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1998 Buick Century cylinder 2 misfire

Tiny
MERLIN52
  • MEMBER
  • 1998 BUICK CENTURY
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 22,300 MILES
Car has been to repair shop. New coil, sensor, wires plugs, fuel filter.

Was running with dead spot on accellerator pedal. Idles fine when started after few minutes begins to surge then idles rough and repeats. Car does not stall out.

Codes have included everything from oxygen sensor to max air flow sensor. Reset always comes back to number 2 cylinder misfire. Repair shop says all systems ok no reason for problem can be found.

Could it be vacuum leak? Not able to find problem.
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Sunday, July 20th, 2008 AT 9:17 PM

2 Replies

Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
Not the coil?
Not the injector?
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Sunday, July 20th, 2008 AT 9:21 PM
Tiny
BOBBYTECH1
  • MEMBER
  • 49 POSTS
If u hav replaced everything u can think of, then u should look for vacuum leak around # 2 cylinder for example: bad injector o ring, torn intake gasket around #2 cylinder etc.
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Monday, July 21st, 2008 AT 11:27 PM

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