Question about 2005 Chevrolet Impala
Check fuel lines to injectors and throttle body gasket
Posted on Jun 25, 2015
I would have someone check under the front of car while engine was running. Maybe then a gas leak could be spotted. Did he check the charcoal canister-it's a gas vapor collector from the gas tank, and maybe located at front of car. If the canister is full and not working to purge the canister and send the collected fuel and vapors into the engine, it might be what you are smelling.
Posted on Jan 23, 2013
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Posted on Jan 02, 2017
"Shuts down while driving "-------- This is sudden problem, it can be over heat or loose connection or voltage getting cut or any component getting over heated while driving.------------- This problems are intermttent problems, this are not permanent problems.----------- If its a permanent problem, then car will not start and run fine after few minutes.----------- In this problem the faulty component is not 100% faulty, but its weak component.------------ So to confirm, which part is suddenly nor performing, it has to be tested.------- When you face the problem, at that time, test the voltages, on that time itself.A handy volt meter , will be useful.The voltage needs to be tested from battery, starter, alternator , the ignition coils, the spark plugs and to the ignition switch.----------- Now when car suddenly shuts down at that time does it instantly starts or just turns over but dont start, do you hear fuel pump starting when you turn the key to ON.---------- In some cases this problem relates to O2 sensor.-------- . The o2 sensors are before and after catalytic converter.-------Both the sensors are to be replaced.------ And as per you mentioned your problem, its quite possible that faulty o2 sensor will cause this problem.------ O2 sensor is the part which sends signal to ECM( the cars computer).It sends signal to computer about fuel / air mixture.How and when to send fuel to engine.--------- If o2 sends stops sending signal to cars computer then it will not send the fuel to engine.------- In your case the o2 sensor must be getting overheated and this must be stopping the o2 sensor from sending signal to ECM.But when your car shuts off the sensor gets cool and again it starts working.------ So as per problem, get both the o2 sensors checked and replaced.---------- Also get the crank sensor checked.------------ Getting this possibilities checked will help.Test the possibilities when you face the sudden shut off problems.------- This will help.Thanks.Helpmech.
Posted on Aug 22, 2011
SOURCE: Gas fumes very strong in car.
need to have checked possibly an injector leaking car is not safe to drive if you have a fuel leak. look in engine compartment and see if you can see a leak
Posted on Dec 09, 2008
you probably have the same problem i do with my car. My fuel regulator is leaking. I have to go have it replaced. It has taken us a year to find the problem because after the car is warm it doesn't leak. Good luck with it.....my car is the same year, make, and model. They must have just not made these very well. I have had one problem after another with it.
Posted on Nov 17, 2009
Testimonial: "Thank you so much for your feedback. My fuel regulator was leaking. Got it fixed today and no more fuel smell. Again, thanks so much."
SOURCE: i have a 2005 chevy
No service engine light? A loose gas cap will set a light.
You may want to inspect your fuel filler neck and anything close. For a long while its not uncommon for a person to report the fuel odor issue and have it be where some low life cut a filler neck or puntured a tank to steal fuel. But if that were the case there would usually be a service engine or gas cap light as the systems now days monitor pressures so they can detect leaks in the Evap system.
When you mention a smell though under the hood, do you think the smell could be exhaust? I have seen those manifolds crack. or maybe just a leak from a gasket or exhaust donut.
Posted on Sep 14, 2011
SOURCE: Help with gas fumes smell
Was fuel smell present before you had fuel pump replaced? If yes I would sugest you drop tank and see if fuel vent hose is plugged forcing fuel back pressure line to vent through cap. If fuel smell was not present before you replaced fuel pump and seal. I would suggest you drop tank back out and check all fittings and hose conections. also if you still have old sending unit you could check to make sure they are exactly the same. As Sometimes you have to pull relief valve from old sending unit and install it in the new one, as some sending units wont have one in it. and some will have one that is regulated at a different fuel pressure. hope this helps Vic
Posted on Mar 01, 2012
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