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kcb37 -> RE: Suddenly runs rough with little power (9/8/2006 12:42:13 AM)
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Is your engine light on? If so under the dash just to the right or left of the steering colum you have a plug/connector with nothing hooked to it. It may have a cover on it. It will be a 12 pin connecter. If you jump the top 2 on the right side, then turn the key on the light should flash once, long pause, twice short pause. That is a code 12, that means you are into the diagnostics, it will flash that 3 times, any code after is what is wrong. If you call Auto-Zone or Advance Auto Parts they should be able to tell you what the code means.
As for the timing you dad could be right. You may not have a distributor but you do have a timing chain. The distributor is turned to adjust the fire on the sprak plugs. The timing chain is used to adjust the cam shaft to the crankshaft so the valves open at the proper time. I don't know about Corsicas but I do know that GM used a metal gear with plastic/nylon teeth on the cam gear. Once they wear out as they are prone to the chain can jump easily and your timing is off.
If your light is on check that first.
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