1993 Buick Century missing on one cylinder

Tiny
SHARON LOWRY
  • MEMBER
  • 1993 BUICK CENTURY
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 140,000 MILES
New plugs, new wires, changed computers, checked compression, mechanic said injectors was ok. Got any
suggestions?
Monday, March 29th, 2010 AT 11:09 PM

1 Reply

Tiny
MATHIASO
  • MECHANIC
  • 1,209 POSTS
Hello sharon lowry

On the coil, switch #1 to #3 and #3 to #1.
If misfire move from cylinder #1 to # 3, the problem is within the coil.
If misfire stay at the cylinder #1, redo the compression or cylinder leak down test.
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Monday, March 29th, 2010 AT 11:51 PM

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