car starts but wont stay running unless foot is on gas
For fuel issues start by checking the fuel pressure. Tool1 the 20buck compression guage.
5 Things To Check If Your Car Will Only Start When The Gas Pedal Is Being Pressed Naijauto Com
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. Replacing parts and this could indeed be an IAC fault can work for a problem like this but you can also easily run out of money before running out of guesses should it not be the IAC. A faulty air temperature and engine coolant temperature sensor may also cause the engine control computer to offer an improper fuel volume and. Also if you can get the Jeep running put the meter across the battery terminals while running and it should read in the vicinity of 138 to 140 volts.
Use choke cleaner and spray around tbi unit the gasket blows at base normally at aback also replace the vacuum line going to your map sensor on firewall itgets soft and wont let the map read right. Could be a partially blocked fuel filter. How To Obviate This Problem.
A good indicator of this problem is the RPM indicator although this is not always the case. 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. But shell crank and crank but wont start unless I have the throttle wide open.
Make sure its responding to signal as well. If one of the three elements fails to decrease or increases slightly the ratio changes and the car will not have a smooth running. Could be a bad fuel pump.
Bad Throttle Position Sensor TPS. Wont hold idle will start with foot depressing gas pedal will run with foot on gas but stalls when foot removed. Check and clean Idle air control valve.
Its not the battery if the truck is starting once the truck is running you can pop the battery out and drive around all day with just the alternator say its bullshit and ill make a video for you when you let off the gas if the oil pressure goes down power gets cut to your fuel pump atleast thats what my 96 did before i got a new oil pump in it so watch your oil pressure gauge. If these three elements are available in the correct ratio then the car will run smoothly and will not stop. Before the introduction of direct fuel injection most vehicles did not have a sensor to read fuel pressure meaning if the fuel pressure is low or off you will not get a code but you will have poor idle and stalls.
I already tried letting it re-learn its idle since the computer was reset. Ignition System Problems. Here Is How To Fix.
Gapped plugs wrong wrong plugs used. Up to 8 cash back This is likely as your symptoms do fall into that category because a clogged or malfunctioning idle air control valve may not allow enough air into the engine to maintain a good idle speed. Also make sure ther are no vacuum hoses disconnected.
It could be the fuel pump if you have to crank and crank and crank to get started. Posted on Apr 14 2009. Making a diagnosis can be hard especially when you dont have much experience in car repair and the source of the problem can be in one of.
I had to put my foot on the gas to get it to combust. Compression Level Is Low. Bad fueling too much or not enough.
Next start the vehicle and use a voltmeter to set and record the amperage reading. Up to 25 cash back ok. Suggest you visit a shop with the Mitsu-specific scan tool and have them set the idle speed correctly then do a fuel trim measurement.
Once she starts she wont idle on her ownI have to keep my foot on the gas. I parked the 98 in the garage last night to let the roll on bed liner I put on the rockers dry. If you let your foot off the gas and the RPMs drop bounce up a bit and go to 0 then it should be the above mentioned problem.
If your engine starts but wont stay running you want to make an accurate diagnosis as soon as possible. Faulty Idle Air Control Valve. This is usually caused by the idle air control valve sticking.
Videos you watch may be added to the TVs watch history and influence TV recommendations. It runs fine with my foot on the gas then dies as soon as I take it off. Bad wires sets old dizzy engines bad COPS newer cars.
To diagnose the fuel pump an amp clamp is placed over the positive pump-wire. The 3 core elements for the car to start and run are fuel spark and air. Just go ahead and clean it.
Why Car Wont Stay Running Unless Foot Is On Gas. If it is low look at the fuel pump fuel pressure regulator and injectors. Check for hot spark at all spark plugs skip none.
Bad spark or timed wrong. If engine runs perfect and only idle is too low 800 hot is normal. You should should get some gas out easily.
After a while it will shut off due to a. Check for fuel pressure on the fuel rail on top of the engine with the engine off for at least a few minutes press the nipple in with a rag. If the battery is at about 11V or less I know the earlier models at least will not stay running without foot on gas pedal.
Resolving car wont start unless I give it gas problem. Car Turns Over But Wont Start. Could be a bad fuel sending unit.
Some of the symptoms are. When the engine RPM drops below the normal range of about 800 RPM this often times will cause the engine to stall indicating a dirty or faulty idle air control valve. So I jumped it and it had a terrible time starting.
See answer 1 Best Answer. So I just replaced my battery this week but now she wont start or stay running. This may not be a cure but its a good place to start.
Up to 8 cash back When you accelerate the engine RPM increases and as you let off the gas the RPM slowly returns to the normal idling speed with the help of the idle air control valve. While working last night I had the doors open and it killed the battery.
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