2003 Chevy Impala Hard starting

2003 CHEVROLET IMPALA
67,000 MILES • 6 CYL • FWD • AUTOMATIC
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SMITTYB38
  • MEMBER
  • 1 POST
After Car has been running for awhile then shut off the engine seems to start rough. Some times you have to pump the gas pedal. This only happens when the engine is hot. When cold it starts great.
May 1, 2008 at 2:10 PM
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RHALL77
  • ✓Experienced Mechanic
  • 3,361 POSTS
check your fuel pressure regulator and see if it is leaking. it is located on the upper intake by the throttle body. pull the vaccum hose off and see if there is fuel in it.
May 2, 2008 at 2:16 AM
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