1999 Chrysler Sebring Jerk and Surge

1999 CHRYSLER SEBRING
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SONNY83
  • MEMBER
  • 1 POST
[b:4c68d2da4c]i have major problems w/my car. i can be driving smoothly down the street. Then when i stop @ the stop light and and try to go it does this jerking thing then boom just takes off. every time i drop speed then try to pick it back up it does that. i had the fuel pump and filter changed two weeks ago along w/a major tune-up. i also had the car put on a diagnostic machine i got the codes rear fuel bank system lean and misfire in cylinder 6. i talked w/one guy and he thinks that maybe it's my fuel injectors, do u think that's what it is?[/b:4c68d2da4c]
Mar 31, 2006 at 5:55 PM
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PEPPERMRJ
  • ✓Experienced Mechanic
  • 1,158 POSTS
P0174?
P0106?

Lean condition. The first thing to check for is a vacuum leak. Check all hoses and connections, especially the brake booster and PCV valve. Also check the intake manifold especially around cylinder 6.

The O2 could be due for a change. Most manufacturers recomend change @ 100,000 miles.

Cylider 6 misfire could also be a vacuum leak or O2.

Check the MAP sensor for proper electrical onnection. Make sure the vacuum lines are not clogged and connected with good vacuum.

Good hunting and let us know. :)
Mar 31, 2006 at 8:13 PM
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Suggested Repair

Check for vacuum leaks at hoses and connections, especially the brake booster, PCV valve, and intake manifold around cylinder 6. Verify the MAP sensor electrical connection and that its vacuum lines are clear and have good vacuum. Consider replacing the oxygen sensor, often due around 100,000 miles. These checks address the lean condition and cylinder 6 misfire before assuming faulty fuel injectors.

Conversation Summary

The owner of a 1999 Chrysler Sebring V6 coupe with about 112,000 miles reports jerking when accelerating from a stop or after slowing, followed by a sudden surge. A fuel pump, filter, and tune-up were recently completed, and codes showed a rear bank lean condition and a cylinder 6 misfire. The expert recommends checking for vacuum leaks, including the brake booster, PCV valve, and intake near cylinder 6, inspecting the MAP sensor and its vacuum lines, and considering an oxygen sensor replacement due around 100,000 miles.

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