the ecu sends a signal to the ignition amplifier
which collapses the field in the coil that sends the juice
down the high tension wire to the center of the distributor cap
it goes in through the brush to the rotor through a resistor whence it jumps across a gap to the electrode out of the cap along the HT wire to the spark plug where it jumps the gap
and makes spark.
There is a diagnostic flow chart for the motronic ignition in the manual. It starts with trying an inductive timing light.
This I tried along with everything else. Eventually I changed the coil and the car hasn't quit yet. That was 5 years ago.
The ignition amplifier, aka transistor unit, on the side of the battery boxette is a distant second but still a failable.
Bob
- Original Message -----
From: the505inme
To: peugeot-L@yahoogroups.com
Sent: Friday, February 10, 2006 9:10 PM
Subject: [Peugeot-L] Mi16 no spark
What sends the signal to tell the spark plugs to spark in an Mi16?
Does the signal come from the ECU?
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Received on Sat Feb 11 21:03:48 2006
