. The sensor monitors several different engine and transmission functions and sends the information to the on board computer. In most of the cases all of these symptoms will show together making it easier to detect the faulty component.

Sometimes a certain spot burns out on the sensor put only a specific spot its a potentiometer so it isnt necessarily good or bad it can have bad spots burns out so when your throttle hits that section your fuel may hiccup for a second while you race past it or just change throttle position. 13100 17700 c7 c10 c12 c13 c15 3406e throttle sensor 2661466 26995 add to cart detroit diesel series 60 engine turbo temperature sensor 23527813 5495 add to cart mack speed sensor 20706327 3795 add to. It will go open and then come right back. There are more than a dozen self diagnostic trouble codes for a bad tps sensor running from p0120 to p0229.

It is triggered by the turning of the transmission shaft sending a signal which increases. It still runs the same so i guess i ll just replace both of them. Top 6 bad throttle position sensor symptoms. The only way to spot if it s bad is as you are pressing the pedal down with the ohmmeter hooked up you will see the dead spot as a quick jump in the needle.

Any of these will tell you that there s a problem there. Mack granite speed sensors. Most scanners have a feature to monitor engine vitals and throttle position in real time with the engine running but this feature isn t generally much help in diagnosing a tps. A vehicle speed sensor is a permanent magnet generator attached to the transmission under the vehicle.

Failure mode identifier fmi. Mack granite speed sensors shop by price 000 8400. 3 4 1 speed sensor vss 4 2 cooling fan 4 3 auxiliary products number 1 4 4 auxiliary products number 2 4 5 aset iegr wastegate position 4 5 aset cegr vtg position sensor 4 6 tachometer 4 7 speedometer 4 8 customer defined statement 4 9 aset cegr egr valve mechanism 5 1 throttle position sensor. I was going to remove and replace both of them.

The engine in your 2007 mack granite cv713 requires three basic things to run. You can also use it for testing for bad wiring harnesses and connectors. A faulty throttle position sensor sends incorrect information to the ecm resulting in various issues in the engine its performance and fuel economy. 3 10 aset cegr engine brake position no.

One in front and the other on the rear. Whether gas is delivered via carburetor throttle body or fuel injector the proper fuel mixture is critical to a smooth running engine. Fuel air and fire. The throttle position tp sensor is a potentiometer that is mechanically linked to the.

When i called mack they told me that there is two engine position sensors on this engine. I removed the sensor on the front timing cover cleaned it and replaced it. From mack electronic info system.