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Old 01-29-2008, 07:29 AM   #16
brcidd
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Re: 01 No Start Got Fuel,spark,compresion

Have you tried swapping the entire distributor?- based on the information below- I'd try that next.....you may have a CKP signal- but may not be valid....

This electronic ignition system is known as a high voltage switch (HVS) distributor ignition system. Trigger information is supplied only by the CKP sensor. The CMP (HVS) is located inside the distributor, and is used for fuel injector sequencing and misfire diagnosis. There is no back-up or by-pass system used, so the engine will not run without a valid CKP input. The PCM signals the coil to fire through the IC module. The resulting secondary energy is distributed to the spark plugs by a conventional distributor cap and rotor assembly

CMP Sensor (HVS) in Distributor
The CMP sensor is located in the distributor base. The distributor is driven by the camshaft and distributes the secondary voltage to the spark plugs through the distributor rotor, cap, and wires. The CMP sensor produces a signal once every revolution of the camshaft. The CMP signal identifies the position of the #1 cylinder relative to the crankshaft
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Old 01-30-2008, 02:46 PM   #17
hog buff
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Re: 01 No Start Got Fuel,spark,compresion

entire distrib has been changed with a known good and both cam /crank sensors are new from gm the van will not run long enough to do a cam/crank sync all with no change
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