Question about 2002 Hyundai Accent

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I have a 2002 hyundai accent, i could not pump gas into the tank, i found charcoal pellets in the hose from the evap canister to the tank fill neck. I emptied the hose and i can pump gas. now my car is sputtering and missing, the check engine light is on and the prts store said small emissions leak. the engine light starts flashing when it sputters.

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  • Curt Downs May 11, 2010

    Change the charcoal canister, and the fuel filter.

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First GUESS.. replace the charcoal canister after you have cleaned out the hoses between it and the canister. Then blow air between the purge control solenoid valve and the fuel tank.

Posted on Nov 04, 2009

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Where is the overflow vapor senar located


If this is related to the fuel filling, evaporative canister issue, maybe the following will help. Most of the components for the fuel tank are located near the tank itself, with some near the front of the tank and the evaporative canister components behind the driver side rear wheel inside a splash cover.

The biggest problem people complain about is not being able to fill the tank without the pump stopping if the tank is filled at a higher rate than a trickle. This issue is caused by trying to overfill the tank after the fill nozzle has clicked off causing fuel to damage the evaporative charcoal canister clogging it and causing the blow back to the filler neck and fill nozzle, simulating a full tank shut-off of the filling process. This is not exclusive of Hyundai, and gas pumps usually warn of overfilling the fuel tank because of this known result. This evap containment mechanism was developed for the cars to replace the vapor collecting mechanism that gas stations used to use partly for the fill nozzle and collection dangers, now all that vapor is collected and safely burned when the engine is running. The evap canister can be expensive to replace, in the neighborhood of $150 from the dealer, and it's not recommended to try and bypass the system or you can create more issues than you solve.

Visit https://www.hyundaitechinfo.com/ to get service info for your vehicle, it's free and very useful.

If this isn't related to your issue, sorry, maybe you can post more info on what the issue is and how you need help.

Oct 24, 2013 | 2002 Hyundai Accent

1 Answer

Manual for Accent 1.5 2001 says do not top up the gas tank. Why? did not know this and then after I filled up the check engine light came on and then went off and then came on again. What is happening? I...


The vehicle is equipped with an evaporitive emissions system consisting of a charcoal canister which absorbs fuel/galoline vapors when you fill the tank. This charcoal canister is at a level below the height of the fuel filler tube. When you fill the tank up to the filler tube neck, it is actually forcing liquid fuel into the canister and over-saturating the charcoal (which restricts the air flow and can clog the system to the point air can't pass through it). This system is monitored by an OBDII (On-Board Diagnostic II) routine/test which checks the system for proper opeation. There is a valve called the PCSV (purge control solenoid valve) which, when the engine is running, applies a pulsating vacuum to the hose/line which goes to the canister and sucks the vapors that were trapped in the charcoal back to the engine where they are burned. After over-saturation of the charcoal in the canister, the charcoal (in the form of pellets) begin to crumble/disintegrate and will permanently clog/restrict air flow and the check engine light will come on again and the ECU (Engine Control Unit) will set an evaporative emissions code (P0447 or P0448 or P0445)

Sep 06, 2011 | 2001 Hyundai Accent

2 Answers

Gas pump keeps tripping off often


you have a bad charcoal canister. Go underneath the left rear of the car, pull the big hose off the charcoal canister, and if charcoal come out of the hose, replace the canister. This is a common problem w/Hyundai and Kia.

Oct 14, 2010 | Hyundai Sonata Cars & Trucks

3 Answers

Can't get gas into my 2002 Hyundai Accent.


you have a restrictor in the fuel filler neck to stop fuel leaking out if the car overturns,unfortunately it also means you have to hold the fuel gun 1/2 way to stop it shutting off.also to fill right up, you have to rock the car a little when nearly full.autofill guns are only in USA/Canada. you cannot take out thr restrictor......

May 10, 2010 | 2002 Hyundai Accent

2 Answers

2001 hyundai accent, trouble filling gas tank


I have 2002 Hyundai Accent. When fueling, I had to trickle the fuel in to prevent the fuel dispenser from constantly shutting off. Even then I could only get about a quarter gallon at a time between fuel shutoffs. Would take 10-15 minutes to put in 10 gallons. Very frustrating. I found and fixed the problem today. There is a charcoal cannister that is part of the Evaporative Emissions control system. It is located inside the rear fender well on the driver side, behind the driver side rear tire. You cant miss it. Actually looks like a square plastic box and it has hoses coming out of it. I removed the entire charcoal cannister assembly in about 15 minutes. Follow carefully. First, remove the electrical connector to the purge control valve (this valve assemby is mounted to the side of the charoal cannister on a bracket). No big deal. Then disconnect the three hoses that come out from the cannister assembly on the one side that faces the rear tire. Two of these hoses are small diameter about 1/4" and one is larger at about 5/8 inch diameter. Then you remove the 3 bolts that hold the whole cannister to the car frame. Then the whole piece comes out. Once I got the cannister and purge control valve out of the car as a whole assy I found the problem. The larger of the 3 hoses you disconnected as well as the port it connects to on the cannister was packed with the small charcoal pellets and actually formed a solid plug inside that larger hose. I had to stick a screw driver through that hose to knock the plug out that those charcoal pellets had formed. It all makes sense now. When you fill the tank with gas, you also push out air and vapor from the gas tank that is being displaced by the rising fuel in the tank. That vapor is supposed to go through that larger hose to the charcoal cannister where the fumes are removed by the charcoal. If that hose is plugged, like mine was, then the vapor has nowhere to go as you fill the tank and it increases pressure within the tank it causes the fuel dispenser nozzle to shutoff because it keeps detecting a pressure increase within the tank. That's my theory. I don't have the Hyundai design prints to confirm it. I had to tilt the charcoal dispenser so that the pellets came out of that larger hose port on the cannister. Like I said, even the port itself was full of pellets. So I poured out enough to clear the pellets that were in the hose port. I cleaned out the hose. Put everything back and went to go fill with gas. I filled that tank at full bore with no problem. Have the dealer or your mechanic check the ports and the hoses off the cannister. If they are filled with charcoal pellets, that is the problem. That should cost less than some of the fixes I have been reading about here.

Feb 16, 2010 | Hyundai Motor 2002 Sonata

1 Answer

Doesn't let the gas fill easily, keeps shutting off , It takes 10 minuts too filll the tank, Found black pellets in gas line??


The problem is your charcoal canister. It is a common problem with the accents and elantras. The new canister costs about $130 and can be found online or through the dealer. Prob. costs more at the dealer.

Dec 08, 2009 | 2002 Hyundai Accent

1 Answer

2001 Hyundai Santa Fe Error codes BB1,BB2,BB3, BBevap,BBsolenoid. Check engine light is on.


EVAP system is a very COMPLEX system. There is not enough time or space here to adequately diagnose your problem. Components involved are Canister Close Valve, Charcoal Canister, Canister Filter, Purge Contro Solenoid Valve, Fuel Tank Pressure Sensor, EVAP tubes & hoses, Fuel Pump Gasket, fuel tank itself, check valves, Electrical Wiring to and from the ECM and components. Best solution: Pay diagnistic fee and have professionals diagnose problem. This way you'll know EXACTLY what the problem is and what's required to fix it (parts, labor, tax, time-frame, etc.).

Jun 05, 2009 | 2002 Hyundai Accent

2 Answers

Error code p0442


EVAP Emission Control System - Small Leak Detected (1.0 mm). This code can be set when 1. fuel filler cap is not completely tight, 2. when various hoses get punctured or the canister close valve does not seal completely, 3. there is an actual leak in the charcoal canister, fuel tank, or other EVAP system component, 4. if any one of these components are malfunction (a), fuel tank pressure sensor, (b) purge control solenoid valve, (c) canister close valve, or (d) fuel cap. An engine vacuum leak would not set this code.
Solution: Take the vehicle to a Hyundai Dealership for proper diagnosis/repair.

May 23, 2009 | 2001 Hyundai Santa Fe

1 Answer

Fuel fill takes forever on 2003 Hyundai Accent


Sounds like the charcoal canister - replace it.

Apr 21, 2009 | 2003 Hyundai Accent

1 Answer

Hyundai Accent 2003 - gas pump clicks off when tank isn't full.


possible cause could be evap canister full of gas causing back up

Feb 08, 2009 | 2002 Hyundai Accent

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