2000 Ford Focus Driving Car Fast Slow Makes Surging Pulsating Motion Could

2000 FORD FOCUS
168,000 MILES
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INVADERZIMMERMAN
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When driving my car (fast or slow), the car makes a surging/pulsating motion. What could cause this?
Nov 6, 2012 at 9:15 PM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Do you have a check engine light and also when was last tune-up? Check the fuel pressure if its within specs and also go here: https://www.2carpros.com/articles/engine-surges
Nov 6, 2012 at 9:34 PM
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INVADERZIMMERMAN
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My check engine light has been on since I got the car, but everything looks fine under the hood.
Nov 8, 2012 at 10:30 PM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
You have problem within the engine management system that's causing the CEL to come ON. Take it to the nearest Autozone and have it scanned for OBD2 code/s and comeback if any present-
Nov 9, 2012 at 2:04 AM
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