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After changing my throttle actuator i still have 0BD machine detecting it,the car runs with no power ,it jerks with strange noise at the exhaust

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2014 jeep compass codes po171 and po2173read I changed Oxygen sensor but limp in mode I then changed throtle pedle but limp mode returned how can i fix this ?


code p 0171 refers to system too lean bank 1== causes --intake /exhaust leak---AIR system---MAF/VAF sensor ---fuel pressure/pump--- injectors--- Heated oxygen sensor
by changing the O sensor (oxygen sensor ) you changed the wrong one and so there would be no change to the read out there
code p 2173 refers to throttle actuator control (TAC) system -high air flow detected ===causes --intake system---throttle body
fix the causes and you stand a chance of fixing the problem

Oct 23, 2016 | Jeep Cars & Trucks

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03 kawasaki vn800. Shifts fine, but while IN second as I throttle up it jerks. More throttle,more frequent jerking. Only happens in second. No loss of power, nothing in other gears. Need it fixed!


Hi Adam:
Interesting.
If you eliminate engine issues then it becomes transmission.
I would start by changing the spark plugs and draining/flushing the fuel system. Run some carb/injector cleaner additive.
If there is ANY mechanical noise associated with the problem then you may have an issue with gear engagement dogs in the transmission.
Hope this helps.
Cheers

Feb 09, 2016 | Cars & Trucks

1 Answer

My 2006 Buick lacrosse reduce power light came on today--what does that mean


Reduced Engine Power
Refer to Throttle Actuator Control (TAC) System Description in Engine Controls - 3.6L or Throttle Actuator Control (TAC) System Description in Engine Controls - 3.8L
TAC System Default Actions/Reduce Power Modes
There are 2 reduce power modes that the engine control module (ECM) can default to if an error is detected in the throttle actuator control (TAC) system. If an accelerator pedal position (APP) sensor 1 or APP sensor 2 circuit fault, throttle position (TP) sensor 2 circuit fault, or if a TP sensor 1 circuit fault is detected with some APP angle, the ECM goes into one of the 2 reduce power modes. In this mode, the engine torque is limited so that the vehicle cannot reach speeds of more than 100 km/h (60 mph). The ECM remains in this reduce power mode during the entire ignition cycle even if the fault is corrected.
If there is a condition with the throttle actuator control circuits, throttle actuator command vs actual position fault, return spring check fault, or a TP sensor 1 circuit fault, the ECM goes into the other reduce engine power mode. In this mode, the engine speed is limited to 2,500 RPM and the 3-6 fuel injectors are randomly turned OFF. At this time the Reduced Power indicator is commanded ON. The ECM remains in the reduce power mode during the entire ignition cycle even if the fault is corrected. Observe, if a TP sensor 1 or throttle actuator control circuit fault is present at the time the vehicle is at idle, with no accelerator pedal angle, the engine may stall.

Jun 21, 2015 | Cars & Trucks

2 Answers

How do I solve for My Hyundai sonata model 2009 code P2110 , P2118 in scaning. I changed throttle body and TP sensor. after change of these even I am getting problem in accelerator not increases above


P2110...Faulty Throttle Actuator Control Module
- Throttle Actuator Control Module harness is open or shorted
- Throttle Actuator Control Module circuit poor electrical connection

P2118 - Electronic Throttle Control(ETC) system is made of the components throttle body, Throttle Position Sensor(TPS)1&2 and Accelerator Position Sensor(APS) 1&2. The throttle body contains the actuator, the throttle plate and the throttle position sensor (potentiometer), which are integrated in one housing. The actuator consists of a DC motor with a two-stage gear. The opening angle of the throttle valve is detected by the throttle position sensor which is mounted on the throttle body. And it provides feedback to the ECM to control the throttle motor in order to control the throttle valve opening angle properly in response to the driving condition.

Jan 06, 2015 | 2009 Hyundai Sonata

2 Answers

What could be the problem my car lacks of power


What make and model of vehicle ?How many miles on it ? When does it lack power, all driving conditions or just under a load, such as going up a hill under heavy throttle ? A couple of thing's right off that it could be is a plugged catalytic converter , plugged fuel filter or a weak fuel pump. Are there any lights lite on the dash , check engine light etc.. Have you experienced any strange noises or happenings ,like engine back firing. How does the engine run ,smooth ,ruff ? Have you had spark plugs changed and wires if it has them ?

Dec 19, 2014 | Cars & Trucks

2 Answers

Why is codes p2106 p0401 on?


P2106 THROTTLE ACTUATOR CONTROL SYSTEM,-PO401-EGR INSUFFICIENT FLOW

May 29, 2014 | 2005 Ford Explorer

1 Answer

Check engine light code p0014 p0013


hi got 2012 mercedez benz c250 i change the camshaft actuators intake and exhaust. first thing i change becouse make a lot noise when'd is cool now i put the actuators the noise is gone for two days now i got the code poo14 now is jerking and shaking ???

Nov 20, 2013 | 2007 Mercedes-Benz ML350

1 Answer

Reading codes


Check the wiring to the throttle body, check the supply voltages as well. Check fuses too, it sounds like it received a voltage spike and then lost voltage and is now forcing limited rpm.

May 14, 2013 | 2005 Ford Expedition

1 Answer

1999 subaru hesitation


i have similar problem with my 1999 b4 twin turbo auto. it happened after changing the knock sensor. other than this jerking the car gains power after and runs very well. but the jerking is annoying. No warning signs in my car dash though it burns well3f396f6a-4d54-4351-9bfa-47d0ca43b218.jpg

Apr 21, 2013 | Cars & Trucks

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