Question about 2005 Ford Mustang

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Non responsive fly by wire throttle!

Is there a computer calibration method to alleviate this problem?

You can actually step down on my throttle slightly & have to wait for the engine rpms to come up. It is either on, or off with this throttle. It makes it virtually impossible to creep, when necessary in stop & go traffic. Also on wet, loose gravels, or hillside surfaces slight accelaration is equally impossible. We hate it !!

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Turn the switch on do not crank. press gas pedal down slowly,you will here a slight noise while doing this , then release pedal ,turn switch off. now crank it up . should calibrate drive by wire system.worked for me .

Posted on Dec 26, 2008

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Posted on Jan 02, 2017

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Error codes 2101 and 1516 on my 2004 chevy trailblazer


DTC P2101-
The commanded throttle position (TP), based on accelerator pedal position (APP) and possibly other limiting factors, is compared to the actual TP. The 2 values should be within a calibrated range of each other. Both the powertrain control module (PCM) and the throttle actuator control (TAC) module redundantly monitor the commanded and actual TP. This DTC sets if the PCM detects an out-of-range condition between commanded and actual throttle position.
DTC P1516
The predicted throttle position (TP) is compared to the actual throttle position. The two values should be within a calibrated range of each other. Both the powertrain control module (PCM) and the throttle actuator control (TAC) module redundantly monitor the predicted and actual throttle position. This DTC sets if the PCM detects an out of range condition between the predicted and actual throttle position.

Do you know what electronic throttle control is ?

Pt 1 2007 Chevy 2500HD Reduced Engine Power Warning Fault Code P1516...

Jul 31, 2017 | Cars & Trucks

1 Answer

New fuel pump and filter, car starts but dosent throttle up


Need to know what you are working on. Some late model "fly-by-wire" cars have bad throttle pedal units that can do this. Also check actual fuel pressure as many parts store pumps are bad even when new.

Oct 21, 2016 | Cars & Trucks

1 Answer

Throttle body sensor


Some throttle bodies are simple and straightforward (not many) and some are complex and could contain electronics for correcting the non-linear response from the air metering device. Some have replaceable parts and others are considered to be a factory calibrated assembly where nothing is replaceable.

The throttle body can be a minefield of electronics, sensors and actuators and they should not be lightly considered - you need to know what you have and whether what you want to do with it is not just possible but also practical.

Sep 19, 2016 | Cars & Trucks

2 Answers

Trouble code P0340 2006 Suzuki Forenza


It`s coming up the Camshaft position sensor.

Apr 21, 2014 | 2006 Suzuki Forenza

1 Answer

Why my toyota inova 2011 engine jarking after i chenge battry?


jerking i bet you never looked at the tachometer? and not notice
engine rpm at 300? sure it shakes there, even a new car.
was engine hot or cold> no mention...??????
IS THE CEL GLOWING RUNNING>? if is scan it,
the re-learn on TBW cars, ill not relearn with certain, DTCS set.



MoST CARS 89 to 2001..
drive easy, let it run lean mode.
some newer models of car, the idle re-learn steps need to be done
in the shop, the FSM for your car covers this.

never pull any battery on newer cars, with out checking this first
and get radio and NAV head end codes too, or they go dead.

my guess, I dont have the FSM. now.
but you need to take it to any ASE shop or dealer
if the engine runs bad after running over 10miles. or so.
on some cars with fly by wire (Elect. throttle controls) they must
be recalibrated. (id never own one but people buy anything)

there are many re-learns on all newer cars. some are trival.
Fuel trim, just drive it and it trims in 10 miles hot.
Tranny tune, it learns your habits, it may shift rough let it, it will trim all by its lonesome. trivial.
idle setting, some cars auto tune (engine options? what engine)
some it trivial and others not , need factory scan tool.
fly by wire, nothing here is trivial read the FSM it covers this complex system (it even effect ABS,traction,skid controls and trans.)
non trivial, at all. fly by wire.
read the manual first.

read the manual on call cars with TBW, ETC, to relearn the throttle
on some cars this just a tap dance with the igniton key and throttle pedal.
The ECU on TBW , will not just drive ok, after all it dont trust the throttle after a reset, ( ever see toyota lawsuits on fast idle)


Dec 26, 2013 | Toyota Cars & Trucks

1 Answer

Engine light on


CEL glowing running. (non Hybrid> and what engine, 2.4? or 3.5?)

that means 1 thing, scan me.
it has DTC errors, get them, and use them to solve this riddle.
all cars 1996 to now, USA only. other countries, diffr.
car is PITA fly by wire, (throttle by wire bs)
good luck with that picky system.

car starts, but engine power sux.
its in limphome, its in PITA, throttle by wire limphome.
the DTC will prove that.
its a very touch system. (no cable no spring means , tons of funky software to make car safe )

Dec 22, 2013 | 2007 Toyota Camry

1 Answer

I have a 2005 ford f450 with 6.8 v10. Couple problems, very slow repsponce from pedal, only revs to 3200rms,and tops out at 40mph ,very loud whine/ squeel from what sounds like driver side valve cover, had...


The butter fly inside the throttle body is not opening or shutting with the gas pedal. Replaced the whole throttle body assembly and GPS and the floor pedal assempby and still no luck!

Jan 14, 2013 | Cars & Trucks

1 Answer

I own a 2007 model 1.8 ltr Automatic Transmission Toyota Corolla Altis. I am unable to get used to the throttle LAG. When the throttle paddle is pressed, there is no response for the first few (4-5)...


Your vehicle is equipped with "fly by wire" throttle. When you step on the accelerator, you are actually stepping on a variable resistor that changes voltage in a circuit that goes to the throttle actuator module mounted on the throttle body on the engine. In plain english: your throttle is computer controlled. If this system is not working correctly, there should be fault codes stored in your engine computer.

Jan 27, 2011 | Toyota Corolla Cars & Trucks

1 Answer

Cruise control


sorry but cruise on these cars in europe is non existant so i dont have a proverbial but try the vacumn unit on the throttle ??unless its a newer fly by wire ,in which case give my answer the thumbs down because i havent worked on one YET ,,,,

Sep 16, 2009 | 2000 Ford Focus

2 Answers

85 740 GLE Non-turbo stalls when put in gear or push on accelerator


Its really sounds like the throttle switch, chack him.

Jun 17, 2008 | 1985 Volvo 740

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