car starts but wont stay running unless foot is on gas

This might be due to the residual debris within the air inlet or another obstruction within the car air passage. E Engine now hates to start after stallingI have to have my foot on the gas and it cranks longer than usual.

Car Won T Stay Running Unless Foot Is On Gas The Grumpy Mechanic

This might be enough to allow the engine to start but not keep running.

. If this valve fails to allow air into the engine the engine wont idle. If a modern Jeep has a completely dead battery the engine wont run for long after removing the jumper cables even if you keep your foot on the gas. Once it starts hold the rpm at about 1200 for a few seconds.

Drive for a few minutes letting up on the the accelerator pedal often so that the computer learns what it takes to keep the engine running. Withoutknowing if the check engine light is on it could be a variety of things including but not limited to the o2 sensor throttle positioning sensor and the MAF and MAP sensors. This is controlled by the cars ECM which uses this information to make adjustments to the airfuel ratio.

17 hours agoThis could be from not receiving enough fuel pressure to keep it running. Up to 25 cash back Car starts runs but wont stay running unless you keep peddling the gasconstantly to keep the flow going. Then very slowly lift your foot to let the rpm drop keeping enough throttle for it not to stall.

If you didnt keep your foot on the gas the voltage in the electrical system would drop enough that the car would turn off. Usually what happens is you start the car cold and it wont stay running unless you hold your foot on the gas until the engine warms up. D RPMs did not spike.

C Never been tested but have never had a problem with itShould probably test it though. Some of the symptoms are. Why Car Wont Start Unless I Give It Gas.

A No codes. Every once and a while a worn spot of the battery lead would contact the frame and short out. When you step on the accelerator while starting the engine this opens the throttle plate which allows air into the engine.

Once the battery is charged and its the first time you start it hold the throttle open slightly. Car wont stay running unless foot is on the gas. 1 having difficulties starting the engine without depressing the gas pedal and 2 the engine will have a low idle and probably stall unless you keep your foot on the gas pedal.

Up to 8 cash back The fuel injection system does nothing until the engine is turning starting or running so pressing the pedal before you start will make no difference. Car wont stay running unless foot is on the gas. Car Starts but wont stay running RPM Up and Down.

The ECU will relearn the idle settings after a short period of driving and the engine will start and idle normally. My gauge doesnt work but I was certain I had enough in it and was suprised when I sucked the entire fuel line dry. If water doesnt move or suddenly rushes into the radiator then you probably have a problem with the.

Unlike other hard starting problems related to car battery this trouble indicates that either the mixture of air and fuel is not igniting or the engine is receiving an insufficient amount of air and fuel for combustion. This component helps the engine to protect itself and prevent its performance from getting by the engine temperature. Suppose theres an obstruction within the trail of airflow into the combustion cylinders.

Withoutknowing if the check engine light is on it could be a variety of things including but not limited to the o2 sensor throttle positioning sensor and the MAF and MAP sensors. The problem might be with a defective Idle Air Control valve. Recently I ran out of gas and didnt know it.

BMW ACURA Honda Lexus Toyota. It was caused by a short on one of the battery leads. The alternator puts nothing out if the battery is dead because the alternator requires a 12 volt exciter voltage from the battery for it.

Its the IAC idle air control setting that was lost when the battery went dead. Car Starts but wont stay running RPM Up and Down. Replace if any issues are found.

Car wont stay running unless foot is on the gas. And you will notice that car starts but wont stay running unless the foot is on gas. I think this is what it is called go bad and it wouldnt idle unless I had my foot on the gas.

This is usually caused by the idle air control valve sticking. Make sure the connections are tight and the wires arent cracked or burned looking. The idle air control valve is a small valve on the engines intake system that reads the air intake as it comes into the motor.

Its the IAC idle air control setting that was lost when the battery went dead. And because several car components may lead to this problem lets diagnose each of them. Up to 25 cash back ok.

It hasnt ran right since and bubbles were in the fuel. This issue could be caused by an insufficient amount of fuel reaching the combustion chamber. The engine requires the right amount of air and fuel to mix together for ignition.

Best diagnosed by using an OBDII scanner to scan for codes. For fuel issues start by checking the fuel pressure. B CPS is brand new if it is faulty it wont allow the jeep to even turn over.

The computer simply feeds a little extra gas through the fuel injectors to start the engine. There are six major problems that make the car wont stay running unless foot is on gas. If there is a fuel leak somewhere then the correct amount of fuel may not make it to the combustion chamber.

Often in a situation like this relearning is whats needed. The ECT Engine Coolant Temperature sensor is here to send information about the engines temperature to the ECU to adjust the mixture of air and fuel. Some of the symptoms are.

If it is low look at the fuel pump fuel pressure regulator and injectors. Usually what happens is you start the car cold and it wont stay running unless you hold your foot on the gas until the engine warms up. The computer wont relearn the setting unless you drive it.

Car wont stay running unless foot is on the gas. Often in a situation like this relearning is whats needed. This valve allows the engine to idle under all conditions.

On the old carburetor engines you. Up to 8 cash back Hi There It sounds like you may have a dirty or failing idle air control valve causing your engine idle to fluctuate. Usually what happens is you start the car cold and it wont stay running unless you hold your foot on the gas until the engine warms up.

When you start the engine it wont run at a steady rate. The fuel injectors work at any RPM so a choke is not necessary.

Car Won T Stay Running Unless Foot Is On Gas The Grumpy Mechanic