Why would your engine light come on and jerking?
When your car is jerking around, this means that the engine is having a misfire and causing the engine to stumble making the vehicle seem to jerk around. Check the camshaft position sensor for any damage and if the harness is secure to it. Check the spark plugs and wires to see if they have any burn marks on them.
What would cause a car to jerk while driving?
Worn-out spark plugs or the electrical cables attached to them are one of the most common causes of cars stuttering. A deficient spark plug causes the engine to misfire, making your car jerk when you accelerate.
What can cause a car to hesitate when accelerating?
A vehicle that hesitates while accelerating or while driving up a hill may have a weak fuel pump. Fuel injectors may become dirty over time and not be able to provide as much fuel to the cylinder as is needed. Dirty fuel injectors may cause the engine to run lean which will in turn, cause hesitation when accelerating.
What does surging and bucking mean?
When car feels like it’s jerking, surging, bucking, or stuttering after you step on the gas pedal, it’s usually a result of inadequate fuel, air, or spark during the combustion process.
Why does my car hesitate to start sometimes?
To give you some initial ideas, although there are many causes of hard starting illustrative causes include a faulty engine coolant temperature switch (sensor), malfunctioning idle air control (IAC) valve, vacuum and EGR leaks, inadequate fuel delivery or pressure (clogged fuel filter, injectors), and contaminated or …
What are the symptoms of a Subaru surge?
Just wanted to recap my Subaru?s symptoms: Engine Surge while in Drive and stopped at stop signs and lights. Shifting into neutral stops the surging and idle stabilizes. Engine occasionally stalls or almost stalls when driving very slowly like through a parking lot.
What was the hesitation problem on my Subaru Outback?
My hesitation was due to my plug wire on #3 breaking apart after the last spark plug change (I pulled on the proper location of the wires to take the wires off). I changed them in the parking lot of the local Subaru dealership (when I was out of town!). Fixed.
Why does my Subaru Forester surge and hesitate?
Shifting into neutral stops the surging and idle stabilizes. Engine occasionally stalls or almost stalls when driving very slowly like through a parking lot. Engine power is jerky at all speeds (used to be just at slow speeds but getting worse) unless you are deep into the throttle at higher RPM (like 3,000-4,000 + ).
What should I do about my 2002 Subaru Outback?
I had the same problem with my Subaru Outback 2002 (141,000 miles). Surging, stalling, no error codes or check engine light. Replaced dead temperature sensor – but that was no help. Replaced the front “Air Fuel Sensor” – that fixed the problem. Total cost to me: $900 for various troubleshooting adventures. Hope you get by cheaper.