Ford

Have Ford questions? Ask a mechanic for answers ASAP

Ask an Expert,
Get an Answer ASAP!

2007 Expedition, no crank, no start, only pats light on

Customer Question
2007 Expedition Mechanic's Assistant:...

2007 Expedition

Mechanic's Assistant: Are you fixing your Expedition yourself? What have you tried so far?

No crank, no start, only pats light on dash, windows work, radio works, running lights work, new battery. If I remove the ground and short the cables to discharge, all is fine for about an hour, then back to same thing again

Mechanic's Assistant: Have you checked the fuses? The dashboard bulbs?

All works perfect after discharging the system

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

Not that I can think of

Submitted: 7 months ago.Category: Ford
Show More
Show Less
Ask Your Own Ford Question
Answered in 31 minutes by:
12/31/2017
Ford Mechanic: 6Bucs, Ford Senior Master replied 7 months ago
6Bucs
6Bucs, Ford Senior Master
Category: Ford
Satisfied Customers: 1,078
Experience: Ford senior master tech, 18 years experience.
Verified
Hello and thanks for your question. My name is James. Is the PATS light blinking rapidly when you try to start it? Do you have a second key to try?
Ask Your Own Ford Question
Customer reply replied 7 months ago
pats light is blinking normally
one key, one remote only
Ford Mechanic: 6Bucs, Ford Senior Master replied 7 months ago
Do you have a test light or a voltmeter for testing?
Ask Your Own Ford Question
Ford Mechanic: 6Bucs, Ford Senior Master replied 7 months ago
do you have the owners manual?
Ask Your Own Ford Question
Customer reply replied 7 months ago
I have test light, VOM, Scan tool, no owners manual
Ford Mechanic: 6Bucs, Ford Senior Master replied 7 months ago
Alright. I’m getting some diagrams pulled up. Are the battery cables clean and tight? No corrosion noticed?
Ask Your Own Ford Question
Customer reply replied 7 months ago
Not bad, new battery, bright headlights...
Customer reply replied 7 months ago
VERY ODDI had swapped the Run/start relay and the PCM relay with the trailer tow/battery charge relay about two hours ago... no change
as you instructed, I just swapped the Blower relay with the starter relay, which I had not tried before, still no change, however when I once again swapped the run/start relay, it started! I swapped them back and it still started...
Customer reply replied 7 months ago
just tried it again, after waiting 5 min...
no start again...
swapped all relays, still no start
Ford Mechanic: 6Bucs, Ford Senior Master replied 7 months ago
Ok. It sounds like the problem may be intermittent then. Also sometimes we find poor connector pin fit, so look in the cavities for the relays and make sure none of the wire terminals appear to be spread out or pushed in at all. Also check the relays for any brown, black, or burn marks on the terminals. If the problem starts occurring again, you’ll need to have an assistant attempt to start the engine while you check for power st the smaller red wire bolted to the starter on the passenger side of the vehicle. It’s difficult to get to without a hoist and you may need to use the jack to raise the right front of the truck up to get under there. If you have power at the starter terminal when attempting to crank the engine but the starter is not engaging, replace the starter.
Ask Your Own Ford Question
Ford Mechanic: 6Bucs, Ford Senior Master replied 7 months ago
IF you have an assistant now, have them attempt to start the engine while you touch the starter relay with your hand. See if you can feel the relay click
Ask Your Own Ford Question
Customer reply replied 7 months ago
I dont think the starter is the problem, As there are no dash lights when there is a no crank issue, all the relays look good, all the contacts appear to be good.
Do you know if all of the feed sides (pin 85) should have positive voltage waiting for the relay to enable, I can check to see if they all have power?
Ford Mechanic: 6Bucs, Ford Senior Master replied 7 months ago

I apologize, I misread the part about the dash lights. ONLY the pats light comes on. Got it.

Ok, this may indicate an issue with the instrument cluster or body control module as well then. Pin 30 is hot at all times. Pin 87 sends power to the starter solenoid. Pin 85 should have power to it when the key is turned to the start position.

Ask Your Own Ford Question
Customer reply replied 7 months ago
starter relay, key on, does not have power on 85, what feeds that?
Ford Mechanic: 6Bucs, Ford Senior Master replied 7 months ago
Key needs to be in the start/crank position. Not the run position.
Ask Your Own Ford Question
Ford Mechanic: 6Bucs, Ford Senior Master replied 7 months ago
It’s fed power through the ignition switch
Ask Your Own Ford Question
Customer reply replied 7 months ago
it is live in start position...
still no change...
Wriggled all relays, cables going into that panel...
Customer reply replied 7 months ago
just applied power to pin 87 of starter relay, with key on, starter engaged, no ignition though.
Customer reply replied 7 months ago
also applied power to pin 87 of the other two relays, individually, no change either
Customer reply replied 7 months ago
do you have any other ideas?
it is still doing the same thing...
Ford Mechanic: David Craig, Auto Mechanic replied 7 months ago
David Craig
David Craig, Auto Mechanic
Category: Ford
Satisfied Customers: 6,012
Experience: owner/mechanic at 3D Automotive
Verified

Hi I'm David, so when you remove the starter relay you have power in slot 30 and when you jump power from 30 to 87 the starter ranks. did you happen to check for power on 86?

Ask Your Own Ford Question
Customer reply replied 7 months ago
I think it is way before getting to that circuit because there are no lights in the dash showing the system is ready for ignition.
Dash is totally dark other than flashing normally PATs light.
I can check that pin if you believe it is relevant.
It is intermittent for sure. the weird part is, Why does it come back to life if i drain the charge in the system. My thinking if it is a broken connection or wire, it would still be broken...
This happened after I changed two idler pulleys, and the tensioner pully, Im thinking I may have broken a connection somewhere. I am trying to trace the wiring diagram, for these circuits, but Ford isnt making it easy... LOL
Ford Mechanic: David Craig, Auto Mechanic replied 7 months ago

let make sure that the pcm is controlling the starter relay. let me pull up a wiring diagram

Ask Your Own Ford Question
Ford Mechanic: David Craig, Auto Mechanic replied 7 months ago

ok, I see that you had no power on slot 85 with the key held in the start position. is that correct?

Ask Your Own Ford Question
Ford Mechanic: David Craig, Auto Mechanic replied 7 months ago

Have you checked fuse 27 in the smart junction box behind the right kick panel?

Ask Your Own Ford Question
Customer reply replied 7 months ago
in start position, there was power
Ford Mechanic: David Craig, Auto Mechanic replied 7 months ago

ok. good

Ask Your Own Ford Question
Customer reply replied 7 months ago
i have checked all fuses with test light
Customer reply replied 7 months ago
in BJB & SJB
Ford Mechanic: David Craig, Auto Mechanic replied 7 months ago

ok, we are missing the starter relay control from the PCM. you need to do a continuity test of the wire from slot 86 of the relay to the ECM connector C175B position 34

Ask Your Own Ford Question
Customer reply replied 7 months ago
Even though I have power on that pin in the start positioni have to run into town for a bit, i will be back shortly
Ford Mechanic: David Craig, Auto Mechanic replied 7 months ago

yes, because the ignition switch is supplying the power to 85, not the pcm

Ask Your Own Ford Question
Ford Mechanic: David Craig, Auto Mechanic replied 7 months ago

ill be on all day

Ask Your Own Ford Question
Customer reply replied 7 months ago
back at it...isnt 86 ground on the coil side of the relay?
which of the connectors is B passenger or driver side
Ford Mechanic: David Craig, Auto Mechanic replied 7 months ago

standby please

Ask Your Own Ford Question
Customer reply replied 7 months ago
found the diagram, if that is the only wire on that circuit, it must be good because the PCM power relay energizes ok
Ford Mechanic: David Craig, Auto Mechanic replied 7 months ago

is that wire yellow? it has nothing to do with the pcm power relay energizing. its a totally different function. it controls the ground side of the coil in the starter relay

Ask Your Own Ford Question
Customer reply replied 7 months ago
Starter Relay pin 86 to C175b pin 34?
Ford Mechanic: David Craig, Auto Mechanic replied 7 months ago

yes

Ask Your Own Ford Question
Customer reply replied 7 months ago
continuity good on that
Ford Mechanic: David Craig, Auto Mechanic replied 7 months ago

when you try to start it does the theft light go out?

Ask Your Own Ford Question
Customer reply replied 7 months ago
no change in theft light
Ford Mechanic: David Craig, Auto Mechanic replied 7 months ago

so it stays on when trying to start?

Ask Your Own Ford Question
Customer reply replied 7 months ago
I think it always did?
Customer reply replied 7 months ago
no change in flashing speed either
Customer reply replied 7 months ago
not sure if it always stayed on, guess I never payed that much attention
Ford Mechanic: David Craig, Auto Mechanic replied 7 months ago

ok, when try to start the engine the theft light needs to go out. if not then PATS has you locked out. Do you have another key?

Ask Your Own Ford Question
Customer reply replied 7 months ago
did you see the earlier part, where I said that if I disconnect the battery, and drain the risidual charge, and reconnect the pattery
headlights flash once, and the car can start...
if left alone, goes back to no start again
Customer reply replied 7 months ago
only one key and one remote
Ford Mechanic: David Craig, Auto Mechanic replied 7 months ago

must have missed that part. I'm not sure on this one then I will open this up to the others to chime in. please do not reply back or it will take the question back off the board.

Ask Your Own Ford Question
Ford Mechanic: A. Penland, Ford Senior Master Technician, ASE replied 7 months ago
A. Penland
A. Penland, Ford Senior Master Technician, ASE
Category: Ford
Satisfied Customers: 7,006
Experience: ASE Master Certified, ASE Advanced Gasoline Engine Performance
Verified

Can you give me the VIN#?
I want to check Fords database for any technician bulletins on this problem from Ford.

I think you have a module that is failing.

Do you have any way yo scan all the vehicles modules for trouble codes? Not just the PCM (Engine Computer).

Ask Your Own Ford Question
Was this answer helpful?

How JustAnswer works

step-image
Describe your issueThe assistant will guide you
step-image
Chat 1:1 with a ford mechanicLicensed Experts are available 24/7
step-image
100% satisfaction guaranteeGet all the answers you need
Ask A. Penland Your Own Question
A. Penland
A. Penland
A. Penland, Ford Senior Master Technician, ASE
Category: Ford
Satisfied Customers: 7,006
7,006 Satisfied Customers
Experience: ASE Master Certified, ASE Advanced Gasoline Engine Performance

A. Penland is online now

A new question is answered every 9 seconds

How JustAnswer works:

  • Ask an ExpertExperts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional AnswerVia email, text message, or notification as you wait on our site. Ask follow up questions if you need to.
  • 100% Satisfaction GuaranteeRate the answer you receive.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

AlvinC answered a question about my Ford truck that only someone with an in-depth knowledge of his subject would have known what was going on.

Rich DUSA

Because of your expertise, you armed me with enough ammunition to win the battle with the dealer. They are installing a fuel filter and fuel pump at no charge to me.

MollyUSA

I needed help with my car on Saturday morning....got a response in 5 minutes, and it was the perfect solution. Thanks again to your service.

Jason V.Kirkland, WA

I do know, after going though this with JustAnswer, that I can somewhat trust my mechanic but I will always contact you prior to going there.

BRNew Jersey

I would (and have) recommend your site to others I was quite satisfied with the quality of the information received, the professional with whom I interacted, and the quick response time. Thanks, and be sure that I'll be back whenever I need a question answered in a hurry.

Stephanie PElm City, NC

used your service this weekend with "Trecers" help. thank you ,thank you, thank you. replaced an A/C fan motor. Local Auto Zone had part. $15.00 "tracer" fee and $40.00 for parts, I saved several hundreds of dollers at a shop. i will recommend you and use you in the future.

David L.Richmond, TX

9 dollars, 2 hours of my time, and I drove away. Your diagnosis was right on the mark. Thank you so much.

PhilMarysville, CA

< Previous | Next >

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

29,223 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.

< Previous | Next >

Related Ford Questions
I have a 2007 Ford Sport Trac, Ltd. edition. 4.6L V8 engine.
Hello, I have a 2007 Ford Sport Trac, Ltd. edition. 4.6L V8 engine. My issue is I am getting a random PATS issue. Especially on warm days (I live in SE Ga). The engine will start fine if it has been s… read more
eric remington
eric remington
FORMER SHOP OWNER/TECHNICIAN/INSPECTOR
associates degree
1,038 satisfied customers
I have a 2007 expedition. Was sitting in it while idling in
I have a 2007 expedition. Was sitting in it while idling in a driveway. Truck just shut of and wouldn't start again. The digital display went crazy for a few minutes and lights came on in cab...but di… read more
David Craig
David Craig
Auto Mechanic
6,012 satisfied customers
Intermittent trouble starting my 2009 Ford Ranger Sport.
Intermittent trouble starting my 2009 Ford Ranger Sport. 2;00 PM … read more
A. Penland
A. Penland
Ford Senior Master Technician, ASE
Vocational, Technical or Trade School
7,006 satisfied customers
I just started having this problem, I start the 1997 Ford
I just started having this problem, I start the 1997 Ford Expedition and it shuts right back off. This just started after I replaced the gear shift lever that contains the over drive off button. Probl… read more
Chris (aka- Moose)
Chris (aka- Moose)
Technician
Vocational, Technical or Trade School
29,223 satisfied customers
Ford Expedition EL: I have a 2007 Expedition EL Eddie Bauer..
I have a 2007 Expedition EL Eddie Bauer.. Periodically and intermitantly it will hardly crank llke teh battery is almost dead. This happens sometimes in the morning after sitting and sometimes after r… read more
Pete
Pete
Independent Auto Technician
Vocational, Technical or Trade Scho
138 satisfied customers
Explorer: I have a 2004 Explorer with a .26A drian. The vehicle
I have a 2004 Explorer with a .26A drian. The vehicle sat for three days and it was totally dead. No lights, or sound. Charged it for 4 hours and it wouldn't start. Had to get a locksmith to come out … read more
Chris (aka- Moose)
Chris (aka- Moose)
Technician
Vocational, Technical or Trade School
29,223 satisfied customers
I have a 2000 Ford explorer, V6 SOHC. I have a no crank with
I have a 2000 Ford explorer, V6 SOHC. I have a no crank with PATS prove out issue. I was having this same issue before and things would fix themselves for about a week after I disconnected the battery… read more
James
James
Bachelors degree automotive technology with minor in diesel
3,578 satisfied customers
taurus ford: i have 2001 taurus se theft light is on wont start
i have 2001 taurus se theft light is on wont start when you turn key ,asked dealer he said if key unlocks and turns key is good .if i unhook the battery and hook back up lights and everthing comes on … read more
TIM MOHR
TIM MOHR
SHOP OWNER
Master's Degree
8,037 satisfied customers
expedition EL: i have a 2007 expedition that will not start
i have a 2007 expedition that will not start plenty of battery power just absolutely nothing when i turn the key, Was told that the blinking lit up anti theft indicator has something to contibute to t… read more
Autotech58
Autotech58
Auto Repair Technician
Vocational, Technical or Trade Scho
268 satisfied customers
Excursion: 2wd..batteries..It would slowly crank until this morning
I have an 01 Excursion 2wd 7.3 that just recently started discharging the batteries overnight. It would slowly crank until this morning. Today it doesn't crank at all. I unhooked the batteries and the… read more
Ted G.
Ted G.
Technical/Sales Trainer
Vocational, Technical or Trade Scho
4,376 satisfied customers
2002 ford: drivers power window..window works..stereo
2002 ford windstar Stereo,drivers power window, both rear windows stopped working at same time Sunday morning. Passenger window works fine. Fuse for stereo is good. Is there a common point that those … read more
Dodge expert
Dodge expert
ASE MASTER TECH, REPAIR FACILITY OWNER
High School or GED
3,636 satisfied customers
1997 expedition: steering wheel..Interior lights..locks..clicking
I've been having problems with the PAT system on my 1997 expedition. Usually pounding on the steering wheel solves the problem but now I've got absolutely no electrical power to anything in the car. I… read more
Al Smitty
Al Smitty
Associate Degree
604 satisfied customers
2004 Ford expedition: the Starter Relay fuse (#101 - 30amp..ran fine
2004 Ford expedition will not start. I had the same problem about 4 months ago. I replaced the Starter Relay fuse (#101 - 30amp) it fixed the problem and ran fine. Had the same issue yesterday, replac… read more
Tim
Tim
Associate Degree
3,172 satisfied customers
Escape: awhile..ignition, the car wont turn over, no clicking nothing
I have an 04 Escape. Car had sat without being started for awhile, battery went dead, so we replaced the battery. When we put the key into the ignition, the car wont turn over, no clicking nothing. My… read more
Mark W
Mark W
Associate Degree
92 satisfied customers
1999 ford contour: crank no fuel pump..check engine..seat belt
1999 ford contour 2.5 v6 Starter does not crank no fuel pump on ingntion on PATS blinks for a flash on ignition on-NOT 3 seconds. No check engine test light. Fan Fuel and seat belt do light. HELP!!!… read more
POWERSTROKE
POWERSTROKE
DIESEL MASTER TECH
Associate Degree
1,040 satisfied customers
2001 windstar: start immediately upon turning..It cranks..fuses
The 2001 windstar (57000 miles) will not start. It used to start immediately upon turning the key ...now (this afternoon) It cranks over just fine. All of the fuses are fine. The problem started after… read more
tthearch1
tthearch1
Vocational, Technical or Trade Scho
200 satisfied customers
Ford Expedition: lights work..clicks..glow..we had only just parked it
Our Ford Expedition 2000 will not start, we changed the starter but it did nothing, the batterty is charged and all the lights work.. When we turn the key it just clicks and all the warnings on the da… read more
HDGENE
HDGENE
Master Technician/Lead Technician
Associate Degree
2,835 satisfied customers
A battery warning light..electronics..air conditioning..lights come
I had a battery warning light come on as I was driving. Before I got home the electronics in the car stopped working (radio, windows, and the air conditioning fan). The car continued to run, but after… read more
autodoc_2000
autodoc_2000
Automotive Technician/Asst Service Manag
Vocational, Technical or Trade Scho
5 satisfied customers
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.

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.

Show MoreShow Less

Ask Your Question

x