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The 2004 nissan titan is drive by wire, meaning there is no cable to control the gas pedal to throttle. This system is computer controlled with a motor at throttle body and pedal sensors.
the TPS throttle position sensor is located inside the throttlebody . on most of these the complete throttle body must be replaced as there is no sperate tps sensor it is complete, i would check and make sure this is the problem . GM started making TPS replacement sensors for there throttle bodies.
2000 Volvo S 70 with code po220, this code is for the TPS1. you will need to have the throttle position sensor (TPS) tested , a scan tool will be very helpful with this, i would have a shop look at it and test it,
You may need to have it replaced or adjusted if adjusting can be done, sometimes the tps is non-adjustable , the wiring will also need to be checked and tested, good day.
A THROTTLE POSITION SENSOR(TPS) is usually located on the butterfly spindle so that it can directly monitor the position of the throttle valve butterfly. Throttle actuator control(TAC), that code comes from that part of the system too.
The Throttle Position Sensor, or TPS is connected to the throttle shaft on the throttle body.
Fig. 2: Disengage the Throttle Position Sensor (TPS) wiring harness connector According with the Grand Cherokee Repair Manual, check this removal & installation procedure... (see Figures 5 and 6)
Remove the air intake tube at the throttle body.
Disengage the TPS wiring connector and remove the two mounting screws.
Carefully remove the TPS from the throttle body.
The throttle shaft end has a tang that can be fitted into the TPS
two different ways. Only one of the installed positions is correct. When
correctly positioned, the TPS can be rotated a few degrees. To
determine correct positioning, place the TPS onto the throttle body with
the throttle shaft tang on one side of the TPS socket. Verify that the
TPS can be rotated. If the TPS cannot be rotated, place the TPS on the
throttle body with the throttle shaft tang on the other side.
Tighten the two TPS mounting bolts to 60 inch lbs. (7 Nm) and engage the wiring connector.
Manually operate the throttle and check for any binding.
Install the air intake tube.
Fig. 5: Remove the throttle position sensor retainers...
Fig. 6: ...then, remove the throttle position sensor
Additionally, its possible that you are interesting in some section about this repair manual: Jeep Grand Cherokee 1993-1998 (ZJ Series).
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The Throttle Position sensor (TPS) is a potentiometer that provides a
voltage signal to the PCM that is directly proportional to the throttle
plate position. The sensor is mounted on the side of the throttle body
and is connected to the throttle plate shaft. The TPS monitors throttle
plate movement and position, and transmits an appropriate electrical
signal to the PCM. These signals are used by the PCM to adjust the
air/fuel mixture, spark timing and EGR operation according to engine
load at idle, part throttle, or full throttle. The TPS is not
that can happen for several reasons the least being the ecm. first thing is it could be a weak fuel pumpand the only way to check this is with a fuel pressure gauge. it should be between 17 and 25 psi. next it could be the TPS(throttle position sensor) this controls your idle. this is located on the throttle body has a weatherproof plug and is held with (2) screws . next is the engine speed sensor this helps the ecm adjust the fuel/air mixture in conjunction with the TPS,IAC valve,O2 sensor<and the egr valve. to pinpoint the sensor problem you have to have a diagnostic scan done. please rate this.......thanks