GMC

GMC troubleshooting questions? Ask a mechanic for answers

Ask an Expert,
Get an Answer ASAP!

The # 4 Injector has went out. If i replaced do i have to…

Customer Question
The # 4...

The # 4 Injector has went out. If i replaced do i have to reprogram it or anything? I've heard that you have to.

Mechanic's Assistant: What is the model/year of your GMC?

09

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

Yes

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

No mam

Submitted: 3 months ago.Category: GMC
Show More
Show Less
Ask Your Own GMC Question
Answered in 1 minute by:
3/9/2018
GMC Mechanic: Gunvir Singh,
 replied 3 months ago
Gunvir Singh
Category: GMC
Satisfied Customers: 2,013
Experience: Master Tech at Kennesaw Auto Tech
Verified

Hello, what is your vehicle'e year make and model?

Ask Your Own GMC Question
GMC Mechanic: mike switzer,
 replied 3 months ago
mike switzer
Category: GMC
Satisfied Customers: 733
Experience: lead diagnostic tech at Aamco
Verified

no you do not need to reprogram anything. however i would recommend having the self learn data cleared. this will allow the vehicle to sort out the fuel trims again with the new injector. disconnecting the battery for 30minutes will do this.

Ask Your Own GMC Question
Was this answer helpful?

How JustAnswer works

step-image
Describe your issueThe assistant will guide you
step-image
Chat 1:1 with a gmc mechanicLicensed Experts are available 24/7
step-image
100% satisfaction guaranteeGet all the answers you need
Ask mike switzer Your Own Question
mike switzer
mike switzer
mike switzer
Category: GMC
Satisfied Customers: 733
733 Satisfied Customers
Experience: lead diagnostic tech at Aamco

mike switzer 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

1,696 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
Gmc Acadia: I replaced the battery in a2010acadia now it wonT
I replaced the battery in a2010acadia now it won'T start. It clicks but starter won't turn over. A code po25a shows up on my scanner.… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,557 satisfied customers
GMC Yukon Denali: 07 Yukon auto liftgate problem
I have an 07 gmc denali with the auto liftgate. the remote release and the handle were pushed at the same time and since then the auto motor will not open the hatch. Is there a reset for the motor or … read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
1,696 satisfied customers
2002 GMC Envoy: Key stuck in ignition
My key is stuck in the ignition on my GMC Envoy. How do I get it out? Make: GMC Model: Envoy Year: 2002… read more
Pete
Pete
Independent Auto Technician
Vocational, Technical or Trade Scho
138 satisfied customers
I have a 92 sierra replaced alternator and battery it sat
i have a 92 sierra replaced alternator and battery it sat for a couple days dead battery..i took battery back charged it say thing happen … read more
Chad Farhat
Chad Farhat
Owner
Associate Degree
5,300 satisfied customers
Brake lights come on when parked killing the battery. I
Brake lights come on when parked killing the battery. I changed the switch above the brake pedal but it still is happening. You think it is the ignition switch? … read more
Chris (aka-Moose)
Chris (aka-Moose)
GMC Technician
Vocational, Technical or Trade School
583 satisfied customers
No interior power, have power to fuse box and battery is
No interior power, have power to fuse box and battery is fully charged … read more
Chris (aka-Moose)
Chris (aka-Moose)
GMC Technician
Vocational, Technical or Trade School
583 satisfied customers
DIC stopped working. 2004 yukon. Diconnect battery and
I have located bot fuse panels but only one had a DIC… read more
Jerry Newton
Jerry Newton
Vocational, Technical or Trade Scho
2,066 satisfied customers
Battery will not charge. new battery and new alternator. The
battery will not charge. new battery and new alternator … read more
Cesar Jimenez
Cesar Jimenez
Owner/CEO
Vocational, Technical or Trade School
171 satisfied customers
I have a brand new battery in but my battery level sits at
I have a brand new battery in but my battery level sits at about 11 on the cluster and won't turn on, if I boost it the truck starts and runs normal but if I turn the truck off the truck immediately w… read more
Mechanic01
Mechanic01
2,773 satisfied customers
New battery drains overnight. No but the battery is new. The
No but the battery is new. The same thing happened before the battery was replaced. … read more
AMEDEE
AMEDEE
AUTOMOTIVE TECHNICIAN
Vocational, Technical or Trade Scho
9,105 satisfied customers
Battery saver light came on. Battery test with the engine
Battery saver light came on. Battery test with the engine off at 12.7 VDC, With the engine running at an idle 15.7 VDC. Trying to locate the issue … read more
Mechanic01
Mechanic01
2,773 satisfied customers
Battery is dead all of a sudden. symble on dash = Battery
battery is dead all of a sudden. symble on dash = Battery malfunction It's a 2013 Acadia … read more
AZTechBrian
AZTechBrian
ASE Certified Technician & Shop Owner
Vocational, Technical or Trade School
732 satisfied customers
GM Yukon Denali: Vehicle is completely dead. I cant jump
Vehicle is completely dead. I can't jump or get any electrical item to work. Vehicle is a 2010 Yukon Denali.… read more
Canadafix
Canadafix
Auto shop owner
Vocational, Technical or Trade Scho
869 satisfied customers
GMC Sierra 1500: 05 sierra horn on stering wheel does not work
05 sierra horn on stering wheel does not work ,but works on entry lock… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,557 satisfied customers
Error Code B0100 Electronic Front End Sensor 1 Malfunction.
Error Code B0100 Electronic Front End Sensor 1 Malfunction. Is this a repair that I can do easily myself?… read more
Eric
Eric
Retired
N/A
14,436 satisfied customers
GMC Sierra 1500 Classic SLE: wiring diagram for a 2009 gmc
wiring diagram for a 2009 gmc sierra am/fm cd delco stereo.… read more
goodwrench9124
goodwrench9124
Lead Tech/ Shop Leader
Vocational, Technical or Trade Scho
2,571 satisfied customers
GMC Sierra 1500 Classic SLE: How do I replace the camshaft
How do I replace the camshaft position sensor on my 1997 gmc Sierra k1500?… read more
Ron Z.
Ron Z.
- GMC Tech -
Vocational, Technical or Trade Scho
259 satisfied customers
GMC Yukon Denali: My car used to turn-off the radio and other
My car used to turn-off the radio and other accessories when I opened the drivers door. Now it just stays on until the 10-minute auto shut-off kicks in. All the other doors/hatches work properly. It i… read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
1,696 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