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Check for spark at the coil first for a spark. if ok check for spark on the ignition leads at the spark plug.if ok take off the leads one at a time remove the spark plug .smell it for fuel .if smell found .chnge your spark plugs.
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Get codes read at parts store or get friend with scanner to check them. Note: you should not smell fuel in throttle body as fuel never goes there. Could be bad crank sensor/cam sensor, fuse for ignition, module, others.
If the oil cap smells like gas, one of the injectors may be flooding the cylinder and the crankcase. That would not be a filter problem.
Check the spark plugs to see if they are wet.
If your not getting the MIL- engine light coming on and you can smell gas and you had the fuel pump replaced. I would sespect the electronic ignition module of being intermintent. It wouldn,t necessarily show as an engine code and would make it so the vehicle would run find one munite and not run the next The other thing you could check is the fuel filter however i can,t see a mechineic not changeing this with the fuel pump
It should not smell like gas unless the engine is REALLY flooded. But todays computer controlled cars won't allow that. I think you have a fuel leak somewhere.
this suggests you have a fuel leak in the engine compartment. Possibly a leaking fuel manifold (injection rail), or the rubber line from the fuel tank is leaking where it attaches to the manifold. The fuel line to the cold start injector should also be checked. Rubber hoses on older cars become brittle and as they contract from very cold weather will leak. Turn the key to on for 1 minute but do not start the car. Then check under the hood for a raw fuel wet spot where the leak is.
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