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Does not start sometimes

Tiny
KIMSMITH
  • MEMBER
  • 1 POST
  • 2003 CHEVROLET SUBURBAN
  • 20,200 MILES
Someone said fuel pump but we looked up signs and its had not one sign of the fuel pump going bad. Please help
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Thursday, August 31st, 2017 AT 2:19 PM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check the fuel pressure if its within specs with a gauge -start here
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Thursday, August 31st, 2017 AT 2:19 PM (Merged)
Tiny
ERIC COLLIER
  • MEMBER
  • 2 POSTS
  • 2003 CHEVROLET SUBURBAN
  • V8
  • 2WD
  • AUTOMATIC
  • 128,500 MILES
Engine Performance problem
2003 Chevy Suburban V8 Two Wheel Drive Automatic 128500 miles

When my SUV gets under 1/4 of a tank of gas it will not start. After I put more gas into it, it will start. I think it is the fuel pump. If it is how much would it cost to repair it. Please help. Thanks Eric Collier
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Thursday, August 31st, 2017 AT 2:19 PM (Merged)
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Hello, has the vehicle ever stalled with this problem? Are you sure the tank isn't empty? There are bulletins about faulty gage readings, the gage shows around 1/4 tank and the tank is actually empty. There might be something going on with the sending unit for the gage?
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Thursday, August 31st, 2017 AT 2:19 PM (Merged)
Tiny
ERIC COLLIER
  • MEMBER
  • 2 POSTS
Thanks for helping. Months ago. My SUV would not crank when the SUV was just above empty. Now it won't crank at 1/4 of a tank. It has not stalled. Thanks Eric Collier
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Thursday, August 31st, 2017 AT 2:19 PM (Merged)
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Hello, cranking is starter action. When the problem occurs, if it cranks good, but, won't start, check fuel pressure.
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Thursday, August 31st, 2017 AT 2:20 PM (Merged)
Tiny
LAUGHLINLOCAL
  • MEMBER
  • 1 POST
  • 2003 CHEVROLET SUBURBAN
  • V8
  • 2WD
  • AUTOMATIC
  • 75,000 MILES
Engine Mechanical problem
2003 Chevy Suburban V8 Two Wheel Drive Automatic 75,000 miles

when starting, engine will crank but does not fire, wait a few seconds and fires right off.
Does not fire on initial attempt.
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Thursday, August 31st, 2017 AT 2:20 PM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,702 POSTS
When it doesn't start, you need to check to see if the engine is getting spark and fuel. To me, it sounds like it takes a few seconds for the fuel pressure needs a few seconds to build. There could be a leak in the system requiring the fuel pump to need a few extra seconds to build pressure.
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Thursday, August 31st, 2017 AT 2:20 PM (Merged)

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