× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
2003 Chevrolet Trailblazer LS 4.2L Cant Fill Fuel Tank
Posted to GM Driveability on 12/12/2009 9 Replies

I had a po440 evap system malfunction found filler neck cracked on inlet of tank. tested evap purge valve ok. tested evap vent valve ok. all lines clear and holding vac when blocking of sections. tested evape sensor in tank normal readings at rest and applying...

9 Replies Received (View Replies)

  Related Documents & Media  2003 Chevrolet Trailblazer LS

 
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Trailblazer LS

VIN 1GNET16S33
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / cannot refill fuel tank
EmissionsOBD-II Compliant
SymptomsCant Fill Fuel Tank
OccursAlways
Misc.Cannot Refill Fuel Tank

Trouble Codes

P0440EVAP System Leak Detected
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Trailblazer LS

VIN 1GNET16S33
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / cannot refill fuel tank
EmissionsOBD-II Compliant
SymptomsCant Fill Fuel Tank
OccursAlways
Misc.Cannot Refill Fuel Tank

Trouble Codes

P0440EVAP System Leak Detected