I got my Compass fixed. The evap canister had a small crack in it at the rear of the canister. Replaced that and that took care of my gas filling problem.
i hope this is my issue...
got the same filling problem in my wifes compass, just started out of no where a few weeks ago at 105,000 miles. i was about to buy an evap canister and replace it but it seems like there is a few things it could be and gas tank is one of them.
I found the test method for the slow filling problem on a jeep liberty, guessing it would be the same on a compass. problem is you need to be at a pump to check everything off the list as you follow the instructions. might just take the stealership
and pay for them to figure it out.
anyway i pasted below the TSB jeep put out on the slow gas tank filling and the procedure to check whats wrong, (its for the jeep liberty)
Here's a TSB from 2009:
NUMBER: 14-001-09 REV. A
DATE: September 1, 2009
THIS BULLETIN SUPERSEDES TECHNICAL SERVICE BULLETIN 14-001-09, DATED APRIL 15, 2009, WHICH SHOULD BE REMOVED FROM YOUR FILES. THIS IS A COMPLETE REVISION AND NO ASTERISKS HAVE BEEN USED TO HIGHLIGHT REVISIONS.
Hard To Fill With Fuel Or Fuel Nozzle Shuts Off Repeatedly
NOTE : This bulletin applies to all vehicles equipped with a gasoline engine.
Customer may report that the vehicle is hard to fill with fuel or that the fuel pump nozzle shuts off repeatedly while trying to fill vehicle.
This customer complaint can occur due to a number of different causes. The fuel tank is the least likely cause of this condition. The following Diagnostic procedure can be used to diagnose the issues.
1. Is the vehicle a LX/LE/LC/L2?
a. Yes >> proceed to Step # 2
b. No >> proceed to Step # 4
2. Idle the vehicle 60 to 90 seconds upon stopping.
3. Does tank refill properly?
a. No >> proceed to Step # 4
b. Yes >> Inform the customer to idle the vehicle for 60 to 90 seconds upon stopping if vehicle was driven aggressively. This is due to the fact that on the LX/LE/LC/L2 the fuel tank is a unique saddle tank design and needs 30 to 60 seconds while the engine is running to level the fuel in both half's of the fuel tank. Allowing the vehicle to idle for this amount of time will let the fuel pump transfer fuel to the left side tank, opening the control valve and allowing normal fuel filling.
4. Disconnect the vapor recirculation tube at the fuel tank.
5. Attempt to refill fuel tank.
6. Does tank refill properly?
a. Yes >> Proceed to Step # 7
b. No >> Proceed to Step # 11.
7. Reconnect the vapor recirculation tube at the fuel tank.
8. Disconnect the other end of the vapor recirculation tube at the fuel filler tube.
9. Attempt to refill fuel tank.
10. Does tank refill properly?
a. Yes >> Replace fuel filler tube.
b. No >> Replace the vapor recirculation tube.
11. Disconnect the control valve to EVAP canister tube at the fuel tank.
12. Reconnect the vapor recirculation tube at the fuel tank.
13. Does tank refill properly?
a. No >> Replace Fuel Tank.
b. Yes >> Proceed to
14. Reconnect the control valve to EVAP canister tube at the fuel tank.
15. Disconnect the control valve to EVAP canister tube at the EVAP canister.
16. Attempt to refill fuel tank.
17. Does tank refill properly?
a. Yes >> Blockage is in the EVAP Canister, or ESIM, or Clean air hose (ESIM vent hose), or filter. Diagnose appropriately.
b. No >> Replace the control valve to EVAP canister tube.