Question about 1998 Mitsubishi Eclipse
I have power to camshaft and coil pack, replaced ecu (pcm). Turns over just no sprak obviously because there is no power to crank sensor
The crank sensor gets power from the MFI relay just like the injectors and cam sensor do.
Posted on Jan 24, 2013
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Posted on Jan 02, 2017
On this model engine, the power to the coil pack is delivered directly from the power transistors located inside the PCM.
If you are not getting the signal to fire going into the coil, verify you are getting a good waveform from the crank angle sensor, and that the wiring from it to the PCM is intact. If the crank sensor is delivering signal to the PCM, and the PCM is not generating pulse via the internal power transistors, the PCM has failed (the power transistors blow open, it is fairly common on this Chrysler PCM).
Posted on Oct 30, 2009
SOURCE: swapped a 1999 420A engine
first the cam sensor shouldn't be upside down from the 95. they both should be with the plug facing down. they 95 CAS has a different plug than the 99 CAS.
the 95 has round pins and the 99 has flat pins.
also the 95-96 relays are opposite the 97-99
besides that it could be the ecu. i also have heard of the locating pin on the intake cam shearing off, allowing the gear to turn with the timing belt without the actual camshaft spinning.
Posted on Sep 27, 2010
You switched the coil plug with the crankcase sensor. Very common, I just had it happen. Think the ecu is not sending to that coil pack now. Gonna replace the ecu and pray.
Posted on Apr 26, 2012
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