2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Need some info for trailing coil

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Old Aug 27, 2013 | 02:12 PM
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Need some info for trailing coil

I Have a 1988 turbo That needs a coil, will a coil from a non-turbo rx7 work or do I have to look for one that came out of a turbo rx7. Thx
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Old Aug 27, 2013 | 02:12 PM
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same
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Old Aug 27, 2013 | 02:44 PM
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all FCs used the same coils from 1986 through 1991.
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Old Aug 27, 2013 | 02:59 PM
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From: https://www2.mazda.com/en/100th/
Originally Posted by RotaryEvolution
all FCs used the same coils from 1986 through 1991.
+1 correct
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Old Aug 27, 2013 | 05:09 PM
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Thanks for the info , But now that I've been reading some of posts on this site I believe that the coil might not be the problem. All my gauges went out about six months ago,except for speedometer but the car ran fine. A couple of weeks ago while I was driving the car would seem to loose power or bog down for a second and the catch again.then a few times it stalled while driving ,it would start back up after cranking a few times.the last time it stalled On me it would start for a couple of seconds and then shut off ,I had to get towed home.it is not flooded and I also replaced the plugs Because I had them home I was planning on replacing them before this happend ,I don't think I have any spark now the engine just cranks , I can hear the fuel pump with the ignition on so I don't know what the problem could be .
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Old Aug 27, 2013 | 05:27 PM
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sounds like multiple problems, such as a failing trailing coil and possibly a fuel problem.

the car does have fuel i assume..
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Old Aug 27, 2013 | 05:30 PM
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Your gauges minus the speedometer is powered by the Meter fuse.

Have you actually checked for spark? Also check the EGI INJ fuse in the engine fusebox. If the B/Y wires at either coil have voltage (12 volts) w/key to on then this fuse is good.
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Old Aug 27, 2013 | 06:00 PM
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true, i only read the tach stopped working. if all the gauges died then it is probably a similar situation to the other thread posted today.

the meter fuse usually doesn't pop for no reason so it sounds like a short in that circuit along with a secondary problem which is why the car stalled. could be simply a vacuum hose got knocked off or something more in depth. without a working fuel gauge i would start by putting 5 gallons of gas in... regardless if you think it has gas in it, someone could have siphoned it out, drained it or you just didn't monitor it well enough.

Last edited by RotaryEvolution; Aug 27, 2013 at 06:03 PM.
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Old Aug 27, 2013 | 06:10 PM
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Originally Posted by satch
Your gauges minus the speedometer is powered by the Meter fuse.

Have you actually checked for spark? Also check the EGI INJ fuse in the engine fusebox. If the B/Y wires at either coil have voltage (12 volts) w/key to on then this fuse is good.
I am not mechanically inclined ,I took battery cables and connected one end to a plug and the other end of the cable to the battery negative and had someone crank the car I did not see any spark ,i am going to check the egi inj fuse like u said .
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Old Aug 27, 2013 | 06:16 PM
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I did add fuel to it just to be sure because when my gauges first went out I ran out off gas a couple of times I forgot to check my trip meter mileage , I wonder could the fuel filter be one of The problems .
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Old Aug 27, 2013 | 06:23 PM
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From: tulsa,ok.
Originally Posted by RotaryEvolution
true, i only read the tach stopped working. if all the gauges died then it is probably a similar situation to the other thread posted today.

the meter fuse usually doesn't pop for no reason so it sounds like a short in that circuit along with a secondary problem which is why the car stalled. could be simply a vacuum hose got knocked off or something more in depth. without a working fuel gauge i would start by putting 5 gallons of gas in... regardless if you think it has gas in it, someone could have siphoned it out, drained it or you just didn't monitor it well enough.
"All my gauges went out about six months ago,except for speedometer but the car ran fine."
----------------

Just sayin.
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Old Aug 27, 2013 | 06:26 PM
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From: tulsa,ok.
Originally Posted by redturbo
I am not mechanically inclined ,I took battery cables and connected one end to a plug and the other end of the cable to the battery negative and had someone crank the car I did not see any spark ,i am going to check the egi inj fuse like u said .
Never heard of that but...

Pull a boot off of the coil and place the boot resting up against the coil bore leaving a fraction of an inch between the two and turn the engine over and you would see spark if the coil was working.
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Old Aug 27, 2013 | 06:29 PM
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Yeah your right I should have said it ran but not right I guess that's what led to all of these other problems.
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