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xsvectOR
xsvectOR, ASE Certified Technician
Category: GMC
Satisfied Customers: 15568
Experience:  car expert!
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Gmc 2006 will not start will turn over ***** ***** here, yes

Customer Question

gmc 2006 will not start will turn over ***** ***** here
JA: Thanks. Can you give me any more details about your issue?
Customer: yes i had an abs light on my mechanic told me to clean the 2 grounds just behind the left fron wheel i have a pocket scanner and there are no codes
JA: OK got it. Last thing — GMC Mechanics generally expect a deposit of about $18 to help with your type of question (you only pay if satisfied). Now I'm going to take you to a page to place a secure deposit with JustAnswer. Don't worry, this chat is saved. After that, we will finish helping you.
Submitted: 12 months ago.
Category: GMC
Expert:  xsvectOR replied 12 months ago.

is the abs light still on? does your scan tool have abs functions?

Customer: replied 12 months ago.
it has abs function and yes code is off
Expert:  xsvectOR replied 12 months ago.

so the abs light Is off now?

Customer: replied 12 months ago.
Customer: replied 12 months ago.
truck will turn over
will not start
Expert:  xsvectOR replied 12 months ago.

ok are the brakes acting normal?

Customer: replied 12 months ago.
dont know the truck will not start
Customer: replied 12 months ago.
thats the issue it will not fire
Expert:  xsvectOR replied 12 months ago.

is the battery dead?

Customer: replied 12 months ago.
no
Customer: replied 12 months ago.
it will turn over
Expert:  xsvectOR replied 12 months ago.

is the theft or security light on?

Customer: replied 12 months ago.
not that i know of
Customer: replied 12 months ago.
dont know what it is
Expert:  xsvectOR replied 12 months ago.

it would look like a padlock on the instrument panel

Customer: replied 12 months ago.
when will it come on?
Expert:  xsvectOR replied 12 months ago.

when cranking

Customer: replied 12 months ago.
can u wait a sec?
Customer: replied 12 months ago.
ill go out and try it
Expert:  xsvectOR replied 12 months ago.

k

Customer: replied 12 months ago.
came on then went off
Customer: replied 12 months ago.
u there?
Expert:  xsvectOR replied 12 months ago.

We will have to pinpoint what the engine is missing.

Spark

Fuel

Compression

All three of these are tested when the engine is being cranked over. There are two way of checking for fuel. Fuel pressure and fuel trigger. Both are very important and must be present for the car to start. Fuel pressure is self explanatory. You just hook up the gage and see what the reading is. Fuel trigger is check with a noid light. The injector gets unplugged and the noid light gets plugged in to the injector clip. With the engine cranking over, this light must blink. This is the signal to the injectors from the computer. You can have all the fuel pressure in the world, but it wont matter if the injector is not pulsing gas into the cylinder like it should! Compression tester, spark tester, fuel pressure gage and noid light are all accessible at your local auto store. All three tests play a very important part in diagnosing a no start condition.

Customer: replied 12 months ago.
why did this ocur suddenly?right after i cleaned the grounds?
Expert:  xsvectOR replied 12 months ago.

sound like a coincidence should have had no effect

Customer: replied 12 months ago.
not much of a help
Customer: replied 12 months ago.
bye
Expert:  xsvectOR replied 12 months ago.

well we need to determine what its missing to start...fire fuel or air.. cleaned a wheel speed sensor ground will not effect engine driveability

Customer: replied 12 months ago.
the ground i cleaned was behind the left front wheel
Expert:  xsvectOR replied 12 months ago.

at the wheel speed sensor? can you attach a image? can you hear the fuel pump engage?

Customer: replied 12 months ago.
on thr frame
Customer: replied 12 months ago.
what does the fuel pump sound like engaged?
Expert:  xsvectOR replied 12 months ago.

a buzz for the first 3 seconds when the key is turned on usually its best to have a second person...have them put there ear to the gas fill nozzle and listen

Customer: replied 12 months ago.
fuel gage reads
Expert:  xsvectOR replied 12 months ago.

that's ok but can you hear the pump energize?

Customer: replied 12 months ago.
start position?
or actually try to start?
Expert:  xsvectOR replied 12 months ago.

stat position

Customer: replied 12 months ago.
not actuallt start?
Customer: replied 12 months ago.
brb
Expert:  xsvectOR replied 12 months ago.

k

Customer: replied 12 months ago.
made a ticking noise
Customer: replied 12 months ago.
not a hum
Expert:  xsvectOR replied 12 months ago.

that's odd no 3 second buzz/hum

Customer: replied 12 months ago.
no tick tick noise
Expert:  xsvectOR replied 12 months ago.

I would check and verify the fuel pump fuse...next I would check fuel pressure ..sounds like kit may have failed

Customer: replied 12 months ago.
wheres the fuel pum fuze?
Expert:  xsvectOR replied 12 months ago.

should be in the under hood fuse box, the lid of the box will label them

Customer: replied 12 months ago.
just found a relay
Expert:  xsvectOR replied 12 months ago.

what model and motor size

Customer: replied 12 months ago.
small v8
Expert:  xsvectOR replied 12 months ago.

all I know is 2006 gmc small v8 what model gmc ?

Customer: replied 12 months ago.
took the relay out and cleaned with eloctronic cleane
Expert:  xsvectOR replied 12 months ago.

did that help?

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