Question about 2004 Ford Fusion

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EAC fail light and loss of power

Same as Shelagh. The diagnostic computer said it was a failed Throttle pedal sensor and at my garage they got same result. So I spent £145 replacing it but the problem remained. I can drive but can't get full power, but it will pack in before long. New test found another fault with another electric part but garage will look at everything on Monday.

I had an 03 model for 3 years, no problems. This is 55, pain in the neck so far.

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Posted on Jan 02, 2017

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SOURCE: EAC FAIL ON A 2004 PLATE FORD FUSION 2

Yes you need a diagnostic tool to read the error code and from there carry out any repairs.

Posted on Oct 06, 2009

  • 3 Answers

SOURCE: EAC FAIL FORD FUSION 03

I have an EAC failure on my wifes 53 reg Fusion 1.4 and it's been off the road for 2 months. An independent check showed fault code P2135, which relates to the throttle body but fitting a body from a healthy Fiesta with the same engine didn't solve the problem. I was advised to check wiring to the body but all seemed OK. Took car to Ford who stated that the car needs an updated body and wiring and the parts are on back order with first delivery not due until Jan 2010! Why the car won't work with replacement original parts is a mystery. I'm very disappointed with Ford. Sorry this doesn't solve the problem but hope it clarifies the situation. Have logged this on other websites and with BBC Watchdog!

Posted on Nov 24, 2009

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Idling at 3000rpm and EAC Fail showing.Changed the Throttle Body and no change..thanks


Did you just guess on this?? What are the throttle pedal sensor readings.

May 12, 2016 | Cars & Trucks

1 Answer

2001 honda passport; takes spells where it wont idle with out foot on gas pedal, now the loss of power light is on and the check engine light is on. had the codes done and it shows throttle body sensor ,...


did you check all fuses, yet, in both boxes????????
that power light , please be more clear there, seems that be a
first order failure, right?
there are 4 power lights on cars each have word in front.
here is one, this it? "ENGINE??????"
http://dashboardsymbols.com/2010/11/reduced-engine-power-light/
that means the engine is in LIMPOME ! but why? easy !

and in the FSM it tells you all the ways to get there. LIMP.

oneway is any time the throttle by wire gets upset, (drop a hat?)
just about anything can trip TBW ,
even vacuum leaks,

ever tune it up in 13 years? 13 year old spark plugs?
post the DTCs not the lookups. most are wrong. on the net...
honda has its own DTCs. P1xxxx , post those. not Autozoned bs.
car is Flybywire, those are expense to fix. dont buy cars with it...
all are..... and diagnosis is hard, and many shops throw parts
at it , to the tune of $1000+ labor, to find a vacuum leak, and a huge bill. (zillion hits on many car forums, for that)
but to them, it huge ticket builder $$$$, vast profits on this system.

BTW, (by the way) TBW has no throttle cable.
Eg>
so TBW has a elect. motor on the TB TV, throttebody , throttle valve (butterfly) (an electric throttle it IS)

you step on the pedal, the sensor there, sends a Demand to the
PCM, the pcm sees, say 20% Throttle angle, from the driver.
the PCM then runs the motor to 20% (using dynamic tables)
then checks, 2 , that is 2x TPS. sensors to see if the valve did
in fact open to 20% , if not FAIL, if one sensor differs to the other FAIL.
if the TB valve is all gummed up from the PCV/EGR black cloud of death?, then FAIL. if any part in this sequence of events fails ,, bam
fail safe and a bunch of DTCs,

The PCM monitors engine air flows all thru this process and
if the air flow is wrong , for demand, FAIL !!!
the PCM models the TV, and makes darn sure under any possilbe
failure mode
, the throttle NEVER GETS OUT OF CONTROL!
This latter part, alone can trip DTCs. (i call them soft fails)

imagine some part was to cause air leaks, during the throttle event.
BAM.
egr leaks.?
what ever......? vacuum paths are complex....

but do get the FSM , do read it on TBW
and do the tests stated there.
Factory service manual.= FSM
all my 3 letter words are all ASE/SAE spec.
if we dont use the 3 letter words the FSM grows from 4 inches thick to 8.

DTC, diagnostic trouble codes
TB , throttle body
EGR, ,exh, gas recric.
TBW , throttle by wire.
TB , throttle body or TV throttle valve.
PCM powertrain control module (engine brain + Tranny)

many are here those names.
http://www.fixkick.com/JARGON.html

do you miss CARBS yet?

now some jokes. kid friendly ( worse than TBW)
https://www.youtube-nocookie.com/embed/KBxSntGGm8U?rel=0

Aug 09, 2013 | 2001 Honda Passport

1 Answer

EAC FAIL on dash and loss of power


Hi there,
Resolved my 2002 TDCI fiesta with 1 year struggle with EAC FAIL by cleaning MAF sensor.Now car performs like it should,good power,acceleration and speed.Hope this will help you too.

Nov 09, 2012 | Cars & Trucks

1 Answer

EA FAIL


You need the fault code read that was recorded when the EAC failed.

Jul 14, 2017 | Cars & Trucks

1 Answer

P0068 on a 2006 Dodge Ram 1500 SLT. Rough "hunting" for idle. Momentary lag/loss of power from a stop. Random RPM changes while at a constant speed. Sometimes it feels like it drops out of gear...


P0068 Symptoms - Engine Light ON (or Service Engine Soon Warning Light)
- Lack/Loss of power
- Engine rough idle Possible causes - Large vacuum leak
- Leaking air duct system
- Mass Air Flow (MAF) poor electrcial connection
- Manifold Absolute Pressure (MAP) poor electrcial connection
- Faulty Mass Air Flow (MAF) sensor
- Faulty Manifold Absolute Pressure (MAP) sensor
- TP sensor not seated properly.
- Faulty Throttle Position (TP) sensor.
- Dirty throttle body
When is the code detected? The Powertrain Control Module (PCM) monitors operation rationality check by comparing sensed throttle position to mass air flow readings
P0068 DODGE Description The Powertrain Control Module (PCM) monitors a vehicle operation rationality check by comparing Throttle Position (TP) to Mass Air Flow (MAF) readings. If, during a self-test, the comparison of the TP sensor and MAF sensor readings are not consistent with the calibrated load values, the test fails and a diagnostic trouble code is stored in continuous memory.

Jul 10, 2011 | Dodge Ram 1500 Cars & Trucks

1 Answer

Ford fiesta 1.4 zetec. Comes up with EAC fail message


its a problem with the electronic throttle control (sensor on the accelerator pedal)

Feb 05, 2010 | 2004 Ford Focus

1 Answer

Engine runs on reduced power


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

There are a number of these type videos on youtube ! Do you have a DVOM - digital volt ohm meter ? Find a wiring diagram at http://www.bbbind.com/free_tsb.html Three are two position sensors on the gas pedal an two on the throttle body . Find videos on test TPS - throttle position sensors , check the circuits too the PCM an from the gas pedal to the PCM . You can also check motor circuit as well .
GM Reduced Engine Power Mystery Solved

Drive by Wire Function and diagnostics by Wells


Mar 24, 2017 | 2002 Oldsmobile Bravada

2 Answers

EAC FAIL ON A 2004 PLATE FORD FUSION 2


the best thing to do at this point is to have the diagnostic trouble codes read that may be stored in the memory of the on board computer, it is called the OBD 2 (on board diagnostics generation two) electronic engine control system.

Oct 06, 2009 | 2004 Ford Fusion

1 Answer

Ford fusion eac failure.


Sorry you feel that way about ford dealer's . I work at one ,have for 15 years . And they don't just want your money , where do you people come up with this junk ? Your wasting your own money buying parts you don't need ! Buy parts other then ford OEM parts is not to bright either . Having the correct diagnostic tool's an factroy training makes us your best choice . And it's not EAC ,it's ETC - electronic throttle control . And there isn't a 2004 fusion . Did come out till 2006

Jul 23, 2017 | 2004 Ford Fusion

2 Answers

Eac fail lite up on dash and engine light lite too.


My car has been doing this for a few months, paid £80 to get accelerator pedal changed, this didnt help, EAC fail back few days later, am now having throttle body changed and have just found out that on board computer is US, so its going to cost me £1100 !!!!! Deep joy.......

Jan 10, 2009 | 2004 Ford Fusion

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