T O P I C R E V I E W
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MR. STALLION
Member # 374
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posted
Pulled this code from a scanner on a friends car. P044 Evaporative Emmission System Purge Control Valve Circuit Open
Anyone know what the hell this means??? The car was in an accident about 2 months ago Runs fine, but the check engine light came on earlier this week. The girl gave me this code & asked me to find out what it means
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st5150
Member # 51
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posted
The evaporative emission system takes fuel vapors in the gas tank and vapors that are stored in the charcoal canister and draws them into the combustion chamber and burns them when the engine is started. At lower RPMs, the control valve is closed and doesn't allow gases into the combustion chamber. At higher RPMs the control valve opens and these gases are drawn into the combustion chamber.
Sounds like your valve isn't opening
I haven't messed with this stuff on 4.6's much, but it sounds like a sensor is either bad or unplugged. Again, I don't know the 4.6L smog system, so I can't tell you where they stuck it under the good. I'd start with the charcol canister. Its usually a black rectangular box the size of a small phone book with tubes going to and from it.
Make sure you post what it really ends up being. [ February 21, 2003, 02:19 PM: Message edited by: st5150 ]
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99gt-UJSTLST
Member # 584
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posted
what year car is it jason if its a 4.6 liks sawson said its tha canister on the passanger side by the fire wall it has one hose comeing out of the back of the intake goin directly to the canister
it may of have gone bad or maybe its unpluged
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MR. STALLION
Member # 374
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posted
Yeah, it's on a 97 or 98GT. The girl works here, so i'll check it and see Is there a way I can tell if something needs to be replaced?
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MR. STALLION
Member # 374
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posted
O.k. I checked it. It's that black bottle looking thing right? I checked the plugs, but no visible damage is there. Is it the plug? Should it be replaced or is it the whole unit?
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