Mazda Protege This compact model offers an economical solution for the need for a sporty sedan or wagon.

97 protégé rough idle when a stopped in gear

  #1  
Old 01-21-2017, 10:43 PM
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Location: PA
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Default 97 protégé rough idle when a stopped in gear

I have scoured over countless threads all over the net before starting this one and have not seen anyone post the results of cleaning grounds.

I did clean the firewall and transmission mount and added a ground from the frame on both side of the engine to valve cover.

While it did help a bit (doesn't shake like crazy anymore) I feel like there's still a problem somewhere.

Maybe a failing coil or something? Just got this car and wires look like recently changed. Starts up great. I see this ground running from the passenger side hoist point up into the fender.... Looking for some insight.

Thanks in advance.
 
  #2  
Old 10-11-2017, 08:40 AM
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Location: Jerusalem
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Could be a failing IAC, among other things:

https://mazda626.net/topic/30382-iac...comment-257594
 
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