What does it mean when your car hesitates to start after getting gas?
Potential causes include worn ignition parts (coils and spark plugs), lean condition (too much air, vacuum leak), rich condition (too much fuel, fuel presser, leaking injector) or a worn engine (carbon buildup or low compression).
Why does my car hesitate when I start the engine?
Repair or replace any hoses which are causing the leak. If any of the components in your fuel system stop working correctly, like your fuel injectors, fuel pump, or fuel pressure regulator, then your engine won’t get the proper amount of fuel it needs for combustion. This will cause your engine to lag, stumble, or hesitate.
When does the car hesitate after filling the gas tank?
The hesitation lasts for probably only a half second, happening a couple of times with a few seconds between. So… pulling out of a gas station onto the highway, 10 seconds later the engine hesitates/sputters for .5 seconds, and then recovers. Then a couple of seconds later another half second hesitation happens.
What should I do if my car hesitates when I press the gas?
Here’s what you might discover—and what you can do to fix the problem: Dirty air filter. The Fix: Replace the air filter. The spark plugs may be dirty or worn. The Fix: Replace spark plugs. The ignition wires may be bad. The Fix: Inspect and replace ignition wires. Ignition system problems. The Fix: Check distributor cap or rotor.
Can a tank of gas cause an engine to stall?
The past couple of times the engine has actually stalled as well. This is very short term. After this quick event it is then fine for the rest if the tank of gas. Any thoughts on what could cause this??
What causes a car to hesitate before starting?
But, they do become clogged or start to fail in some instances. A failing or dirty fuel injector can cause a regular misfire; which can eventually escalate to stumbling and hesitation. The fuel filter can cause loss of power, poor fuel economy, stumbling, hesitation, or even a no-start condition.
How to troubleshoot a hesitating or bucking car?
Step 1: Physically inspect the fuel filter. If the fuel filter is dirty like the image on the right, it’s probably causing a restriction of fuel flow to the engine and should be replaced. Step 2: Check for leaks coming from fuel filter connections. The fuel line is spliced between two fuel lines.
What should I do if I have engine hesitation?
Repairs will depend on what is causing the hesitation. If the cause is fuel related, it may require cleaning the fuel injectors or fixing a vacuum leak. If the cause is ignition related; it may require replacing the spark plugs and plug wires.
Why does my engine hesitate when I open the throttle?
The amount of fuel added by the computer when the throttle opens; may also be insufficient, if the fuel injectors are dirty or fuel pressure is low. The oxygen sensors in the exhaust monitor the air/fuel mixture; so the computer can adjust fuel trim as needed to maintain the proper air/fuel ratio.