EI07238-Fuel Cap May Not Seal, MIL/SES, DTC P0442 and/or P0455
EI07238 — Fuel Cap May Not Seal, MIL/SES Light Illuminated with DTC P0442–Evaporative Emission (EVAP) System Small Leak Detected and/or P0455– Evaporative Emission (EVAP) System Large Leak Detected
Models: 2005 Buick Rainier 2005 Cadillac STS 2005–2006 Cadillac XLR, XLR-V 2004 Chevrolet Express 2005–2006 Chevrolet Corvette 2005 Chevrolet TrailBlazer, TrailBlazer EXT 2004 GMC Savana 2005 GMC Envoy, Envoy XL, Envoy XUV 2004–2005 Pontiac GTO 2004 Saturn ION 2004–2005 Saturn VUE with 2.0L, 2.2L, 2.3L, 2.8L, 3.5L, 4.2L, 4.4L, 4.6L, 4.8L, 5.7L, 6.0L or 7.0L Engine (VINs 4, A, D, E, F, G, S, U, V — RPOs LJ3, LC3, L61, LK9, LP9, L66, LH2, LL8, LR4, LS1, LS2, LS7) Attention: Proceed with this bulletin ONLY if the customer has commented about this concern AND the EI number is listed in GMVIS. If the customer has not commented about this condition or the EI does not show in GMVIS, disregard the bulletin and proceed with diagnostics found in the published Service Information. THIS IS NOT A RECALL—refer to Service Bulletin 04-00-89-053A for more detail on the use of Engineering Information Bulletins. ________________________________________ ____________________________________ This bulletin is being revised to add additional models and model years and new contact information. Please discard Corporate Bulletin Number 07-06-04-022A (Section 06 — Engine/Propulsion System) ________________________________________ ___________________________________ Condition Some customers may comment on a Service Engine Soon (SES) Light illuminated on the IP cluster and the fuel cap does not seal or tighten. Technicians may find DTC P0442 and/or P0455 set. What Action to Take GM Engineering is attempting to determine the root cause for fuel caps not sealing and/or setting codes P0442 or P0455. GM Engineering has a need to obtain information first hand from the dealer technician during diagnosis and before repair. As a result, this information will be used by engineering to "root cause" the customer's concern and develop/validate a field fix. Please follow the instructions below regarding the requested information. Instructions Important: If a vehicle is encountered with the above concern, complete the following steps; making sure all the information is documented on the Repair Order. 1. Verify that the VIN and mileage is accurate. 2. Accurately document the customers concern. If the SES light is illuminated, record the Diagnostic Trouble Codes (DTC) using a Tech 2®. • If DTC P0442 - Evaporative Emission (EVAP) System Small Leak Detected is stored, proceed to diagnosis DTC P0442 in SI. • If DTC P0455 - Evaporative Emission (EVAP) System Large Leak Detected is stored, proceed to diagnosis DTC P0455 in SI. • If diagnostics lead to repair other components not related to the fuel tank filler pipe neck or fuel cap, repair accordingly and disregard this bulletin. 3. If the diagnostics lead to a leak at the fuel tank filler pipe neck or the fuel cap area, inspect for the following conditions: • Inspect the condition of the fuel cap by looking for small cracks or any damaged components. • Inspect the fuel cap seal for distortion or cuts. • Inspect the fuel filler neck sealing surface for gouges or dents produced accidentally by a fuel nozzle. 4. Contact the appropriate GM Engineer once the vehicle has been diagnosed and before repairing the vehicle for further instructions. Engineer Contact Information Contact the appropriate GM Engineer from the list below before repairing the vehicle. GM Engineer Shannon Fahy may be used as a secondary contact. GM Engineering may visit dealerships near the Southwest Michigan area. In either case, you will receive a response back within 2 hours on what action to take the same day of your call (Eastern Daylight Time). Warranty Information Important: DO NOT use the labor operation listed below if engineering did not respond. For vehicles repaired under engineering direction, use: Labor Operation Description Labor Time L9714* Engineering Information-Fuel Cap and Filler Pipe – Replace Corvette/XLR 1.8 hrs Express/Savana 0.8 hr GTO 0.7 hr Envoy/Rainier/ TrailBlazer/VUE 1.0 hr STS/ION 1.4 hrs *This labor operation number is for bulletin use only. This number will not be published in the Labor Time Guide. |
I just started having this problem! I've been noticing that my gas cap doesnt always seem to close or tighten. I also rcvd a check fuel cap warning on the DIC. I havent had time to go to the dealer yet, but will soon. Thanks for the info. I thought I was crazy!:crazy:
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Bob
Yes, a gas cap!! I too have a gas cap that will not seal, I am taking the car to the dealer right now and was VERY surprised that the gas cap failed!!
Last night I tried to understand how to remove the failed gas cap off and I can't see how to get it off. So I will head to the Chevy dealer. A gas cap --- surprised me!! |
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