GMC

GMC troubleshooting questions? Ask a mechanic for answers

Ask an Expert,
Get an Answer ASAP!

2003 Yukon 5.3 cranks good, won't start. Can hear fuel pump,

Customer Question
2003 Yukon 5.3 cranks...

2003 Yukon 5.3 cranks good, won't start. Can hear fuel pump, 0 fuel pressure checked at Schrader valve on passenger side of rail.

Mechanic's Assistant: How many miles are on the vehicle? And when was it last serviced?

200,000. Serviced?

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

Myself. Listened for pump, can hear it. Tested pressure with gauge on fuel rail=0

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

Scanned for codes. Had anti theft code, did the reset procedure

Submitted: 1 month ago.Category: GMC
Show More
Show Less
Ask Your Own GMC Question
Answered in 3 minutes by:
3/24/2018
GMC Mechanic: Wolfgang, Master Auto Tech replied 1 month ago
Wolfgang
Wolfgang, Master Auto Tech
Category: GMC
Satisfied Customers: 5,078
Experience: Master, L1, L2, ASE 15yrs and running.
Verified

Welcome, I'm Wolfgang, Chevy Technician.

  • WORK TIME, I am here 7 days a week but not all hours of the day, do not worry I will respond.
  • FEES, I am a user of the website like you, not an employee. Any fee or account questions need to be addressed to the website.
  • PHONE CALLS are automatically offered by the website. I or another may take the call if you request one.
  • UPLOADED LINKS, if I upload dropbox links, without the phone app use the box on the top right for direct download.
  • RATING ANSWERS, please let me know what you need from me so you are pleased with my answer.

 

  1. I do need the vin # to get the factory information to assist.
  2. Did you verify voltage to the fuel pump connector as 12 volts while cranking?
  3. any recent work done to the vehicle before this issue now?

Thanks

Ask Your Own GMC Question
Customer reply replied 1 month ago
I don't have vin available now
Did not verify voltage to pump
No recent work done, truck ran great until this morning
GMC Mechanic: Wolfgang, Master Auto Tech replied 1 month ago

when you get a chance i will need the vin # and you will need to verify voltage at the pump.

Ask Your Own GMC Question
Customer reply replied 1 month ago
How do I verify voltage at pump?
GMC Mechanic: Wolfgang, Master Auto Tech replied 1 month ago

you will need a volt meter and then you will need to get to the connector that is easy to get to and then measure the voltage from power to the pump and ground at the connector. this will narrow down if its the pump or the other side of the circuit.

Ask Your Own GMC Question
Customer reply replied 1 month ago
Won't be able to get voltmeter until tomorrow, and have no experience using one. Will I be able to access connector without dropping gas tank?
Was this answer helpful?
Ask Gm Tech (Cam) Your Own Question
Gm Tech (Cam)
Gm Tech (Cam)
Gm Tech (Cam), GMC Mechanic
Category: GMC
Satisfied Customers: 1,769
1,769 Satisfied Customers
Experience: GM Grand Master Technician 2007. 14 year experience.

Gm Tech (Cam) 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:

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

RobinElkton, Maryland

He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here.

DianeDallas, TX

< Previous | Next >

Meet the Experts:

Gm Tech (Cam)

Gm Tech (Cam)

GMC Mechanic

1,769 satisfied customers

GM Grand Master Technician 2007. 14 year experience.

Gary

Gary

ASE Certified Technician

1,557 satisfied customers

GCM master tech over 25 years

Dave Nova

Dave Nova

GMC Technician

929 satisfied customers

ASE Master Certification. GM World Class Certification

Chris (aka-Moose)

Chris (aka-Moose)

GMC Technician

583 satisfied customers

16 years of experience

Ron Z.

Ron Z.

- GMC Tech -

259 satisfied customers

18+yrs experience. State Inspector & GMC Diagnostics/Repair

George H.

George H.

ASE MasterTechnician

227 satisfied customers

15+ Years ASE Master Technician with Level 1 Certification

Don - Mo Lurch

Don - Mo Lurch

ASE Certified Technician

218 satisfied customers

GM, GMC, Chevrolet Cert., Heavy Line Mech, Race Shop Owner, Mobile Electronics

< Previous | Next >

Related GMC Questions
I have a 2009 GMC 2500 HD 6.6 turbo would only run for about
I have a 2009 GMC 2500 HD 6.6 turbo would only run for about 4 sec. I replaced the filter,housing and water sensor after priming it started and then run for about 20 sec. then died. Any suggestions? T… read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
1,769 satisfied customers
My 07 camry has no power and won't start. good battery,
my 07 camry has no power and won't start. good battery, cleaned grounds in the vicinity where you would find the battery. replaced ignition switch. good starter. there is power to door locks but not t… read more
Dan
Dan
Dealership Technician
Associate Degree
2,004 satisfied customers
I have a 2008 GMC Sierra 1500 Lt extended cab. I started it
Hi I have a 2008 GMC Sierra 1500 Lt extended cab. I started it the other day and the gauges didn't work. I shut it off and it wouldn't start. I kept trying to start it on and off and it would sometime… read more
Jared D
Jared D
Shop Supervisor
Bachelor\u0027s
3 satisfied customers
The RPM gauge works occasionally. I notice when it's not
The RPM gauge works occasionally. I notice when it's not working so is the air con and engine runs rough. … read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
1,769 satisfied customers
All my power windows work except right front, replaced
All my power windows work except right front, replaced switch still no go … read more
Don - Mo Lurch
Don - Mo Lurch
ASE Certified Technician
Vocational, Technical or Trade Scho
218 satisfied customers
I have a 5.7 g2500 vandura I have added a new pump new carb
hello I have a 5.7 g2500 vandura I have added a new pump new carb I have checked the fuse ok I put in a new pump relay new oil sensor I have tried hot wiring the pump it comes on so it does work I don… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,557 satisfied customers
I hava 94 gmc g2500 vandura my fuel pump is nd so is my carb
I hava 94 gmc g2500 vandura my fuel pump is nd so is my carb but is not pumping nor does my carbs injectors I have changed the pump fuse nd the pump rely plus the oil sensor… read more
tim37857
tim37857
Mechanic
High School or GED
71 satisfied customers
My 2010 GMC is pulling the codes P0872, P0877, and P0989.
Hi, my 2010 GMC is pulling the codes P0872, P0877, and P0989. … read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
1,769 satisfied customers
I have got a hummer h2 with a supercharger n I recently
Second opinion] hi I have got a hummer h2 with a supercharger n I recently drove it and it is not selecting the gear when put into drive (D) but when I try to select any other gears they do get select… read more
Todd Audette
Todd Audette
Automotive Technician
Vocational, Technical or Trade School
355 satisfied customers
I have a 04 GMC Yukon 5.3l and need to service the rear
Hello, I have a 04 GMC Yukon 5.3l and need to service the rear differential G80. Do you know what type of gear lube it recommends for the rear end and the capacity? Thanks… read more
kalamykid
kalamykid
Pactor automotive
Vocational, Technical or Trade Scho
97 satisfied customers
Service Stabilitrak, Service Traction Control, Traction
Service Stabilitrak, Service Traction Control, Traction Control Off messages intermittently; Theft Deterrent Disabled light intermittently; Remote Start feature does not work intermittently, ignition … read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
1,769 satisfied customers
I got a 07 gmc acadia 2wd. I keep getting code U0214. Im
I got a 07 gmc acadia 2wd. I keep getting code U0214. Im trying to program my remote but it wont go into relearn or the tire position relearn.… read more
Marvin the Mechanic
Marvin the Mechanic
84 satisfied customers
Feels like its in 4wd when turning its a 2007 acadia awd. I
feels like its in 4wd when turning its a 2007 acadia awd … read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
1,769 satisfied customers
I have a 08 Yukon Denali, I do not have sound of signal
I have a 08 Yukon Denali, I do not have sound of signal light nor warnings sounds. But my radio works , I have sound. What can be wrong? … read more
Don - Mo Lurch
Don - Mo Lurch
ASE Certified Technician
Vocational, Technical or Trade Scho
218 satisfied customers
I keep getting code p154b and p154d. 08 gmc 2500. Im working
yes im working on it right now and just read stuff online … read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
1,769 satisfied customers
Where is the onstar gps located in a 2017 terrain? My
Where is the onstar gps located in a 2017 terrain? My … read more
Todd Green
Todd Green
Associate
3 satisfied customers
I have a 2008 GMC Acadia SLT. The left rear outside light
I have a 2008 GMC Acadia SLT. The left rear outside light flashes rapidly when I turn off the engine. The rest of the lights stay on normally for twenty seconds or so and then all the lights turn off.… read more
Chris (aka-Moose)
Chris (aka-Moose)
GMC Technician
Vocational, Technical or Trade School
583 satisfied customers
My locks all of a sudden stopped working at the same time my
My locks all of a sudden stopped working at the same time my radio says its locked … read more
Stephen, MBA
Stephen, MBA
Master's Degree
166 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