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?
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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