I had some problems with the crankshaft position sensor connector, with a purple and yellow wire that has light green on it around the plug is. Using the Hayne's Manual Diagnostic Flow Chart, I have not replaced the Ignition pickup coil (camshaft position sensor).

.. Chevrolet S RWD.

GM S-Series Pick-ups and SUV's Repair Guide 1: Typical Crankshaft Position (CKP) sensor wiring diagram-late model L engines (wire color. I had some problems with the crankshaft position sensor connector, with a purple and yellow wire that has light green on it around the plug is.

Your question is the sign of bad crank sensor,you have fire and fuel,but the crank But yours will not crank over, so look for an open circuit in the main power supply and on a GMC Sonoma 4x4 with a 3 Answers.Nov 05,  · 93 GMC Sonoma: pu w/ V6 engine code W, auto schematron.org I have a 93 GMC Sonoma PU w/ V6 engine code W, auto trans, which will crank but not fire cold w/o a squirt of starting fluid. Idles & runs OK, starts OK warm.3/5.

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Tools Needed To Test The Crank Sensor Sensor. Symptoms Of A BAD CKP Sensor.

How The Crank (CKP) Sensor Works. CRANK SENSOR TEST 1: Crank Signal Test. CRANK SENSOR TEST 2: Power Circuit.

CRANK SENSOR TEST 3: Ground Circuit. Where To Buy The Crankshaft Position Sensor. Related Test Articles. Oct 29,  · I took it back to the dealer and they said the crank sensor needed replaced.

After replacing the CKP, it ran OK for a day or two, then the same problem returned. They just replaced the new sensor under warranty, claiming it was a bad sensor, and I'm right back in the same situation again - misfiring above RPM.

The camshaft position (CMP) sensor is a three wire Hall Effect type sensor that needs power and ground to produce a Signal. The cam sensor is located within the distributor assembly and as such, it's rotated by the camshaft. This also means that a cam signal is created and sent to the PCM once every two revolutions of the Crankshaft.Part 1 -How to Test the Crank Sensor (GM L, L, L)Part 1 -How to Test the Crank Sensor (GM L, L, L)