The patellar reflex or knee-jerk (myotatic) (monosynaptic) (American spelling knee reflex) is a stretch reflex which tests the L2, L3, and L4 segments of the spinal cord. Contents. [hide]. 1 Mechanism; 2 Purpose of testing; 3 History; 4 In popular culture; 5 See also; 6 Notes; 7 References. Mechanism. This section does not. 14 Jun The car has been idling roughly and jerking randomly. I took it to a shop where I was told the spark plugs are worn. I had spark plugs replaced but it didn't solve the problem. I also had the fuel injectors cleaned but to no avail. Besides rough idling and jerking, the dashboard shows check engine light. guys, my car (proton wira) clocked 75k km and having serious jerking at low gears, at 1st, 2nd and sometime 3rd gear. it is intermitten. things have done to resolve the problem: 1. changed fuel filter 2. changed ignition cables 3. cleaned spark plug 4. adjusted clutch cable but the problem is still persist.
Jerking check -
Check Engine Light is on Inspection. Amari March 15, Several functions may not work. The car has been idling roughly and jerking randomly. A jerking car when starting, accelerating, and driving really has a serious issue. When this happens, your check engine light might come on to warn you of possible problems on your car. But what seems to be the big deal when your car is jerking while driving? Experts and professionals on automotive vehicles suggest that. 18 Aug To a clever test to see if you have a blocked catalyst is to remove the oxygen sensor. If the car accelerates properly without issue, you may have located your problem. Other symptoms of a blocked catalyst include poor fuel economy, hard starting, poor emission and an engine management light. Symptoms. The 'Check engine' light will turn on; Your car jerks when accelerating ; The car's fuel efficiency will have dropped. For more extended information, take a look at our article on the symptoms of a blocked catalyst. The best you can do if your car is jerking due to a blocked catalyst is to visit a trusted mechanic to fix it.