My Hyundai Sonata 2007 Drive Then Stop I Have to Restart to Drive Again
If your Hyundai Sonata is shutting downward while driving, information technology's a real safety hazard. Vehicles are a lot harder to control without power brakes or steering.
Hyundai Sonata Shuts Downwards When Driving: Pinnacle Causes
Directly beneath is a list of the most common reasons why your Sonata would randomly dice while driving. It may help you lot in your diagnosis. But, before taking a look at annihilation, is the bank check engine low-cal on? If information technology is, you'll desire to beginning with whatever trouble code you get from an OBD2 scanner.
Parts stores tin browse it for you if you don't have admission to a scanner. But we don't recommend driving anywhere until your Sonata is stock-still, since dying at the incorrect time can cause a collision.
1. Out of Fuel
Your engine needs three things to run properly; air, fuel, and spark. If your engine is running fine and so it just suddenly dies, one of these three things was abruptly taken away. Information technology'due south usually fuel.
The near common reason that a vehicle shuts off when driving is a lack of fuel. The almost likely cause is an empty fuel tank aided past a fuel gauge that's non every bit authentic as information technology looks. Even if it says there is fuel in at that place, bang on the tank. If it makes a hollow audio, it'due south probably empty.
2. Fuel Pump or Filter
Another common reason that your Sonata may be starving for fuel is a bad fuel pump. The fuel pump is responsible for sending highly pressurized fuel to the fuel track. The engine tin die if the fuel force per unit area is not high enough to properly atomize the gasoline properly.
The fuel pump is often not monitored past the engine'south reckoner, which means it doesn't activate the check engine low-cal when you lot are trying to figure out why the vehicle information technology is randomly dying. This is the all-time place to start.
If the engine isn't starting, turn the key to the on position and heed really carefully. Y'all should hear a whining noise. That's the fuel pump priming the fuel system. If you hear nothing, that is a strong indication that the fuel pump is bad. Since the fuel pump is in the tank, yous may want to get a second set of ears so you can be absolutely sure you don't hear it.
If you don't hear it at all, you should manually check the fuel pressure at the fuel rails. If it is not as high as it should be you either have a bad fuel pump or fuel filter.
The fuel pump may be going out sporadically. This would mean that information technology'll die on the road, and then fire dorsum up again fifty-fifty a few seconds after.
three. Battery Cables
Check the battery cables to ensure that they are free of droppings and are bolted to the battery posts properly. Follow the blackness basis cablevision to whatsoever information technology is connected to. Make sure that it is secure and there's no corrosion or rust that could be keeping information technology from making a solid ground connectedness.
4. Engine to Chassis Basis
The engine needs a strong ground to the chassis in order for your Sonata's various electrical systems to work. If that cable is corroded, there could exist problems such as misfiring, slow/no starts, or even the engine dying while driving. This is a common cause of many "gremlins".
five. Bad Alternator
The alternator is responsible for charging the battery, and keeping your Sonata running. If the alternator goes bad, the vehicle will run off of the ability supply in the battery (which is at that place mostly for starting the vehicle and as a fill-in reserve).
One time the bombardment has been depleted, the ignition system will no longer be able to fire properly. You should run across either a battery low-cal or alternator light long before the engine dies. If you lot didn't see it, it'southward highly unlikely that the alternator or bombardment is at fault. If you did see the warning lite, accept the alternator and battery tested at the parts store. Replace them as needed.
half dozen. Issue With Sensors
The crankshaft and camshaft sensors are responsible for telling the engine where the crank and cam are located in their 360° revolutions. If they cease reporting this data, even momentarily, the vehicle will not know when to fire the spark plugs and information technology'll terminate running.
The mass air flow sensor can also get bad. These sensors should trigger a trouble lawmaking if they have a problem through.
Conclusion: Hyundai Sonata Dying While Driving
In the absence of a check engine light, take a good hard look at the fuel pump. If that'south not the issue, we recommend having an experienced mechanic take a look at the problem. They'll demand to record the telemetry from the OBD2 arrangement when the car does it again. Then, they'll be able to determine which part of the vehicle has the problem. This is a DIY site, nosotros inappreciably always throw out the mechanic recommendation. This can be tough to rails
If at that place's anything that y'all would like to add that could assistance the next person with their Sonata, please leave a comment below.
Source: https://www.700r4transmissionhq.com/hyundai-sonata-shuts-off-when-driving/
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