Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET1998ASTRO VAN 2WD V6-4.3L VIN WREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSCRANKSHAFT POSITION SENSORTESTING AND INSPECTION
1998 Chevrolet Astro Van 2WD V6-4.3L VIN W
Crankshaft Position Sensor: Testing and Inspection
1998 Chevrolet Astro Van 2WD V6-4.3L VIN WSECTION Testing and Inspection
^ The scan tool scan tool displays crankshaft position sensor data as engine speed (RPM). An error in the crankshaft position sensor circuit should set a DTC P0336, P0337, P0338, or a P0339. The crankshaft position sensor provides a signal through the ignition control module which the VCM uses as reference to calculate RPM and crankshaft position.
^ DTC P0336 CKP Sensor Circuit Performance
^ DTC P0337 CKP Sensor Circuit Low Frequency
^ DTC P0338 CKP Sensor Circuit High Frequency
^ DTC P0339 CKP Sensor Circuit Intermittent.
For the above DTC's Refer to Diagnostic Tables / Diagnostic Trouble Code Tables. Testing and Inspection
^ DTC P0336 CKP Sensor Circuit Performance
^ DTC P0337 CKP Sensor Circuit Low Frequency
^ DTC P0338 CKP Sensor Circuit High Frequency
^ DTC P0339 CKP Sensor Circuit Intermittent.
For the above DTC's Refer to Diagnostic Tables / Diagnostic Trouble Code Tables. Testing and Inspection
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.