When i start my 2001 hyundai elantra in the morning i have noticed for the last couple of morning that a strong odor of fuel has been coming from the car. what could be the cause of this?
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First you have to determine if its fuel or fire. To check for fuel spray a few seconds of quick start into the air intake. If it starts and then stops. its likely a problem with fuel. If it doesn't start its likely spark or battery problems. Does it turn over?
If your getting fuel which it sounds as though you are, check to see if your getting spark to the plugs. Sounds like an ignition system issue. Not sure about specifics on Hyundai but could be distributor cap, rotor, distributor, crank or cam shaft sensors.
The fuel pressure regulator located on the fuel rail that supplies the fuel injectors must be check for wetness it has a vacuum line going to it if it looks wet replace it if it checks out ok locate and check the purge canister it may be malfunctioning.
The problem you describe has many possible causes. Any number of engine management sensors (which are starting to go bad) can cause this problem, the fuel pump is starting to go bad, the engine computer, wiring, connectors, etc.. the list goes on and on. My experience tells me to tell you to take the vehicle into a Hyundai Service Center and try to get it diagnosed. If successful, they'll give you an estimate of repairs (parts, labor, tax, time-frame, etc.). This way you'll know exactly what's wrong and what's required to fix it. Now, since the problem is 'INTERMITTENT', that makes it tough for the technician unless he/she can discover any DTC (Diagnostic Trouble Codes) stored in the computer (ECM - Engine Control Module) - Did the 'Check Engine" light ever come ON? If so, this will help narrow the search and diagnosis.
They are gas charged shocks, so if they aren't holding, they won't hold in the future. You will either have to "rig" it, or buy new/used units and replace them. It could be just one that is bad (and it is usually really random when they go out), but they only make them just strong enough to hold as a pair.
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