# 2000 Suburban 5.3L Hard Start when Hot

**URL:** <https://community.cartalk.com/t/2000-suburban-5-3l-hard-start-when-hot/49812>\
**Category:** Maintenance/Repairs\
**Tags:** chevrolet, suburban\
**Created:** [June 3, 2010, 9:57pm UTC](https://community.cartalk.com/t/2000-suburban-5-3l-hard-start-when-hot/49812 "2010-06-03T21:57:11Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![tcontic](https://avatars.discourse-cdn.com/v4/letter/t/9e8a1a/32.png) [@tcontic](https://community.cartalk.com/u/tcontic)\
**Post date:** [June 3, 2010, 9:57pm UTC](https://community.cartalk.com/t/2000-suburban-5-3l-hard-start-when-hot/49812/1 "2010-06-03T21:57:11Z")

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My 2000 Suburban with 115,000 miles starts at the first turn on the key when it’s cold.  
  
  
  
 After driving for a while, shutting it down and letting it sit for 10 minutes it’s hard to start. The engine turns over normally but will not start unless I press the gas peddle a few time. After this it runs a little rough for a few seconds then smooths out.  
  
  
  
 If after running it I shut down then immediately restart it starts up fine.  
  
  
  
 No other engine issues once started, it runs normally.  
  
  
  
 Where to start?  
  
  
  
 Thanks,  
  
 Tom

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**Author:** ![cigroller](https://avatars.discourse-cdn.com/v4/letter/c/c68b51/32.png) [@cigroller](https://community.cartalk.com/u/cigroller)\
**Post date:** [June 4, 2010, 12:00am UTC](https://community.cartalk.com/t/2000-suburban-5-3l-hard-start-when-hot/49812/2 "2010-06-04T00:00:20Z")

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Likely leaking fuel pressure regulator or leaking fuel injectors. They can dump fuel in while the engine is turned off resulting in a flooded condition. Working the gas pedal helps clear the flooding.

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**Author:** ![oldschool](https://avatars.discourse-cdn.com/v4/letter/o/e19adc/32.png) [@oldschool](https://community.cartalk.com/u/oldschool)\
**Post date:** [June 4, 2010, 1:50am UTC](https://community.cartalk.com/t/2000-suburban-5-3l-hard-start-when-hot/49812/3 "2010-06-04T01:50:00Z")

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There are 56 driveability TSB’s for your Suburban,some fit your symptons, give them a look.

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**Author:** ![tcontic](https://avatars.discourse-cdn.com/v4/letter/t/9e8a1a/32.png) [@tcontic](https://community.cartalk.com/u/tcontic)\
**Post date:** [June 4, 2010, 2:08am UTC](https://community.cartalk.com/t/2000-suburban-5-3l-hard-start-when-hot/49812/4 "2010-06-04T02:08:43Z")

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I pulled the vacuum hose off the Fuel Pressure Regulator and gas leaked out. Is this a sign that it’s failed?

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**Author:** ![tcontic](https://avatars.discourse-cdn.com/v4/letter/t/9e8a1a/32.png) [@tcontic](https://community.cartalk.com/u/tcontic)\
**Post date:** [June 16, 2010, 12:12pm UTC](https://community.cartalk.com/t/2000-suburban-5-3l-hard-start-when-hot/49812/5 "2010-06-16T12:12:31Z")

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Problem solved! Fuel pressure regulator was leaking, when I removed the vacuum hose fuel was dripping out. Replaced part, $45 from Autozone, all is well.

Thanks,  
Tom