[s-cars] misfire leads to ECU fuse blown

[James Murray (QA/EMC)]

Mine blew due to a bad POS device... Disconnect both POS devices, if
fuse doesn't blow, then reconnect one POS, try again, then reconnect the
other... I guess it's possible to have a coil grounded out too, so you
could try the same procedure having the connectors to each coil
reconnected in succession... 

Have a few Fuses handy, I went through 3 or 4 until I found the culprit.

/Jamu. 

-----Original Message-----
From: s-car-list-bounces at audifans.com
[mailto:s-car-list-bounces at audifans.com] On Behalf Of pkrasusky at ups.com
Sent: Friday, March 10, 2006 4:56 PM
To: S-CAR-List at audifans.com
Cc: Bill.Perron at otis.com
Subject: [s-cars] misfire leads to ECU fuse blown


So I just got a call from an 'anonymous' lister (we'll call him Bill P.
- no - B. Perron that's better), stuck on roadside en-route to a ski
weekend.  Figured I'd post this to give him a homework headstart upon
his return 8-).

He said his car began to misfire, then immediately stalled and would not
start.  No CEL comes on, ala, blown ECU fuse likely.  Least it failed
local and not up in East Bumblefark Maine.

The question is, what blew it?  '95 Avant mit 90k, original coils and
POS's.  When I fried my ECU fuse it was due to breaks in the insulation
on the wires coming out of the (loaned) coilpack cover grounding out.
Wondering what caused his, as that's low miles for such failure, and for
it to happen so fast.  Instant miss, instant failure.

Any insight appreciated, by Bill at least!

-Paul BTDT no thanks again K.

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