Ok, I have an 85 supra with the 5M-GE in it. when I bought the car it started and ran BUT it had serious blow-by and smoked worse than a Jimmy Hendrix concert. So I had the motor rebuilt and had it bored out to .40 over. New piston heads, new plugs, new crank, new wires, new vac hoses, cold air intake, new distributor, new coil....
Now, I have fuel pressure, oil pressure and starter is strong. the timing is perfect AND the distributor is timed. however I am getting very weak spark when I first turn the key and then no spark at all.
Since I have a new coil I am thinking it is the Ignition Control Module... TRUST ME distributor is timed and gapped perfectly.
also when the car sits for a few minutes i will turn the key to the ON position NOT START and the motor will try to turn over!!! I took the coil cable off the distributor and placed it near the intake manifold and recreated the even and sure enough when in the ON possition it threw a strong blue arch to the intake manifold for about 2 seconds and then dissapeared (this all being accompanied by a very ominous sounding buzzing)...
Question is, is my "ICM" bad or does it have a bad ground pulse... and where does this ground pulse come from in the first place!
Pleace help... thank you in advance
Now, I have fuel pressure, oil pressure and starter is strong. the timing is perfect AND the distributor is timed. however I am getting very weak spark when I first turn the key and then no spark at all.
Since I have a new coil I am thinking it is the Ignition Control Module... TRUST ME distributor is timed and gapped perfectly.
also when the car sits for a few minutes i will turn the key to the ON position NOT START and the motor will try to turn over!!! I took the coil cable off the distributor and placed it near the intake manifold and recreated the even and sure enough when in the ON possition it threw a strong blue arch to the intake manifold for about 2 seconds and then dissapeared (this all being accompanied by a very ominous sounding buzzing)...
Question is, is my "ICM" bad or does it have a bad ground pulse... and where does this ground pulse come from in the first place!
Pleace help... thank you in advance