engine performance

2003 CHEVROLET IMPALA
6 CYL • 2WD • AUTOMATIC
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BRODERICK ROBINSON
  • MEMBER
  • 2 POSTS
2003 Impala LS. When driving car****** like it is about to cut off. It happens periodically but more when gas tank gets down to 1/4 of a tank. I have changed air filter, fuel filter, had a tune up. Diagnostic has fond nothing wrong.
Jul 24, 2011 at 3:26 PM
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WRENCHTECH
  • ✓Experienced Mechanic
  • 20,760 POSTS
You would need to monitor the fuel pressure while driving to see what it does when the problem occurs. We usually run the hose under the back of the hood and tape the gauge to the windshield.
Jul 24, 2011 at 3:44 PM
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