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hesitation

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How to Troubleshoot a Hesitating or Bucking Car
Hesitating cars and bucking cars often have worn out fuel filters, fuel pumps, oxygen sensors, EGR valves, spark plugs, or air filters.
Symptoms of a Bad or Failing Speed Sensor
Common signs include harsh or improper shifting, cruise control not working, and the Check Engine Light coming on.
How Long Does a Cylinder Head Temperature Sensor Last?
The The engine’s performance is largely based on temperature measurements performed by the engine control module (ECM), also known as the vehicle’s computer. As the temperature of the engine increases, the resistance decreases which means the voltage drops. The computer...

Related questions

Question
I the 2011 BMW 328I recently changed the radiator and fan and put in the wrong coolant.
Using the wrong coolant shouldn't have any short-term effects like that. The consequences of using the wrong coolant usually relate to seal and head gasket failures over a long period and if you have replaced it, everything should be fine....
Question
Stalling when put into drive
Check the inlet air tube between the mass airflow sensor and the throttle body for cracks or loose connections. When you put the vehicle in drive it pulls the hose longer and when it's put in reverse it pushes the...
Question
RPM goes up and down
The very first thing to do when you experience power loss or surging issues, or interesting gauge readings, is have your vehicle scanned for diagnostic troubleshooting codes. Your car can set these codes and not always illuminate the Check Engine...
Question
Passenger's side window not working
Hi. This issue is usually caused by a switch on the door. It can be the individual window switch or the master driver side switch. I would have a mechanic visually inspect the window to come up with the proper...
Question
No check engine light
Considering your symptoms, I would suspect that your issue lies within the fuel or ignition system. Without diagnostic equipment, it would be best to have your vehicle inspected by a technician who does. Although you have no Check Engine Light,...
Question
My car will start, just not run.
Hi, thanks for writing in. I would start with testing your battery and alternator with a multi meter. Good batteries hold a charge of 12.6 volts or higher. If the battery is low, try to jump start it. If this...
Question
My car jerks when I accelerate
This may be a sign of a dirty or failing mass air flow sensor. The mass air flow sensor reads the air intake as it is mixed with fuel prior to being injected into the motor. When this fails, this...
Question
Hesitation when accelerating.
You may have spark plug wires that are damaged or the plug you put in got damaged while putting it in the hole. If you accidentally closed the plug gap then the plug will cause a misfire. I recommend removing...
Question
Hesitation
Hesitation is a common sign of a failing mass air flow sensor. This is a unit that monitors the air flow into the engine as it is mixed with fuel to create the optimum air/fuel ratio. When this is not...
Question
Engine skipping.
The skipping you are feeling is the engine misfiring. Your engine coils, plugs and plug boots may need replaced. The valve covers may also be leaking oil into the spark plug holes and the cause of the miss fire. I...
Question
Cylinder 2 misfire
You need to pull out the coil and check to see if there is oil in the spark plug hole, or on the plug wire boot. If there is, then replace the valve cover and spark plug boots after cleaning...
Question
Cold engine problems
There are numerous potential causes for the problem you are having. One thing that comes to mind is a failed engine coolant temperature sensor (ETC). The ECT does exactly what it sounds like - it monitors engine temperature. The ECT's...
Question
Car not idling smoothly
This is typically caused by a carburetor problem. Most of the time it is as simple as an adjustment of the mixture. This is something that must only be done by someone with carburetor experience. If you need to have...
Question
Car is stuttering while accelerating
Hesitation can be caused by a number of components even if the check engine light is not on. A bad mass airflow sensor, coolant sensor, throttle position sensor, ignition coil or module, or even a fuel delivery issue. If an...
Question
Car is hesitating upon acceleration
Hesitation is not generally caused by transmission faults. With regard to the transmission, if the fluid is "old", it's a good idea to change the fluid and the filter. Simply request transmission fluid service and the responding certified mechanic will...
Question
Car hesitating when accelerating.
There are many sensors on a car that the computer relies to tell it what is happening. Things like engine temperature, air density, elevation above sea level, ambient temperature, etc., are all readings that your cars computer uses to determine...
Question
Car hesitates when accelerating.
This is a common symptom of a failing mass air flow sensor. This is a unit that monitors the air and fuel mixture prior to being injected into the motor. When this is not working properly, this causes an imbalance...
Question
when the air is on in my car it hesitates to take off. also does it when air is off just worst when on its a 2011 Chevy cruze
You should first scan the computer to see if there are any stored codes that may indicate the cause of the hesitation. If no codes are present then you should have the throttle body cleaned and the injectors cleaned out....
Question
My car hesitates when accelerating, specially uphill
Hello, thank you for writing in. One of the most common reasons for black smoke and a loss of power is a rich air-fuel mixture. With the check engine light on, have the vehicle scanned for diagnostic codes. This can...
Question
My car hesitates to accelerate and won't upshift when i press down on the pedal hard.
If your check engine light has been on, then there will be some codes stored in the system. They might not tell you exactly what is wrong, but they can give you some good clues. There will probably at least...

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