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RX-7 2nd Gen Specific (1986-92) RX-7 1986-92 Discussion including performance modifications and technical support sections.

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Old 07-10-2008, 03:34 PM   #1
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So im stuck at work. TII cranks, no tach. no firing.

did the coil just go bad? but even with that would one or the other get the engine
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Old 07-10-2008, 03:50 PM   #2
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Quote:
Originally Posted by Low Impedance View Post
did the coil just go bad? but even with that would one or the other get the engine

Sounds like your TPS is dead. Check it according to the Heynes manual and let us know if its still good.
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Old 07-10-2008, 04:03 PM   #3
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main relay still intact?
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But I've learned that people that don't like guns, tend to like stretched tires.

Which makes perfect sense. They are sacrificing safety either way. lol


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Old 07-10-2008, 04:43 PM   #4
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Have you checked the fuses?

Quote:
Originally Posted by BURNIN_STREETS View Post
Sounds like your TPS is dead. Check it according to the Heynes manual and let us know if its still good.
Well that's a load of shit. His car would still start with a dead TPS and it has nothing to do with the tach.
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Old 07-11-2008, 08:25 AM   #5
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im worried that its in the harness. car started fine after i played around with a few connections....


it did this earlier this week as well but started, just had no tach. Then when you were going over 5 mph it has a two beep repeating noise going on the entire time you were driving...
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Old 07-11-2008, 10:21 AM   #6
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Originally Posted by Low Impedance View Post
im worried that its in the harness. car started fine after i played around with a few connections....


it did this earlier this week as well but started, just had no tach. Then when you were going over 5 mph it has a two beep repeating noise going on the entire time you were driving...
Because the power steering computer didnt know how fast the engine was spinning.
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Old 07-11-2008, 11:01 AM   #7
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then how did it know i was stopped?
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Old 07-11-2008, 03:46 PM   #8
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To me it almost sounds like a crank sensor issue.

I'd check the wiring over and make sure there's no loose connections. Pay clsoe attention to the exposed wires where they enter the rubber grommet in the CAS, I've seen a few as of late with broken insulation there. No crank signal would certainly mean no start.

If the trailing coil was burnt, you'd have no tach, but it should still run it would just be a little sluggish and down on power. Although its a possibility, so you could swap another on since its simple and would rule out one option.
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Old 07-11-2008, 03:49 PM   #9
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Quote:
Originally Posted by classicauto View Post
To me it almost sounds like a crank sensor issue.

I'd check the wiring over and make sure there's no loose connections. Pay clsoe attention to the exposed wires where they enter the rubber grommet in the CAS, I've seen a few as of late with broken insulation there. No crank signal would certainly mean no start.

If the trailing coil was burnt, you'd have no tach, but it should still run it would just be a little sluggish and down on power. Although its a possibility, so you could swap another on since its simple and would rule out one option.
here is more info on the FC's Ignitions.
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But I've learned that people that don't like guns, tend to like stretched tires.

Which makes perfect sense. They are sacrificing safety either way. lol


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Old 07-11-2008, 04:23 PM   #10
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then how did it know i was stopped?
Electronic speed sensor in the speedometer.
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