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1990 Buick Century

Tiny
KEVIN2288
  • MEMBER
  • 1990 BUICK CENTURY
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 161,000 MILES
I had no problems with my car til yesterday. About a month ago I did transmission flush, oil change, plugs & wires. And the thermostat. My car acts as though it's got bad plugs or wires. Which I replaced.
Saturday, February 20th, 2010 AT 10:11 AM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Hi, If spark issue, possibly faulty coil or ignition module. You might be able to take inductive reading from plug wires, using digital multimeter, You don't penetrate the insulation, don't take plug wire loose, just touch with meter lead, compare the readings. If some show around.5 volts and one or two show zero, I know where to start. You have to be careful not to get the leads or anything caught in the belt or fan.
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Saturday, February 20th, 2010 AT 10:53 AM

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