94SC,code?
#1
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94SC,code?
hi i have a 321,no 18X ignition pulse??, and 361 EST line not toggling????my 94 sc seems to be running half power,with a ign coil miss at idle inconsistently???can anyone please help???thanx
#2
DINOSAURUS BOOSTUS
Expert Gearhead
Sure...fix the problems....lol
(ok..maybe that was only funny to me.)
Any more description or info on the 361 est not toggling.. Not sure what the EST is...
(ok..maybe that was only funny to me.)
Any more description or info on the 361 est not toggling.. Not sure what the EST is...
#3
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Electronic spark timing.
If you have no 18x ignition pulse, you will need to either replace the crank sensor, ICM, or repair the wiring. The 3x and 18x signals are picked up from the interruptor rings on the harmonic balancer by the crank sensor, then passed through the ICM to the PCM, then back to the ICM for spark timing/coil firing.
If you have no 18x ignition pulse, you will need to either replace the crank sensor, ICM, or repair the wiring. The 3x and 18x signals are picked up from the interruptor rings on the harmonic balancer by the crank sensor, then passed through the ICM to the PCM, then back to the ICM for spark timing/coil firing.
#7
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hi there,this 94 of mine doesn't like to start when it'* hot,,which makes me think it'* the module for the coilpack,i m in desparate need for a scanner, i live in ontario ,and have had no luckfinding one because it'* obd1 ecu,with obd2 plug,because of that know up here has one avail,for under $3,000(snap on),,help!,,,
#8
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i was just about to pull of my harmonic balancer,when i noticed it was heavily cracked,would this partly be my problem???are the after market balancers worth the$$$.
#9
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A bad balancer shouldn't affect the crank sensor signal. But sounds like a good time to replace it now. Does your engine make a hellacious clatter at idle?
And please please put your year and trim level in your signature.
And please please put your year and trim level in your signature.
#10
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yes! it does make a clater but i had allways thought it was the sc coupler,,,does anyone have any experiences with after market harmonic???