ok the coil produces spark the distributer directs it but check and see if the cap and rotor are dirty if the coil is bad or if you have a bad ground
It "tells" the computer the rational location of the distributor for spark timing.
1990 ford truck no spark
its inside the distributor.
.045
1990 Nissan/Datsun Truck D21 Truck 2WD 2.4L FI 4cylThe Spark Plug Gap.044 (In thousandths of an inch)
It would be helpful to know what year vehicle you have as there are two different ignition systems used on the Chevy Celebrity. Possible reasons for not getting spark in a distributor equipped engine: 1982 to 1986 Distributor cap or rotor defective Reluctor failed Pickup coil failure Ignition module failed wiring or plug in connections loose corroded or failed Coil failed, or coil wire to distributor failed No power to the distributor or coil Possible reasons for not getting spark in a distributor less system: 1987 to 1990 Failed crankshaft position sensor Failed ignition module Failure in wiring or engine computer
YES! If you have tried a major tune up to include: spark plugs, distributor cap , rotor, wires, and fuel pump and the truck still idles rough and stalls at stop signs then it is the TFI ignition modual located on the side of the distributor.
The marked # 1 position on the distributor cap faces to the FRONT / CENTER
change distributor cap and rotor
1-3-4-2 Distributor rotates clockwise.
The ignition module is located in the distributor
could be a bad coil but a distant second is a badly cracked distributor cap.