Poor running engine only when it gets warm/hot

2005 RENAULT SCENIC
100,000 MILES • 1.6L • 4 CYL • 2WD • MANUAL
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HULLOCK_UK
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  • 1 POST
Slight misfire once engine is warm. Shuddering from engine, engine shaking, will not rev properly,
Jul 18, 2019 at 9:00 AM
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JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
Welcome to 2CarPros.

Have you done the basics such as check fuel pressure, catalytic converter for plugging, faulty fuel pressure regulator?

https://www.2carpros.com/articles/how-to-test-a-catalytic-converter

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

Let me know.

Joe
Jul 20, 2019 at 9:36 PM
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