please i have a 2003 chevy tahoe.Vehicle wont start unless i jump start .First of all i thought it was a battery problem and so got myself with a brand new battery.It started right away and drove it

Asked by Nov 14, 2015 at 08:10 PM about the 2003 Chevrolet Tahoe LT 4WD

Question type: Maintenance & Repair

i have a 2003 chevy tahoe but recently wont start.Bought a new battery but
same problem.changed the altenator  still wont start.Dont really know what' s
going on. Please help

8 Answers

83,635

So you have a new battery, & alternator,,,and it shows that it is charging? If all good there the starter should be checked out, and check all your connections to make sure their clean and tight.

4 people found this helpful.
75,165

Have the new battery load tested,sound,s like it may be bad all so,if you can jump it and it runs,

2 people found this helpful.
75,165

I all so agree with Rowefest,you may be having to put alot of power to bad starter to make it turn over.

1 people found this helpful.
83,635

You never know either... could be a faulty new battery...Just have to go over everything, test everything, process of elimination...

2 people found this helpful.

Those guys are right, but next is cables, especially ground from Neg-- to block. If it does not have a good ground, or cables are original, 13 years old, they may look fine but can be bad between terminal and copper under insulation

5 people found this helpful.
30

I have a 2003 Tahoe that wont start. Turns over but wont start. sometimes it doesn't turn over and everything goes out, no sound. This problem happened in the past but after a few tries it was able to start with some rough idling before running normal again. Now it just wont start. Because of progressive problem to this point I feel it's something that has been going bad slowly. Not a fuse or starter. More like wiring. Not sure what to check. Any ideas.

3 people found this helpful.
83,635

At this point we are just guessing here without being there to look at it. Maybe get it to a garage and have it looked at.

1 people found this helpful.
310

guys press the brake twice then try to start it.. i had same problem. it most be the BCM or th anti theft sensor.

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