Question about 1996 Toyota T100

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96 t100 3.4 coil melting replaced and did same thing instantly

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  • Jason Willmarth Jul 31, 2010

    That confirms my theory as well and gives me great piece of mind
    Thank you

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Aside from coils being of low quality (internal transistor doesn't sustain the flyback voltage and shortens) or incompatible with the engine (wrong connector pinout) the only possibility I can see is fried ECU output - it keeps ignition signal high which turns the transistor inside the coil on and keeps it on. This will cause the effect you're describing in a matter of seconds. Any of the cylinder is got loose and this is making the spark.Remove and reconnect all injectors back.Clean it properly before reconnecting.And connect it to the proper positions.Then check.If still the same problem then this problem is related to Ecu.Its making the coil to get melted. Get the car scanned by local car service center. Thanks.

Posted on Jul 31, 2010

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