2003 Sierra never cranks on the first try

Tiny
ISAAX
  • MEMBER
  • 2003 GMC SIERRA
  • 4.8L
  • V8
  • 2WD
  • AUTOMATIC
  • 112,000 MILES
I have 2003 GMC Sierra with 112000 miles, the truck doesn't want to crank on the first try, but fires right up on the second try. I saw another post from 2007 with the same issue and sure no answer.
Thursday, September 3rd, 2015 AT 11:38 AM

5 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check for clean battery terminal ends first then check starter relay under hood for corrosion. If progs are corroded then use dielectric compound on them
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Thursday, September 3rd, 2015 AT 12:17 PM
Tiny
ISAAX
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  • 4 POSTS
Just to be clear, there is no problem with the starter motor. It cranks, but doesn't fire.
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Thursday, September 3rd, 2015 AT 6:02 PM
Tiny
ISAAX
  • MEMBER
  • 4 POSTS
An additional note to add as I tinker, if I key it on and off a couple of times before hitting the starter it fires up.
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Friday, September 4th, 2015 AT 7:35 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
It may be the ignition switch then but check starter relay like I said in other reply
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Friday, September 4th, 2015 AT 8:08 AM
Tiny
ISAAX
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  • 4 POSTS
Will do, thanks!
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Friday, September 4th, 2015 AT 9:21 AM

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