при прогреве троит, Гранд 4.7 2000г.в. Опции

[спикер]

Всем привет! Такая проблема: при заводке машина заводиться легко и без троения ,поработает сек. 30 и начинает троить,при этом гуляют обороты, происходит это тоже сек.30-40, потом последний скачек оборотов и все прекрасно. Ошибок нет .Что может быть? Папелац канадский. Когда троит, вонь в гараже неописуемая ,причем не бензином.

Сообщение отредактировал спикер - 27.1.2010, 17:39

[Felix]

вот пишут:

Throttle Position Sensor: Description and Operation

THROTTLE POSITION SENSOR (TPS) - PCM INPUT
The 3-wire Throttle Position Sensor (TPS) is mounted on the throttle body and is connected to the throttle blade.
The TPS is a 3-wire variable resistor that provides the Powertrain Control Module (PCM) with an input signal (voltage) that represents the
throttle blade position of the throttle body. The sensor is connected to the throttle blade shaft. As the position of the throttle blade changes, the
resistance (output voltage) of the TPS changes.
The PCM supplies approximately 5 volts to the TPS. The TPS output voltage (input signal to the PCM) represents the throttle blade position.
The PCM receives an input signal voltage from the TPS. This will vary in an approximate range of from 0.26 volts at minimum throttle
opening (idle), to 4.49 volts at wide open throttle. Along with inputs from other sensors, the PCM uses the TPS input to determine current
engine operating conditions. In response to engine operating conditions, the PCM will adjust fuel injector pulse width and ignition timing.
The PCM needs to identify the actions and position of the throttle blade at all times. This information is needed to assist in performing the
following calculations:
- Ignition timing advance
- Fuel injection pulse-width
- Idle (learned value or minimum TPS)
- Off-idle (0.06 volt)
- Wide Open Throttle (WOT) open loop (2.608 volts above learned idle voltage)
- Deceleration fuel lean out
- Fuel cutoff during cranking at WOT (2.608 volts above learned idle voltage)
- A/C WOT cutoff (certain automatic transmissions only)

датчик и не должен 0% выдавать - иначе он труп