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P1762-GOV PRESS SENSOR OFFSET VOLTS TOO LOW OR HIGH (GAS) (CONTINUED) 3. COMPARE SCAN TOOL GOVERNOR PRESSURE READING TO PRESSURE GAUGE READING Turn the ignition off to the lock position. Connect a 700 kPa (100 psi) Pressure Gauge to the Governor Pressure test port. (Refer to 21 - TRANSMISSION/ Start the engine and allow the engine to idle. Warm the transmission to a normal operating temperature above 43° C (110° F). With the scan tool, read the Governor Pressure and compare the scan tool Governor Pressure reading to the Pres- Does the scan tool Governor Pressure reading match the Pressure Gauge reading within 6.9 kPa (1 psi)? Yes >> Go To 4 No >> Go To 7 4. TRANSMISSION - INTERNAL DAMAGE Turn the ignition off to the lock position. Remove the transmission oil pan per the Service Information. (Refer to 21 - TRANSMISSION/TRANSAXLE/AUTO- Inspect the transmission oil pan for burnt oil and/or excessive debris. Does the transmission contain burnt oil and/or excessive debris? Yes >> Repair internal transmission as necessary. (Refer to 21 - TRANSMISSION/TRANSAXLE/AUTOMATIC - 48RE - REMOVAL) Perform RE TRANSMISSION VERIFICATION TEST VER - 1 (GAS). (Refer to 21 - TRANSMISSION/ No >> Go To 5 5. CHECK INTERNAL TRANSMISSION FOR A FLUID LEAK Inspect the transmission for internal fluid leakage in the Valve Body or the Governor Pressure Solenoid. (Refer to 21 Were there any problems found? Yes >> Repair the internal transmission as necessary per the Service Information. (Refer to 21 - TRANSMIS- SION/TRANSAXLE/AUTOMATIC - 48RE/VALVE BODY - REMOVAL) Perform RE TRANSMISSION VERIFICATION TEST VER - 1 (GAS). (Refer to 21 - TRANSMISSION/ No >> Go To 6 21 - 776 AUTOMATIC TRANSMISSION - 48RE - GAS - ELECTRICAL DIAGNOSTICS DR/DH |