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Old 10-11-2018, 09:57 PM   #1
dualcitizen
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Default Charcoal canister/not starting

92 940 turbo. Yesterday the car ran kind of rough as in it was hesitating/pulsing under acceleration but would smooth out at WOT past 4.5K. This evening I tried driving it again and it barely started and ran quite rough, and not long afterwards, it died. Wouldn't restart. After looking under the hood, I noticed that the charcoal canister was lying on the splash guard, completely disconnected from any hoses. The bracket had broken and it fell down. Hooked the lines back up, but no such luck. Still won't start. All the vac lines are in good shape and in their places.

What should I do from here? There is a short hose on the bottom of the canister that is vented to the atmosphere. I suppose this is how it's supposed to be?
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Old 10-11-2018, 10:07 PM   #2
Texas240
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Just a coincidence. Highly doubtful that those two things are related
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Old 10-12-2018, 10:35 AM   #3
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Any ideas of how to start troubleshooting? It fires once or twice after I quit cranking.
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Old 10-12-2018, 10:57 AM   #4
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I'd start with ZVOLV's guide:
https://forums.tbforums.com/showthread.php?t=316437
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Old 10-12-2018, 11:07 AM   #5
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It started this morning, albeit rather rough. That could have been because of repeated cranking last night, possibly flooded. It ran okay, but when I jabbed the throttle it stumbled a bit, then revved. After the engine temp came up, that seemed to go away.

I don't think the issue is fixed yet.
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Old 10-12-2018, 03:57 PM   #6
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Hmm. I epoxied the bracket for the canister back together and reinstalled it, hooked all the lines back up. Running better than ever now. Will see if there are any issues when the engine is cold from sitting overnight.
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Old 10-13-2018, 09:42 AM   #7
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Your vehicle should be LH2.4 so run the under hood diagnostics and see what codes it pulls. Details on HOW TO found on the UK Volvo 700/900 Maint. pages.
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Old 10-14-2018, 04:30 AM   #8
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Quote:
Originally Posted by dualcitizen View Post
Hmm. I epoxied the bracket for the canister back together and reinstalled it, hooked all the lines back up. Running better than ever now. Will see if there are any issues when the engine is cold from sitting overnight.
That is unusual, unless... your fuel pressure is low and it is making it up by sucking it through the vent line or you have a vac leak already and you pushed it over the edge with this. In any case this is not expected behavior. Disconnected lines at the canister should exhibit high idle due to vac leak and a fuel smell in the engine bay.
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