2nd Generation Specific 1986-1992 Discussion

Car Wont Start When Ac Is On...

Old Oct 1, 2003 | 01:23 PM
  #1  
i.didnt.do.it's Avatar
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From: Stuart, FL
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Ok...heres the scoop.

When I start my car up, I put the AC on to keep its idle (AC doesn't work, but my car wont idle w/o it running...I dunno). Well yesterday when I went to start my car up, it wouldn't even turn over. So I went and got a jump from the trusty neighbor. After about 15 minutes of jumping, it finally started.



Well, this morning it pulled the same ****. I noticed the AC was blowing, but the radio wouldn't even go on...So I turned the AC off and the radio came right on. Turned the key..Vroooom...started right up...



Also, when I'm driving and I hit the bakes, the radio cuts out for a second then comes right back on...does this have something to do with the AC bullshit?



WTF?

******' stumped...
Old Oct 1, 2003 | 01:27 PM
  #2  
mazdadrifter's Avatar
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get the pulsation dampner in?



soundsl like an electrical nightmare



the bac valve adjusts for load on yoru engine by raising idle, it sounds like your idle is set too low,
Old Oct 1, 2003 | 01:39 PM
  #3  
i.didnt.do.it's Avatar
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Workin on the PD. It seems to be too much of a pain in the *** to change it w/o taking off the UIM; so I'm awaiting gaskets from Mazda. Thats a whole other story...



Where do I adj the idle at?
Old Oct 1, 2003 | 01:52 PM
  #4  
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at one point, my radio would go off when I pressed the brakes. I replaced the battery, and it doesn't do it anymore. You might want to get your battery checked, since many places will do it for free.
Old Oct 1, 2003 | 04:03 PM
  #5  
i.didnt.do.it's Avatar
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Yeah...I'll do that.Hopefully that'll fix it.
Old Oct 1, 2003 | 07:33 PM
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I second the brake pressing/radio shutting off comment.. It was an electrical glitch my car had.. pretty common among our FC's.. checked the Altenator/battery/charging system, fixed what was needed, and never saw the problem arise after that.



-Markus



"Reground some major electrical parts in your engine bay as well, you might gain something that way."
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