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Ignition coil or ignitor problem


 

Has anybody had any ignition coil or igniter problems?

Last night I was mounting my aircleaner and knocked off one of the
spark plug wires without noticing it until I started the engine. It
ran very rough and I could hear the snapping arc jumping from the
coil to the wire..... about 1/2 to 3/4 inch. It probably ran for
less than a minute, just long enough to get out see the problem and
then go shut the engine off. After putting the wire back on I started
the engine and it ran smoother although maybe not as smooth as it
used to. It was late and I didn't think too much of it at the time
thinking the plug may be fouled and would clear up.

This morning it was harder to start and ran rough on the way to
work. When I feel the temp of the exhaust pipes the one cylinder
pipe is noticeably cooler than the other three. I pulled the fouled
plug and bead blasted it clean. No improvement. Still runs rough
and that exhaust head pipe is only warm not hot like the rest. My
check engine light so far only blinks a steady flash, no code. I'm
starting to think I may have toasted a coil or igniter when the spark
plug wire was disconnected. Or one of the two was already weak
because I've been having a bit of a starting problem that I had not
worked out yet. Tonight I will do the "ignition control system"
checks listed in the Fuel Injection System info that was posted by
Darrel Boehler a few weeks ago, thanks Darrel. If anyone has any
info I'd be glad to hear it before I dive in to this one.


Darrell Boehler
 

Hi John,
Thanks and glad I could help a bit. The 2.2L coil is designed a little different than we are usually accustomed to. If you have
a bad coil you will loose 2 cylinders on the 2.2L. Like cyl 1 and 2 or cyl 3 and 4. The electrical section says the the wires
should measure between 5 k and 12 k ohms resistance. The picture of the coil at the Meyers site has a diagram of the coil under
tach information.

Darrell

----- Original Message -----
From: "John Seehorn" <jseehorn@...>
To: <subaruvanagon@...>
Sent: Thursday, January 04, 2001 1:49 PM
Subject: [subaruvanagon] Ignition coil or ignitor problem


Has anybody had any ignition coil or igniter problems?

Last night I was mounting my aircleaner and knocked off one of the
spark plug wires without noticing it until I started the engine. It
ran very rough and I could hear the snapping arc jumping from the
coil to the wire..... about 1/2 to 3/4 inch. It probably ran for
less than a minute, just long enough to get out see the problem and
then go shut the engine off. After putting the wire back on I started
the engine and it ran smoother although maybe not as smooth as it
used to. It was late and I didn't think too much of it at the time
thinking the plug may be fouled and would clear up.

This morning it was harder to start and ran rough on the way to
work. When I feel the temp of the exhaust pipes the one cylinder
pipe is noticeably cooler than the other three. I pulled the fouled
plug and bead blasted it clean. No improvement. Still runs rough
and that exhaust head pipe is only warm not hot like the rest. My
check engine light so far only blinks a steady flash, no code. I'm
starting to think I may have toasted a coil or igniter when the spark
plug wire was disconnected. Or one of the two was already weak
because I've been having a bit of a starting problem that I had not
worked out yet. Tonight I will do the "ignition control system"
checks listed in the Fuel Injection System info that was posted by
Darrel Boehler a few weeks ago, thanks Darrel. If anyone has any
info I'd be glad to hear it before I dive in to this one.



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Larry Hamm
 

John Seehorn wrote:

Has anybody had any ignition coil or igniter problems?
I'm starting to think I may have toasted a coil or igniter when the > spark plug wire was disconnected.
John,
Try swapping plug wires with another plug, maybe the wire is shot.
Larry