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12-24-2001, 03:05 PM | #1 |
Registered Member
Join Date: Dec 2001
Location: Chesapeake, Va
Posts: 3
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Check engine light after refueling
I have a 1990 Mustang LX 5.0. Haven't had it long, just a couple of months. In that time, I've put maybe 500 miles on it. Today, I took it out to stretch the horses and fill up the tank. Well, like an idiot, I overfilled. When I started the car back up, the check engine light came on. Could this have come on just by overfilling the tank? I tried a reset and the light came back on. Seems to me I read somewhere that overfilling the tank can cause this warning light to come on. Also happens when the gas cap isn't tight.
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12-24-2001, 05:55 PM | #2 |
Registered Member
Join Date: Jul 2001
Location: Taxachusetts
Posts: 374
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I believe overfilling the tank can cause damage to the charcoal canister, or something like that.
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Stripped-down '93 LX Coupe -- "Danielle" R.I.P. 05/30/02 "I've seen some crazy stuff in my life, but that...was...AWESOME!!! Oh, sorry about your car, man." |
12-25-2001, 11:28 PM | #3 |
Registered Member
Join Date: Aug 2001
Location: Louisville, KY, USA
Posts: 48
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Fuel backups into the vapor purge line and causes the charcoal canister to read no vacuum. This should reset itself after the fuel level drops and a few engine cycles pass.
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88 NMRA Pure Street coupe 95 GT-heads, cam, exhaust, intake, road-race suspension 97 Taurus SHO-K&N, ported meter 95 Escort GT-Pacesetter header & exhaust, Weapon R intake tube |
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