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Only 3 of the four cylinders are working?

Tiny
2CP-ARCHIVES
  • MEMBER
  • 1993 PONTIAC SUNBIRD
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 65,000 MILES
1993 Pontiac Sunbird 2.0l mileage: 65,000. My car has been driving with only 3 cylinders working. I checked the spark plugs and the wires. They are OK. What is the next thing to check? I thought of the module, but was told that it would not start if it were that. Is this true? Could it than be the coil?
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Tuesday, October 19th, 2010 AT 11:22 PM

1 Reply

Tiny
2CP-ARCHIVES
  • MEMBER
  • 4,540 POSTS
The ignition module and coil cannot be causing your problem. Some things to check would be the compression, the injectors for each cylinder and scope the engine.
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Tuesday, October 19th, 2010 AT 11:23 PM

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