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 MANUALSMERCURY1998SABLE V6-3.0L DOHC VIN SREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTESTING AND INSPECTIONMONITORS, TRIPS, DRIVE CYCLES AND READINESS CODESDRIVE CYCLEMONITOR REPAIR VERIFICATION DRIVE CYCLESEVAP RUNNING LOSS SYSTEM REPAIR VERIFICATION
1998 Mercury Sable V6-3.0L DOHC VIN S
EVAP Running Loss System Repair Verification
1998 Mercury Sable V6-3.0L DOHC VIN SSECTION EVAP Running Loss System Repair Verification
1. Perform the Preparation for OBD II Drive Cycle.
2. With the scan tool, verify the FTP V PID reads between 2.4 and 2.8 volts with the gas cap removed. Reinstall gas cap.
3. With the scan tool, view the OBD II monitors through the On-Board System Readiness Menu.
4. Drive the vehicle at a constant speed between 56 kph (35 mph) and 104 kph (65 mph) with throttle as steady as possible. Observe the Heated Oxygen Sensor (HO2S) monitor on the scan tool until it completes (or refer to the Fuel Monitor or HO2S Monitor repair Verification Drive Cycle).
5. Bring the vehicle to a stop and access the following PIDs with the scan tool: IAT, FLI, FTP, V, EVAPPDC, EVAPCV
6. Verify the following EVAP monitor entry condition: IAT between 10-38°C (50-100°F).
7. Drive the vehicle on the highway with a constant speed over 64 kph (40 mph) with throttle as steady as possible. During this time, verify the following additional EVAP monitor entry conditions using the FL and FTPV PIDs:
- FLI stable ± 5% between the limits of 15% and 85% tank fill.
- FTP V stable within ± 0.1 volt.
8. To initiate the EVAP monitor, the EVAPPDC PID must increase to at least 75% (canister purge vent open). At this time, the EVAPCV PID will then display 100% (canister vent solenoid closed to seal the system and the monitor will begin to run. Continue to drive at steady throttle with light steering until the EVAPCV displays 0% (canister vent solenoid open, system unsealed). If this step does not occur as described, proceed to the following note, otherwise proceed to Step 9.
NOTE: During the drive cycle or hot ambient temperatures, fuel vapor (from the canister and/or tank) may keep the test from starting. This can be observed on the scan tool when either:
1. The EVAPPDC PID never reaches 75% with stable FL and FTP PID readings.
2. The EVAPCV PID never goes to 100% (canister vent never closes) when the EVAPPDC PID is above the 75% minimum to start the test.
9. Bring the vehicle to a stop.
10. With the scan tool, view the EVAP monitor for completion through the On-Board System Readiness Menu. Repeat Step 7 if the EVAP monitor is not complete.
2. With the scan tool, verify the FTP V PID reads between 2.4 and 2.8 volts with the gas cap removed. Reinstall gas cap.
3. With the scan tool, view the OBD II monitors through the On-Board System Readiness Menu.
4. Drive the vehicle at a constant speed between 56 kph (35 mph) and 104 kph (65 mph) with throttle as steady as possible. Observe the Heated Oxygen Sensor (HO2S) monitor on the scan tool until it completes (or refer to the Fuel Monitor or HO2S Monitor repair Verification Drive Cycle).
5. Bring the vehicle to a stop and access the following PIDs with the scan tool: IAT, FLI, FTP, V, EVAPPDC, EVAPCV
6. Verify the following EVAP monitor entry condition: IAT between 10-38°C (50-100°F).
7. Drive the vehicle on the highway with a constant speed over 64 kph (40 mph) with throttle as steady as possible. During this time, verify the following additional EVAP monitor entry conditions using the FL and FTPV PIDs:
- FLI stable ± 5% between the limits of 15% and 85% tank fill.
- FTP V stable within ± 0.1 volt.
8. To initiate the EVAP monitor, the EVAPPDC PID must increase to at least 75% (canister purge vent open). At this time, the EVAPCV PID will then display 100% (canister vent solenoid closed to seal the system and the monitor will begin to run. Continue to drive at steady throttle with light steering until the EVAPCV displays 0% (canister vent solenoid open, system unsealed). If this step does not occur as described, proceed to the following note, otherwise proceed to Step 9.
NOTE: During the drive cycle or hot ambient temperatures, fuel vapor (from the canister and/or tank) may keep the test from starting. This can be observed on the scan tool when either:
1. The EVAPPDC PID never reaches 75% with stable FL and FTP PID readings.
2. The EVAPCV PID never goes to 100% (canister vent never closes) when the EVAPPDC PID is above the 75% minimum to start the test.
9. Bring the vehicle to a stop.
10. With the scan tool, view the EVAP monitor for completion through the On-Board System Readiness Menu. Repeat Step 7 if the EVAP monitor is not complete.
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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.