car starts but wont stay running unless foot is on gas

A low idle speed in need of adjustment. 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.

Easy Fix Car Starts But Won T Stay Running Rpm Up And Down Acura Honda Lexus Toyota Youtube

But shell crank and crank but wont start unless I have the throttle wide open.

. Best diagnosed by using an OBDII scanner to scan for codes. A No codes. Suppose theres an obstruction within the trail of airflow into the combustion cylinders.

If this valve fails to allow air into the engine the engine wont idle. 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. Its the IAC idle air control setting that was lost when the battery went dead.

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. 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. Could be a blocked.

This might be enough to allow the engine to start but not keep running. A good indicator of this problem is the RPM indicator although this is not always the case. Recently I ran out of gas and didnt know it.

Could be a partially blocked fuel filter. When you step on the accelerator while starting the engine this opens the throttle plate which allows air into the engine. This might be due to the residual debris within the air inlet or another obstruction within the car air passage.

Often in a situation like this relearning is whats needed. Next start the vehicle and use a voltmeter to set and record the amperage reading. Up to 25 cash back ok.

The fuel injectors work at any RPM so a choke is not necessary. Some of the symptoms are. Every once and a while a worn spot of the battery lead would contact the frame and short out.

The engine requires the right amount of air and fuel to mix together for ignition. Make sure its responding to signal as well. This is usually caused by the idle air control valve sticking.

Could be a bad fuel sending unit. When your car engine starts but stops afterwards whether immediately or after a few minutes there could be one or more specific systems or components behind the failure. Up to 25 cash back Car starts runs but wont stay running unless you keep peddling the gasconstantly to keep the flow going.

C Never been tested but have never had a problem with itShould probably test it though. D RPMs did not spike. 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.

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 the amperage reading is high this means the fuel pump is working harder indicating pump replacement- an ultimate solution to the car wont start unless I give it gas. The computer wont relearn the setting unless you drive it.

If you didnt keep your foot on the gas the voltage in the electrical system would drop enough that the car would turn off. B CPS is brand new if it is faulty it wont allow the jeep to even turn over. This is controlled by the cars ECM which uses this information to make adjustments to the airfuel ratio.

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. If there is a fuel leak somewhere then the correct amount of fuel may not make it to the combustion chamber. The computer simply feeds a little extra gas through the fuel injectors to start the engine.

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. On the old carburetor engines you. E Engine now hates to start after stallingI have to have my foot on the gas and it cranks longer than usual.

BMW ACURA Honda Lexus Toyota. This valve allows the engine to idle under all conditions. The problem might be with a defective Idle Air Control valve.

Car wont stay running unless foot is on the gas. 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. The ignition or injection system.

The alternator puts nothing out if the battery is dead because the alternator requires a 12 volt exciter voltage from the battery for it. There are six major problems that make the car wont stay running unless foot is on gas. Could be a bad fuel pump.

Then compare the recorded readings to the manufacturers defined specification. The ECU will relearn the idle settings after a short period of driving and the engine will start and idle normally. 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.

Car wont stay running unless foot is on the gas. Car Starts but wont stay running RPM Up and Down. It was caused by a short on one of the battery leads.

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. It hasnt ran right since and bubbles were in the fuel.

11 Causes Of A Car That Starts Then Dies Immediately And How To Fix It