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.
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HOMESERVICE MANUALSCHEVROLET2000S10/T10 P/U 2WD V6-4.3L VIN WREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSINFORMATION BUSTESTING AND INSPECTIONSCAN TOOL TESTING AND PROCEDURESSERIAL DATA COMMUNICATIONSON-BOARD DIAGNOSTIC TESTS
2000 Chevrolet S10/T10 P/U 2WD V6-4.3L VIN W
On-Board Diagnostic Tests
2000 Chevrolet S10/T10 P/U 2WD V6-4.3L VIN WSECTION On-Board Diagnostic Tests
A diagnostic test is a series of steps which has a beginning and an end. The result of which is a pass or fail reported to the diagnostic executive. When a diagnostic test reports a pass result, the diagnostic executive records the following data:
^ The diagnostic test has completed since the last ignition cycle.
^ The diagnostic test has passed during the current ignition cycle.
^ The fault identified by the diagnostic test is not currently active.
When a diagnostic test reports a fail result, the diagnostic executive records the following data:
^ The diagnostic test has completed since the last ignition.
^ The fault identified by the diagnostic test is currently active.
^ The fault has been active during this ignition cycle.
^ The operating conditions at the time of the failure.
^ The diagnostic test has completed since the last ignition cycle.
^ The diagnostic test has passed during the current ignition cycle.
^ The fault identified by the diagnostic test is not currently active.
When a diagnostic test reports a fail result, the diagnostic executive records the following data:
^ The diagnostic test has completed since the last ignition.
^ The fault identified by the diagnostic test is currently active.
^ The fault has been active during this ignition cycle.
^ The operating conditions at the time of the failure.
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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.