naterhater
Member
- Joined
- Jul 2, 2013
- Location
- Portland OR
My car ran, but something didn't seem right. It didn't idle well and the tach was doing strange things. After searching around here i suspected the crank position sensor was failing, so since its only $35 i replaced it. This didn't really change anything. The tach was still doing strange things, and the last time i drove it, it started running worse.
The next time I went to start it, the engine would turn but it wouldn't even try to run on its own. I determined that it is getting fuel but no spark. I started by checking the plugs, definitely not fouled. Then I checked the wires, they all had acceptable resistance. I checked the coil, the primary and secondary resistance are both within spec. The next logical thing to check was the power stage. I checked in the versions of the green book that are available online and could not find the troubleshooting info for EZK 116 so I looked in the other sections and found info for checking what seems to be the same power stage. I verified that the power stage is getting power, ground, and a signal from the ignition computer. Based on this I concluded that the power stage must be the culprit and replaced it with a brand new Bosch unit.
This has not fixed the problem and I am now at a loss. The engine is mechanically sound and it appears as though all of major components of the ignition system are functional. What could I possibly be missing??
The next time I went to start it, the engine would turn but it wouldn't even try to run on its own. I determined that it is getting fuel but no spark. I started by checking the plugs, definitely not fouled. Then I checked the wires, they all had acceptable resistance. I checked the coil, the primary and secondary resistance are both within spec. The next logical thing to check was the power stage. I checked in the versions of the green book that are available online and could not find the troubleshooting info for EZK 116 so I looked in the other sections and found info for checking what seems to be the same power stage. I verified that the power stage is getting power, ground, and a signal from the ignition computer. Based on this I concluded that the power stage must be the culprit and replaced it with a brand new Bosch unit.
This has not fixed the problem and I am now at a loss. The engine is mechanically sound and it appears as though all of major components of the ignition system are functional. What could I possibly be missing??