Mechanical

2004 CHEVROLET SILVERADO
235,000 MILES • 6 CYL • 2WD • AUTOMATIC
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HECTOR ORTIZ
  • MEMBER
  • 2 POSTS
Truck has problems starting in mornings once it starts I have to let it warm up at least 15 minutes once it's warmed up it runs good. If I don't let it warm up it sputters and bucks and I live in florida
Apr 10, 2016 at 12:11 PM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
scan for codes and check fuel pressure with a gauge https://www.2carpros.com/topics/engine/throttle/throttle-body/maintenance/clean
https://www.2carpros.com/topics/fuel-system/fuel-pressure-regulator
Apr 11, 2016 at 12:04 AM
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HECTOR ORTIZ
  • MEMBER
  • 2 POSTS
That not really a definitive answer what could be causing problem ???
Apr 11, 2016 at 4:39 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
I fyou don't do the basic things I sent to you then you don't know where to go. you have to scan for codes and check fuel pressure in order to properly diagnose what is exactly causing your problem. also check for a vacuum leak and fuel pressure should be 60-66 psi
Apr 11, 2016 at 4:58 AM
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