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Originally Posted by ProwlerGT
Yeah, removing the spark plug wires isn't happening. Its no fun to have to remove the tb and intake plenum just to be able to do that.
What is the CAS? Where is the CAS?
One of these/ if so which?
Camshaft position sensor
Crankshaft position sensor
OH and we're sure removing it won't break anything?
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Crankshaft Angle Sensor. On the 95, it should be one of the plugs between the front and rear cam gear/timing belt covers. The one where the wire goes to the rear cam gears is the camshaft sensor, the one where the wire runs downwards is the crank sensor (should be on the left/closest to front bumper).
No disconnecting it won't hurt anything. When there is no CAS input to the ECU, it cuts spark and fueling. That way you can crank the starter and it won't start AND you won't have raw unburnt fuel washing down the cylinders like you would if you simply cut spark. Or I should say there's no harm as long as there's nothing else that would damage the engine from cranking it. ie. if you have the timing belt off or something it's obviously STILL not safe to crank the engine just because you unplugged the CAS.
In fact, unplugging the CAS is the easiest way to prevent the engine from firing when you're doing a compression test. Remove sparkplugs, screw in compression tester, unplug CAS, turn key in ignition and allow starter to crank 5-6 times, read compression. Move to next cylinder, repeat.
Max