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No spark. Need ignition amp or... ?
Posted 18 December 2003 - 11:37 PM
Posted 19 December 2003 - 02:46 AM
Posted 19 December 2003 - 02:52 AM
Welcome to the forum btw.
Posted 19 December 2003 - 06:19 AM
I do not know your history with this vintage Subaru, but there must be some gaps.
first you say
Ignition amplifier? honestly I havent heard that term before.
All Subarus with the crank angle sensor dist. (Optical) have an Ig Amp, it is mounted on the coil bracket under the coil.
They are a power tranistor that amplifies the small signal that is being sent by the ECU to the coil to fire the spark plug.
The brackett ground is a "leg" of the transistor and must be grounded.
The "ignitor" is a module in the dist that sends a signal TO the coil/ECU in some models - not this one.
These two devises are on different ends of the spark generating system -
one sending a signal to coil/ECU = (ignitor)
one amplifing the signal from ECU = (ig amp.)
Second you say
just go spend $25 at the junkyard for a distributor, from any old subaru from 1985 to 1990ish.
I am sorry the crank angle distributor was introduced in 87 (possibly late 86) on the SPFI and MPFI models, carbed cars never had one.
This statement is correct
is make sure it has the same connector on it
But to save time and hassle he should look for a SPFI model of the same year.
Sorry to have to correct you like this but I am trying to save DM some time and money.
My check mark goes beside the ig amp, with a bit more testing
Try looking for spark when it is fairly dark and at the coil wire - a bad ig amp will still spark but very very weak.
If you have 12 v at the coil positive with the key on.
Then maybe shopping for a dist is in order.
Hope this helps.
Posted 19 December 2003 - 01:49 PM
Posted 19 December 2003 - 02:38 PM
i replaced the module on the coil bracket and had spark
that is what you need, go to the junkyard and get a coil and bracket as a unit, or just the bracket. but if you get the whole thing at a good price, at least you will have a spare coil!
i put my money on the module on the bracket....
sounds like you figured it out, just wanted to check and make sure on the board!
Posted 20 December 2003 - 01:11 PM
Posted 22 February 2016 - 12:44 AM
Posted 22 February 2016 - 12:46 AM
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