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.
1995 Chevrolet S10/T10 P/U 4WD V6-262 4.3L VIN W CPIFACTORY OEM SERVICE PROCEDURE
With Powertrain Control Module (PCM)
TYPICAL TECH 1 SCAN DATA VALUES
The Tech 1 scan data listed in this table may be used for comparison after completing the On-Board Diagnostic System Check and finding the on-board diagnostics functioning properly with no Diagnostic Trouble Codes (DTC) displayed. The "Typical Tech 1 Data Values" are an average of display values recorded from normally operating vehicles and are intended to represent what a normally functioning system would display. The values you get may vary due to low battery charge or other reasons, but they should be very close.
A SCAN TOOL THAT DISPLAYS FAULTY DATA SHOULD NOT BE USED, AND THE PROBLEM SHOULD BE REPORTED TO THE MANUFACTURER. THE USE OF A FAULTY SCAN TOOL CAN RESULT IN MISDIAGNOSIS AND UNNECESSARY PARTS REPLACEMENT.
Only the parameters listed below are used in this section for diagnosis. If a scan tool reads other parameters, they may apply to information in another section. If all values are within the range illustrated and a problem exists, refer to "Diagnosis By Symptom".Testing and Inspection
Part 1 of 2
Part 2 of 2
The Tech 1 scan data listed in this table may be used for comparison after completing the On-Board Diagnostic System Check and finding the on-board diagnostics functioning properly with no Diagnostic Trouble Codes (DTC) displayed. The "Typical Tech 1 Data Values" are an average of display values recorded from normally operating vehicles and are intended to represent what a normally functioning system would display. The values you get may vary due to low battery charge or other reasons, but they should be very close.
A SCAN TOOL THAT DISPLAYS FAULTY DATA SHOULD NOT BE USED, AND THE PROBLEM SHOULD BE REPORTED TO THE MANUFACTURER. THE USE OF A FAULTY SCAN TOOL CAN RESULT IN MISDIAGNOSIS AND UNNECESSARY PARTS REPLACEMENT.
Only the parameters listed below are used in this section for diagnosis. If a scan tool reads other parameters, they may apply to information in another section. If all values are within the range illustrated and a problem exists, refer to "Diagnosis By Symptom".Testing and Inspection
Tech 1 Tool Data:
Part 1 of 2
Tech 1 Tool Data:
Part 2 of 2
Factory Service Tools
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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.
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