2000 FORD FOCUS
168,000 MILES
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INVADERZIMMERMAN
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  • 7 POSTS
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
  • CAR REPAIR CONTRIBUTOR
  • 75,992 POSTS
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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  • 7 POSTS
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
  • CAR REPAIR CONTRIBUTOR
  • 75,992 POSTS
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