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Exhaust gas recirculation valve fault
If the car is not banging and grinding it could be a wiring electrical problem or a bad Solenoid which is also electrical, but more extensive repair. The transmission is most likely not junk, but expect to spend a good amount of money to get it fixed. I am having this problem in my 2000 XK8 coupe which has the same engine and transmission.
If your car jerks, you likely have stepped on the gas pedal a bit too hard but it could be an indication that there is something wrong with the engine or transmission If your engine is at fault it likely be the engine coil, pistons, cylinders, or head gasket if any are cracked or missing parts or just from wear and tear it can cause jerking of the engine... if it is the engine it is a minor problem but if you have it like that enough time of shifting and driving normally... it can cause more problems to the engine then the expense to fix it could be huge If it is a transmission problem, the gear and the mechanism is not functioning properly. A faulty transmission can cause unwanted jerking if it does not go into the proper gear as selected. This could be from a bad transmission, blown transmission or the lack of transmission fluid which is critical for the gears to change properly without it the mechanism will no support when the gear changes it simply just wont function correctly. If the transmission is at fault it is obviously critical to get it fixed before you cause serious damage to your car....
If the car is not banging and grinding it could be a wiring electrical problem or a bad Solenoid which is also electrical, but more extensive repair. The transmission is most likely not junk, but expect to spend a good amount of money to get it fixed. I am having this problem in my 2000 XK8 coupe which has the same engine and transmission.
On a Chrysler vehicle the engine computer sets P0700 whenever the transmission computer has detected and set a fault. You will need to have transmission codes checked to know possible causes.On a Chrysler vehicle the engine computer sets P0700 whenever the transmission computer has detected and set a fault. You will need to have transmission codes checked to know possible causes.
Trouble code P1621 means: Engine control module engine immobilization input circuit malfunction
P0700 is EATX code present.It simply means that the engine computer has noticed that the transmission computer has a dtc in it. This causes the Pcm (engine computer) to turn the check engine light on. You will need to have the TCM (trans computer) checked for codes to know what to diagnose.General automatic transmission fault. It could be a sticky internal sensor. A transmission shop could read the actual fault from the transmission.
The coomputer detected a fault in one of the sensors or the engine, transmission, ABS, or EVAP system is malfunctioning
The check engine light is reset with a scan tool after repairing the cause of the fault.The check engine light is reset with a scan tool after repairing the cause of the fault.
With a scan tool after repairing the cause of the fault code.With a scan tool after repairing the cause of the fault code.
Have electronic vehicle speed sensor in transmission checked out. It will cause loss of speedometer function and set a fault code(check engine light).