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Author Topic: 87 gt cranks/no start  (Read 3458 times)
408ciw
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Location: Yadkinville, NC

« on: July 26, 2017, 09:17:44 pm »

Followed the test procedure posted for no spark in the EFI no start thread.
Have fuel though. Replaced TFI module same problem, along with stock type coil and aftermarket type to and a different coil wire. before I spend more money is the stator sensor the likely culprit.
Thanks
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knucklefux
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« Reply #1 on: July 28, 2017, 08:09:53 am »

Make sure you're getting a signal to the coil.  I had a similar situation in my 95 that turned out to be a bad wire somewhere in the harness.  I just ran a new wire from the tfi to the coil.
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95 gt-R.I.P.
2004 cobra-needs more boost
408ciw
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« Reply #2 on: July 30, 2017, 08:23:43 am »

I have the 12v on the wires. Is this what your referring to?
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knucklefux
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« Reply #3 on: July 30, 2017, 10:53:28 am »

No, I'm referring to basically a pip signal on the coil.  Did you check for a pip signal on the injectors?
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95 gt-R.I.P.
2004 cobra-needs more boost
408ciw
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« Reply #4 on: July 30, 2017, 07:18:17 pm »

Where is the test description for this. I have 12v on the injector wires.  It did put one spark at the first turn of the switch for about 1 second then quit.
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408ciw
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« Reply #5 on: July 30, 2017, 09:39:41 pm »

its fixed.....Bought a dist. and it's now running.
 I feel confident its back in the correct timing order all my marks lined up, but drove it and got on it (passing gear its a auto) and it sounded like a pinging sound. Could be a tooth off or advanced to much? Ill have to check it with a timing light.
Thanks for the help.
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knucklefux
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« Reply #6 on: July 31, 2017, 03:48:53 pm »

Need to check the timing for sure.

Sounds like the pickup in the old dizzy was bad.
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95 gt-R.I.P.
2004 cobra-needs more boost
z-adamson
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« Reply #7 on: August 03, 2017, 04:22:32 pm »

its fixed.....Bought a dist. and it's now running.
 I feel confident its back in the correct timing order all my marks lined up, but drove it and got on it (passing gear its a auto) and it sounded like a pinging sound. Could be a tooth off or advanced to much? Ill have to check it with a timing light.
Thanks for the help.

There is no such thing as "off a tooth" with a TFI distributor, not technically speaking anyways. If you install off one tooth from how the old one was, then you simply turn the distributor housing to compensate with the limiting factor here being how far the harness will allow you to turn before the harness bottoms out. Could you have set the distributor up with too much initial advance? Absolutely. You would have to check with a timing light and the clamp on #1 plug wire and the spout removed. Spec is likely 10* BTDC at idle and at operating temp. Under no theory does it make sense to install a distributor and not check initial advance with a timing light.
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