Question about 2003 GMC Sierra

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How do i turn up the throttle - 2003 GMC Sierra

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  • billie ramos
    billie ramos May 11, 2010

    what do you mean by that? do you mean like adjust the throttle cable...? i dont think you can...... "get more answers...." but this is what i would say....."if you want better throttle responce you should get a Kn'N air element "you know the performance one" but they go for bout $180.

  • yadayada
    yadayada May 11, 2010

    what do u mean by turn up the throttle? are you refering to idle speed?

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There is no way to raise the RPM on your vehicle. The RPM is computer controlled, if the idle is too low there is a problem that will need to be repaired. ie a bad relay or sensor.

Posted on Sep 30, 2009

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Posted on Jan 02, 2017

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We have clean the throttle body on a 2008 nissan qashqai and the rpm are going from 1500 to 2000 and coming back without touching any pedal.we took the throttle switch and the rpm went back to normal.


need to perform closed throttle position relearn and IAVL relearn. unfortunately IAVL gets done with nissans consult scanner, so you have to get a scanner that will do it, or go to a dealerand get it done, but closed throttle position relearn you can do at home by turning the ignition key on for 10 seconds and turning it off for 2 seconds 4 times in a row. you need to perform both operations fot the car to run right / back to normal. when you cleaned the throttle chamber, you changed the closed throttle position because the chamber is clean now and the throttle plate has moved some.

Aug 10, 2016 | Nissan Cars & Trucks

2 Answers

Starts and idles, no accelerator response.


Your Denali has Throttle Actuator Control (TAC) System - Electronic throttle control ! Are there any messages on the driver information center ? Reduced engine power ?
Reduced Engine Power Mode When the PCM detects a condition with the TAC system the PCM may enter a reduced engine power mode. Reduced engine power may cause one or more of the following conditions:
?€¢
Acceleration limiting--The control module will continue to use the accelerator pedal for throttle control; however, the vehicle acceleration is limited.


?€¢
Limited throttle mode--The control module will continue to use the accelerator pedal for throttle control; however, the maximum throttle opening is limited.


?€¢
Throttle default mode--The control module will turn off the throttle actuator motor and the throttle will return to the spring loaded default position.


?€¢
Forced idle mode--The control module will perform the following actions:


-
Limit engine speed to idle by positioning throttle position, or by controlling fuel and spark if throttle is turned off.


-
Ignore accelerator pedal input.


?€¢
Engine shutdown mode--The control module will disable fuel and de-energize the throttle actuator.


You need to have it checked for DTC'S - diagnostic trouble codes , probably a accelerator pedal position (APP) sensor or TPS - throttle position sensor !

Jun 01, 2015 | 2003 GMC Yukon Denali

1 Answer

2003 Chevy Trailblazer engine power lose light come on


Hi Steve , your vehicle has electronic throttle control . I don't know if you are aware of this. The gas pedal have position sensors an a wiring connector with 4-6 wires .these wires are connected to the engine computer . an there is a electric motor on the throttle body assembly , the computer opens an closes the throttle . You probably have codes stored in the engine computer .
Reduced Engine Power Mode When the PCM detects a condition with the TAC system the PCM may enter a reduced engine power mode. Reduced engine power may cause one or more of the following conditions:
?€¢
Acceleration limiting--The control module will continue to use the accelerator pedal for throttle control; however, the vehicle acceleration is limited.

?€¢
Limited throttle mode--The control module will continue to use the accelerator pedal for throttle control; however, the maximum throttle opening is limited.

?€¢
Throttle default mode--The control module will turn off the throttle actuator motor and the throttle will return to the spring loaded default position.

?€¢
Forced idle mode--The control module will perform the following actions:

-
Limit engine speed to idle by positioning throttle position, or by controlling fuel and spark if throttle is turned off.

-
Ignore accelerator pedal input.

?€¢
Engine shutdown mode--The control module will disable fuel and de-energize the throttle actuator.

Drive by Wire Function and diagnostics by Wells

May 04, 2015 | 2003 Chevrolet Chevrolet TrailBlazer

4 Answers

I have an 06 cobalt and recently my car started to suddenly lose power while driving. It says reduce engine power when this happens. If I turn the car off for a minute it'll go away.


This has nothing to do with the Catalytic converter ! Plugged catalytic converters don't go away after shutting off the vehicle !
This reduced engine power has to do with the
Throttle Actuator Control (TAC) System
Reduced Engine Power Mode When the ECM detects a condition with the TAC system, the ECM may enter a reduced engine power mode. Reduced engine power may cause one or more of the following conditions:
?€¢
Acceleration limiting--The ECM will continue to use the accelerator pedal for throttle control; however, the vehicle acceleration is limited.


?€¢
Limited throttle mode--The ECM will continue to use the accelerator pedal for throttle control; however, the maximum throttle opening is limited.


?€¢
Throttle default mode--The ECM will turn off the throttle actuator motor and the throttle will return to the spring loaded default position.


?€¢
Forced idle mode--The ECM will perform the following actions:


-
Limit engine speed to idle by positioning the throttle position, or by controlling the fuel and spark if the throttle is turned off.


-
Ignore the accelerator pedal input.


?€¢
Engine shutdown mode--The ECM will disable fuel and de-energize the throttle actuator.

Mar 29, 2015 | 2006 Chevrolet Cobalt

1 Answer

How do you install a throttle position sensor on a 1995 k1500? I have a new one, but it don't just fit right on unless I turn it sideways. So do I turn it counter clockwise or clockwise?


Most go on one way. The TPS won't turn the opposing way much. And yes, you have to put in on at an angle and turn some to align the bolt holes. I have ran into some the are clocked backwards. And they would mount. What you need to do is put it on, thread one bolt in it. turn the throttle by hand. If it turns to full open throttle. Install it, both bolts and tighten it down. There is no adjustments. If the throttle wont open, you have the wrong TPS.

Feb 26, 2015 | Cars & Trucks

1 Answer

What does a throttle positioning censor for an 05 ford focus look like


I suggest you google 05 ford focus throttle positioning sensor. This sensor keeps you air intake throttle at the proper position when the engine is cold and changes position when the engine has warmed up. to locate the sensor, remove the hose that comes from the air filter housing to the engine. the hose you removed was connected to the air throttle. you can manipulate the position of this throttle by having someone push the gas pedal down slowly while you watch the throttle move. notice that the gas pedal cable is connected to the mechanism that opens and closes the air throttloe. also notice that beside this mechanism, you have an electric throttle positioning sensor. Pay close attention to the existing throttle positioning sensor before you remove it if you are planning on replacing this sensor. because if you do not install the new sensor in the same degree that the old one was in, you will throw the calibration off. word of advice. buy some throttle cleaner from your local auto parts. turn the car on with the air filter to throttle body hose off and have someone push the gas pedal down slightly to keep the engine from turning off. spray the throttle body cleaner til all the black crud comes off the inside of the throttle body. this dirty crud is what was making your throttle stick and not working properly.

May 01, 2014 | 2005 Ford Focus

1 Answer

No throttle response


What you replaced is the APP(accelerator pedal position) It is part of the electronic throttle control,what was truly needed is know as the TAC MOTOR. This recieves signal from the APP.The TAC is what accelerate the car.The only thing you can do other than replace the TAC,is do a TAC relearn .Turn thhe key off. wait ten seconds,Turn key on with the engine off.leave 1 minute. Turn key off start the vehicle you will hear the TAC motor setting itself.

Mar 08, 2012 | Saturn Cars & Trucks

2 Answers

My 2002 denali idle's poorly when the air is turned on.


when you turn on your a/c the engine should idle higher if not solinoid not working or wire broken,or vacume hose leaking it will be near the throtel ontop of engine

Aug 14, 2011 | 2002 GMC Yukon Denali

1 Answer

Nissan altima 2000 with engine service light on. fault codes per mechanic p0325 and p1126. But he said mass air flow sensor malfunction. is this right?


p0325 is, ignition system or misfire, could be plugs, wires, or a bad coil. p1126 throttle control motor relay curcuit open.P1126 Power supply for the throttle control motor is provided to the ECM via throttle control motor relay. The throttle control motor relay is ON/OFF controlled by the ECM. When the ignition switch is turned ON, the ECM sends an ON signal to throttle control motor relay and battery voltage is provided to the ECM. When the ignition switch is turned OFF, the ECM sends an OFF signal to throttle control motor relay and battery voltage is not provided to the ECM. possible cause, Harness or connectors (Throttle control motor relay circuit is open Throttle control motor relay.

May 07, 2010 | 2000 Nissan Altima

1 Answer

Looking to find the correct specs to adjust a TPS for a 1994 Mazda 929. Using a multi-purpose voltmeter.


YOU NEED 2 VOLT METERS.FIRST OF ALL START ENGINE.LET IT GET OPERATING TEMPERATURE THEN TURN OFF ENGINE.THEN YOU CONNECT TWO VOLT METERS TO THE TEST CONNECTOR.TURN IGNITION ON AND CHECK THAT CURRENT FLOWS TO ONLY ONE VOLT METER.IF BOTH VOLT METERS SHOW CURRENT FLOW REMOVE THE CAP AND TURN THE ADJUSTING SCREW COUNTERCLOCKWISE UNTIL ONE VOLT METER SHOWS CURRENT.IF NO CURRENT IS REGISTERED BY EITHER VOLTMETER TURN THE ADJUSTING SCREW CLOCK WISE UNTIL ONLY ONE VOLT METER SHOWS CURRENT.INSTALL THE CAP ON THE ADJUSTING SCREW AND DISCONNECT THE THROTTLE SENSOR CONNECTOR.CONNECT AN OHM METER TO THE THROTTLE SENSOR TERMINALS.OPEN THE THROTTLE VALVE AND CHECK THE RESISTANCE READING FROM THE THROTTLE SENSOR.AT IDLE THE THROTTLE SENSOR SHOULD SHOW ABOUT ONE KILO OHM RESISTANCE.AT WIDE OPEN THROTTLE THE SENSOR SHOULD SHOW ABOUT 5 KILO OHMS RESISTANCE.ANY RESULTS OTHER THAN THESE.REPLACE THE THROTTLE SENSOR AND RETEST.

Aug 26, 2009 | 1994 Mazda 929

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