The Evolution of EVAP

1. The Evolution of EVAP When do you think charcoal canisters first started appearing on cars? 8/8/2006

2. The Evolution of EVAP Does a Leak Detection Pump (LDP) System use a Fuel Tank Pressure (FTP) Sensor? 8/8/2006

3. The Evolution of EVAP What does an EVAP charcoal canister do ? 8/8/2006

4. The Evolution of EVAP Did you know ? The Evaporative system is the largest plumbing system on the car. 8/8/2006

5. The Evolution of EVAP What do these have in common? ORVR LDP EONV 8/8/2006

6. The Evolution of EVAP Does the canister purge valve open after the engine is shut off? Yes No Sometimes ------- 8/8/2006

7. The Evolution of EVAP Did you know ? Five holes the size of a hair will turn on the “Check Engine” light ! Size does matter ! 8/8/2006

8. The Evolution of EVAP Can you get a “P0442” code on a 2000 or newer vehicle ? 8/8/2006

9. The Evolution of EVAP Can you get a “P0456” code on a 1996 to 1999 vehicle ? 8/8/2006

10. The Evolution of EVAP Does the canister purge valve open after the engine is shut off? Yes No Sometimes ------- 8/8/2006

11. IM240 = ASM = Two-Speed Idle = Evaporative Pressure = $13,787/Ton $ 9,100/Ton $ 5,410/Ton $ 2,100/Ton The Evolution of EVAP Did you know ? This is the cost (To the tax payer ) for the removal of pollutants ! Cost Does Matter 8/8/2006

12. The Evolution of EVAP Does the PCM command the canister vent valve open to purge? Do you know? YES NO . 8/8/2006

13. The Evolution of EVAP Can today’s EVAP systems cause drivability problems? 8/8/2006

14. The Evolution of EVAP Do you know how an EVAP system can cause a P0300 code? 8/8/2006

15. The Evolution of EVAP Does the canister purge valve open after the engine is shut off? Yes No Sometimes ------- 8/8/2006

16. The Evolution of EVAP Does a Leak Detection Pump (LDP) System use a Fuel Tank Pressure (FTP) Sensor? 8/8/2006

17. The Evolution of EVAP Does the PCM command the canister vent valve open to purge? Do you know? YES NO . 8/8/2006

18. The Evolution of EVAP What can make the EVAP system go into purge mode? 8/8/2006

19. The Evolution of EVAP Does a Leak Detection Pump (LDP) System use a Fuel Tank Pressure (FTP) Sensor? 8/8/2006

20. The Evolution of EVAP Did you know ? The Evaporative system is the largest plumbing system on the car. 8/8/2006

21. The Evolution of EVAP Can the PCM command a purge cycle with a greater than 85% fuel level? 8/8/2006

22. The Evolution of EVAP Did you know ? An EVAP leak as small as .020” is over 30 times the allowable exhaust emission standard. 8/8/2006

23. The Evolution of EVAP Can the EVAP system go into purge mode with more than 75% fuel level? 8/8/2006

24. IM240 = ASM = Two-Speed Idle = Evaporative Pressure = $13,787/Ton $ 9,100/Ton $ 5,410/Ton $ 2,100/Ton The Evolution of EVAP Did you know ? This is the cost (To the tax payer ) for the removal of pollutants ! Cost Does Matter 8/8/2006

25. The Evolution of EVAP Do you think that EVAP testing is a BIG part of the future of emissions? 8/8/2006

26. The Evolution of EVAP 2002 Jeep Why is there three wires going to the LDP pump? 8/8/2006

27. The Evolution of EVAP Do you know how to test an LDP EVAP system? 8/8/2006

28. The Evolution of EVAP Do cars today test the EVAP system after the car is shut off? 8/8/2006

29. The Evolution of EVAP What parts of the EVAP system will be damaged when testing with to much pressure? Do you know? 8/8/2006

30. Leak Leak Leak Leak Leak The Evolution of EVAP Which codes are not leak codes? P0442 P0455 P0446 P0456 P0450 YES YES NOT YES NOT 8/8/2006 .

31. The Evolution of EVAP Does the canister purge valve open after the engine is shut off? Yes No Sometimes ------- 8/8/2006