I had my check engine light reset.
I was told if it came back on it would be the evaporator box in the drivers rear quarter panel and it would be around $200. It apparently feeds fumes back to the engine to use. When I fill up the gas always spews out when full, could that be causeing the problem.
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Re: check engine light
First change the gas cap. and no,spewing gas doesn't cause this problem. pumping gas with the car running can. you could have a leak in one of the lines, so listen for a air leak before you start spending unnessesary money
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its in the HVAC heater core box,
how to remove it is a very long answer.
read the FSM on HVAC
or login to alldata.com see HVAC chapter, and read. it.
anyone can, not just me.
i see this on line,.
Disconnect and isolate the battery negative cable.
Remove first row seat.
Remove second row seat.
Remove sliding door sill trim panel.
Remove quarter trim bolster.
Remove D-pillar trim panel.
Remove first row seat belt anchor.
Remove second row seat belt anchor.
Remove screws attaching quarter trim to quarter panel from bolster area.
Remove screws attaching rear edge of quarter trim to attaching bracket.
Disengage hidden clips attaching front of quarter trim to quarter panel rearward of sliding door opening and at locators.
Remove quarter trim from quarter panel.
Disconnect speaker wire connector on LWB quarter trim panel with rear air conditioning.
Pass second row seat belt through slot in trim panel on long wheel base vehicle.
Pass first row seat belt through slot in trim panel.
Remove quarter trim panel from vehicle.
Remove the two screws that secure the top of the quarter trim panel attaching bracket to the quarter inner panel.
Remove the screw that secures the back of the rear heater-A/C unit housing to the right D-pillar.
Remove the screw that secures the front of the rear heater-A/C unit housing to the right quarter inner panel.
Carefully pull the top of the rear heater-A/C unit housing away from the right quarter inner panel far enough to reach between the rear heater-A/C unit housing and the quarter inner panel to access the blend door actuator.
Remove the two screws that secure the blend door actuator to the rear heater-A/C unit housing.
Pull the blend door actuator away from the rear heater-A/C unit housing far enough to disengage the actuator output shaft from the blend air door pivot.
Raise the blend door actuator far enough to access and disconnect the rear HVAC wire harness connector for the actuator from the actuator connector receptacle.
Remove the blend door actuator from between the rear heater-A/C unit housing and the quarter inner panel.
thermastatic expansion vavle in the rear evaporator. If you are familiar and comfortable working on chevy's - Replace the vavle located on the high side line on the rear evaporator. You have to pull the right rear quarter panel. Remove rear evaporator case on bolt valve and replace vavle. Reinstall and charge the system.
That code is "evaporative emission control system leakage. (evap. canister system)"
this code takes at least two drive cycles to set. You can try to reset the engine light and emission computer and clear the code and see if the code resets. If it stays clear, it was probably a spurious code. To reset the engine light and emission computer, pull the No. 13 "clock/backup" (7.5A) fuse in the front passenger's kick panel fuse box. Wait at least 10 seconds. Put the fuse back in. This should put the check engine light out. If the light comes back on after two drive cycles (that is; start, run for a while, turn off X 2) have it checked out by a mechanic.
Retractor and Tongue—Sedan
SPECIAL SERVICE TOOL(S) REQUIRED
Safety Belt Bolt Bit
T77L-2100A NOTE: Safety Belt Bolt Bit T77L-2100-A should be used for safety belt removal and installation.
Remove rear seat cushion. Refer to Section 01-10 .
Seat Cushion, Rear
Apply knee pressure to lower front portion of the rear seat cushion. Push rearward to disengage rear seat cushion pad and frame (600A88) from rear seat cushion front retainers (63370).
Remove rear seat cushion from vehicle.
Remove rear seat back. Refer to Section 01-10 .
Seat Back, Rear
60/40 Split Bench—Sedan Removal
NOTE: Safety belt bolts do not secure seat back to vehicle.
Remove rear seat cushion as described.
Fold down back seat and remove two bolts in the center of each seat back striker plates.
Remove two bolts from outboard rear seat back frame retaining brackets.
Lift seat back up and pull forward to remove from vehicle.
Remove panel (52018) and quarter trim panel (31012). Refer to Section 01-05 .
Trim Panel, Quarter—Sedan
Remove rear seat. Refer to Section 01-10 .
Pull up on rear section of rear door scuff plate that overlaps lower quarter trim panel.
Pull lower quarter trim panel away from body.
Remove safety belt retaining bolt.
Feed safety belt through lower quarter trim panel.
Remove safety belt anchor plate-to-sill bolt from quarter panel.
Remove retractor anchor nut and retractor from rear quarter panel.
Remove upper seat belt anchor bolt and anchor from upper rear quarter panel.
Slide anchor plate end of safety belt through the openings in the quarter trim panel.
Remove outboard front safety belt retractor and tongue (611B08) from the vehicle.
Bolt (Part of 611B68)
Upper Rear Quarter Trim Panel
Retractor and Tongue
Rear Quarter Panel (Part of Body)
Lower Rear Quarter Trim Panel
Mounting Stud (Part of Body)
Remove seat belt anchor bolt and retractor and tongue from rear deck panel.
To install, reverse Removal procedure.
Make sure the safety belt webbing is not twisted. If it is, remove the twist.
Tighten retractor anchor bolt and safety belt anchor plate-to-sill bolt to 34-46 Nm (25-33 lb-ft).
I've done this many times
You will need a tubing cutter
I think a 7 or 8mm socket
the appropriate amount of heater hose
cut the steel heater line at the front in a place you can get access to,leave yourself enough steel hose on the rear to allow you to put the heater hose on cut off the steel hose and discard, and use 2 hose clamps on either end do the same for the other heater hose,this way is cheap and easy and permanant.Be sure that when you run the heater hose keep it away from hot or moving parts,use the zip ties to fasten it along the way,this should take about a half hour or so depending on your skills and working conditions,remember to buy some antifreeze to top up the system because you are going to spill some,remember to clean any spills animals love it and it is deadly.