Both processors monitor each other's data to verify that the indicated throttle position is correct. 2006 Chevy Cobalt - 3,400 image 1 of 11 QR Code Link to This Post. Both processors are located within the ECM. If the injectors do not show improved flow, they will be replaced. The dealer will perform a fuel injector balance test and do a cleaning procedure. Two processors are also used to monitor the TAC system data. A common cause for this is the fuel injectors are slightly restricted. 0:00 / 1:53 2005 Chevy Cobalt MAP Sensor Replacement and Location victorypromotion 1.92K subscribers Subscribe 292 155K views 9 years ago I made this because I couldn't find any videos on how to. the IAC valve i usually locate don the throttle body and can be removed for inspection and sometimes cleaning using a good throttle. Its been my experience that the wiring connector or 'pig tail' on the throttle body gives problems in the form of a poor connection.The female terminals on the pigtail corrode or pull out of the connector. No brake lights, reverse light, or turning signal. Do i need to replace them and where are they on my car. The TAC system uses the following circuits for Motor control 1 and Motor control 2. SOURCE: my 2006 chevy cobalt 2.2 liter sputters Fault with the IAC valve.there maybe a trouble code associated with it also./ Go to your nearby autozone or auto parts retailer and ask them to put a scanner to the car.make note of the codes if any are found. Open Questions: 0 answers how to replace spring on Clutch pedal on 2008 Cobalt G5 Be the first to answer 2008 Chevrolet Cobalt 0 answers I have a 2008 chevy cobalt lt. Question: 2007 chevy cobalt 2.2L Ecotch 4 cylnder, Engine code engine poor reduced performance code P2176. The ECM achieves throttle positioning by providing a pulse width modulated voltage to the TAC motor. The ECM determines the drivers intent and then calculates the appropriate throttle response. The Engine Control Module (ECM) is the control center for the Throttle Actuator Control (TAC) system. The system is not in the battery save mode. The ignition voltage is greater than 6.5 volts. Throttle plate sticking due to carbon build-up DTC P1516 Throttle Actuator Control (TAC) Module Throttle Actuator Position Performance. Throttle Actuator Control (TAC) module circuit poor electrical connection Throttle Actuator Control (TAC) module harness is open or shorted The P2176 code is set when the difference between the predicted and the actual throttle position is more than a calibrated amount for more than 1.5 seconds.įaulty Throttle Actuator Control (TAC) module
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