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2.6 liter 4 by4 mahindra 2008 My car has slowly developed vibrations in Engine, when position of intake sensor(sensing position gas pedal) is changed,happy owner of scorpio in sweden.

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  • Mahindra Master
  • 1,986 Answers

Check your engine and transmission mounts. Increasing or decreasing power demands on the engine causes it to 'torque', or rotate to front or rear. If the rubber in the mounts is broken or badly worn, it will allow parts of the engine to come into contact with the frame or body causing noise or vibration.

Posted on Aug 09, 2017

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6ya6ya
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Posted on Jan 02, 2017

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Shouldibuyit
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SOURCE: oxygen sensor 2000 2 liter Tracker

You have an heated Oxygen sensor. 2 of the wires heat up the sensor and keep it at a certain temperature, it is turned on and off by the computer. The other 2 are use to send a very low voltage reading back to the computer to tell the computer if the engine is running rich or lean. I don't have a diagram to tell you which wire does what but you can get a manual and that should give you the information that you need and tell you how to trouble shoot it to tell if the sensor is bad or not, you may want to look for a wire laying on the exhaust, I have found wires burnt and lay on the metal.

Posted on Oct 31, 2008

  • 52 Answers

SOURCE: Sienna '99 vibration in driving after belts changed

very possible you might have a bad harmonic balancer ( crankshaft pulley). have that checked then go from there with replacing it.

Posted on Aug 06, 2009

fixitriteman
  • 431 Answers

SOURCE: Car idles fine, dies when accelerated

It is suggested that you always start with first code first. not knowing what code came first, and my experience with Dodge. i have found that them symptoms resemble a map,sensor/check vacuum hose and vacuum.

Posted on Apr 06, 2010

  • 1 Answer

SOURCE: Toyota corolla engine vibration after changing the clutch plate

Toyota corolla engine vibration after changing the clutch plate

Posted on Oct 18, 2011

SOURCE: when gas pedal is pressed car dies

Fuel pump relay is just above the brake booster, change your spark plugs and wires. Check crank sensor. And reset and re scan your car. Code 12. Means ur computer is scanning well. You have to wait . Each code flashes three times. 12 x 3 then all trouble codes x 3 each. Then 12 x 3 again. To conclude scan

Posted on Jul 23, 2012

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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.

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I have a 1988 Nissan Pulsar 1.6 L that loses acceleration until you release the gas pedal then returns when you accelerate again but then this cycle continues again multiple times. We changed throttle...


I would test for restricted exhaust this can be done by place a vacuum gauge on a intake manifold source. when problem occurs keep pedal steady and read the vacuum then slowly keep pressing on gas pedal if reading is ZERO and below you have a restriction.

May 01, 2014 | Cars & Trucks

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Engine power reduced (came on) 2008 srx wad model


My 2008 SRX also had this problem, at first I would turn the engine off and that would fix the problem, but then both the check engine light and the reduce engine power light would come right back on. I brought it to my local mechanic and the code that came up was for the timing chain or the crank shaft. They checked with cadillac and they had problems with timing chain so that was replaced. It was fine for a few days and is now doing the same exact thing. Can anyone help?

Dec 07, 2012 | 2008 Cadillac Srx

1 Answer

Engine Problem


first thing that comes to mind would be the throttle positioning sensor, or the mass air flow intake sensor on the air intake hose assembly.Symptoms of a mass airflow intake sensor would be very poor acceleration or engine dying when gas pedal is mashed hard. Throttle positioning sensor can give you and irradical idle while sitting still. You might want to have a scan to diagnose the problem.

Nov 24, 2011 | 1998 Saturn SL

1 Answer

The check engine light has come on and it says theres a problem with the "throttle position sensor" would this make the vehicle run sluggish and is it an easy fix?


Yes & yes. TPS is basically a rheostat that operates up and down when you step on gas pedal. Over time they develop "hot" or "wear" spots. Can even give symptom of slipping transmission. Pick up new TPS at any good parts store and have them show where it's at on your rig. Usually right near intake and pretty simple to replace - plug and play.

Mar 03, 2011 | 2008 Chevrolet Suburban

2 Answers

Throttle position sensor replace but gas pedal is not giving and gas to motor.


Sounds to be the Mass Air Flow Sensor. If defective it controls the fuel through the computer. If it says there is no air going through the intake(which it senses, It says to the computer there is no need for fuel and no fuel is provided. Have the MAF sensor checked.

Aug 28, 2009 | 2002 Toyota Camry

2 Answers

Check Engine Light & Dashboard Reads Reduced Engine Power


The reduced engine power happens because there is a problem with the electronic throttle control . Some people call it drive by wire ! The gas pedal has sensors inside , position sensors , connected electrical to the PCM - engine computer , the throttle body on the engine has a DC electric motor an also has position sensors . These are also connected to the PCM electrical . The PCM reads the position sensors which indicate how much your pressing on the gas pedal . then hopefully it opens the throttle the same amout .

The throttle actuator control (TAC) system delivers improved throttle response and greater reliability and eliminates the need for mechanical cable. The TAC system performs the following functions:
• Accelerator pedal position sensing
• Throttle positioning to meet driver and engine demands
• Throttle position sensing
• Internal diagnostics
• Cruise control functions
• Manage TAC electrical power consumption
The TAC system includes the following components:
• The accelerator pedal position (APP) sensors
• The throttle body assembly
• The engine control module (ECM)

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.

GM Electronic Throttle Body Circuit Descriptions And Testing Tips

Tons of videos on youtube for these systems , there can be a variety problems , from wiring , worn out sensors , the DC motor , computer etc....

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