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Related Ford Questions
If I got a PO755 code and a P1633 code, can that be the
If I got a PO755 code and a P1633 code, can that be the reason why the car does not accelerate past 40 mph… read more
HDGENE
HDGENE
6,752 satisfied customers
2007 f150 5.4 4x4 I was getting the p1633 code even after
2007 f150 5.4 4x4I was getting the p1633 code even after verifying proper voltage at fuse and pcm. So I ordered another pcm with keys, programmed to my vin and now it won't start. It is turning over, … read more
Chris (aka- Moose)
Chris (aka- Moose)
Technician
Vocational, Technical or Trade School
55,778 satisfied customers
Working on 04 Ford Taurus, Diagnostic Code P1633. Check
Working on 04 Ford Taurus, Diagnostic Code P1633. Check engine light was on. … read more
Ron
Ron
ASE Certified Technician
Vocational, Technical or Trade Scho
25,182 satisfied customers
2005f150xl v6 ran fine stopped at store and went to start
2005f150xl v6 ran fine stopped at store and went to start and only turned over no fire took intake off and sprayed starter fluid it fired off figured it was fuel pump towed it to house it was the day … read more
Jon Pell
Jon Pell
Bachelors
153 satisfied customers
What is the cause of code P1633 in a 2008 Ford Escape
What is the cause of code P1633 in a 2008 Ford Escape (3.0L)? Is there a specific wire that would trigger the 'check engine' light for this code? Thanks for your help.… read more
Ron
Ron
ASE Certified Technician
Vocational, Technical or Trade Scho
25,182 satisfied customers
I have a 2008 ford ranger w 2.3 lb, everything works, but
I have a 2008 ford ranger w 2.3 lb , everything works for engine , but the check eng. Light comes on after start 30 seconds with code 1633 . The cruise control is the only thing that doesn't work not … read more
A. Penland
A. Penland
Ford Senior Master Technician
Vocational, Technical or Trade School
7,190 satisfied customers
F-350 XLT 5.4 litre gas: Cannot get code P1633 and also pending
Cannot get code P1633 and also pending code P1633 to erase. Tried all connections battery load test is ok, alternator and starter ok. Any other suggestions??… read more
Steve
Steve
Ford tech Specializing in electronics
Vocational, Technical or Trade School
6,745 satisfied customers
I pulled the electronic heater control and had it rebuilt as
I pulled the electronic heater control and had it rebuilt as it would not operate heater. Oh yeah 2003 F150 supercrew. Have P1633 code. Don't have a clue where to go with this one. My alldata refers t… read more
Dan
Dan
Automotive Technician
Vocational, Technical or Trade Scho
23,949 satisfied customers
2001 Sable: check engine light..My code reader..voltage..alternator
On a 2001 Sable, I have a check engine light. My code reader gives a P1633 code [power voltage too low]. The alternator, starter and battery all check OK.Where do Igo feom here?… read more
Ron
Ron
ASE Certified Technician
Vocational, Technical or Trade Scho
25,182 satisfied customers
2002 ford explorer: blowing..dealership they..interior lights
i have a 2002 ford explorer and the original problem was fuse #17 kept blowing, leaving me w/o power windows or radio, took to dealership they couln't remedy problem and replaced fuse with circuit bre… read more
Amedee
Amedee
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Vocational, Technical or Trade Scho
19,701 satisfied customers
ford f-150: voltage..sketch of the fuse box..theft..intake
hello good day is APendland in i was trying to fix my ford f-150 heritage with him for three days now, we replaced the fuel pump and still the truck will not start, when we put the genesis computer on… read more
Tim West
Tim West
Service Manager
Computer/ Automotive certifications
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What does Ford diagnostic code P1633 mean and how to repair it?
What does Ford diagnostic code P1633 really mean and how to repair? Optional Information: Year : 2001 Make : Ford Model: Taurus Engine: 3.0L OHV V6 Already Tried: Just retrieved the code P1633 "Keep a… read more
Kenny Z.
Kenny Z.
Ford Senior Master Technician
High School or GED
6,163 satisfied customers
2006 F250: A TRAILOR THAT BLEW SOME FUSES I..WHITE SMOKE..PIPE
I HAVE A 2006 F250 DISEL POWER STROKE THE OTHER DAY I HOOKED UP A TRAILOR THAT BLEW SOME FUSES I REPLACED THEN THEN STARTED THE TRUCK,THE TRUCK STARTED BOWING THICK WHITE SMOKE AT THE REAR PIPE I CHEC… read more
Ray M.
Ray M.
Diesel Technician
Vocational, Technical or Trade School
3,075 satisfied customers
2001 F150: It failed emission because KAM voltage low
I have a 2001 F150 with 4.2 motor. It failed emission because "KAM voltage low". I cleaned battery terminals,they was bad coroded and suspect the computer may be bad.any suggestons ? Is this a common … read more
Michael
Michael
670 satisfied customers
2004 ford taurus: Alive Memory) voltage too low can you
i have a code on a 2004 ford taurus that reads P1633 KAM (Keep Alive Memory) voltage too low can you give any suggestions thanks… read more
Richard
Richard
ASE Certified Technician
Vocational, Technical or Trade Scho
1,524 satisfied customers
2004 F150: my alternator..doesnt work..check engine light..Autozone
2004 F150 5.4 Changed my alternator and now my air doesnt work or my radio, and my check engine light is on. Autozone says it has a code problem of P1633. Any help?… read more
Chris (aka- Moose)
Chris (aka- Moose)
Technician
Vocational, Technical or Trade School
55,778 satisfied customers
Ford Taurus: check engine light..what the 8 auxiliary output means
I have ford Taurus 2001, check engine light is on, decoder indicates P1633 ( Ignition Supplement Power Circuit low voltage) and 8 auxiliary output. How I can correct this problem and what the 8 auxili… read more
Glenn
Glenn
Senior Master Ford Technician
Associate Degree
1,746 satisfied customers
2001 F250 Super Duty: fault code..it helps, the ABS lamp is lit
What are the potential causes of fault code P1633 on a 2001 F250 Super Duty? If it helps, the ABS lamp is lit on the dash and does not extinguish. ABS does not function. Thanks… read more
Chris (aka- Moose)
Chris (aka- Moose)
Technician
Vocational, Technical or Trade School
55,778 satisfied customers
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Meet the Experts:

Ron

Ron

ASE Certified Technician

25,182 satisfied customers

23 years with Ford specializing in drivability and electrical and AC. Ford certs and ASE Certs

Chris (aka- Moose)

Chris (aka- Moose)

Technician

55,778 satisfied customers

16 years experience

John Mc

John Mc

Ford Technician

5,495 satisfied customers

19 years Ford Lincoln Mercury experience

Chuck

Chuck

ASE Certified Technician

1,685 satisfied customers

33 Years Experience,Ford Senior Master,ASE Master,L1 Advanced Engine Performance

Cam

Cam

Journeyman Automotive Technician

10 satisfied customers

GM Grand Master Technician 2007. 14 years Automotive experience.

Mike V.

Mike V.

Auto Service Technician

1,591 satisfied customers

25 years experience on all makes and models, Licensed NYS Inspector.

Richard

Richard

ASE Certified Technician

1,524 satisfied customers

12 years at a Ford Lincoln/Mercury and Jaguar dealer as a technician and shop foreman.

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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