No Spark

1649 views
14 replies
4 following
K
No Spark
lowboytrucks avatar
lowboytrucks
+1y
i am not getting any spark to the plugs...but the coil is good...i thinkit might be the EMC(electronic control module)...what do you think
lowboytrucks avatar
lowboytrucks
+1y
ita a 1990 with the carborated 22R
kdcgrohl avatar
kdcgrohl
+1y
ignitor? is there spark at the coil? screwdriver test would be good here.
lowboytrucks avatar
lowboytrucks
+1y
yes is gave me a pretty good shock...but from the coil to the plugs there is nuthin
kdcgrohl avatar
kdcgrohl
+1y
cap. rotor. wires. none of the plugs get fire? probably not wires. cap, rotor.
lowboytrucks avatar
lowboytrucks
+1y
wires, cap , rotor are good...i hate to say it that ECM b/c its a 300.00 part
kdcgrohl avatar
kdcgrohl
+1y
if you have spark going into the cap, then the distributer must distribute it somewhere right? where's it going?
lowboytrucks avatar
lowboytrucks
+1y
well thw coil has power and its not getting to the plugs....and what sends the power fromthe coil to the plugs is the ECM RIght??
kdcgrohl avatar
kdcgrohl
+1y
ecm controls the ignitor controls the coil to the distributor distributes to the plug wires.
lowboytrucks avatar
lowboytrucks
+1y
so the ecmis prob the problem