Check engine lit . the scanner read sensor 1 bank 1 , sensor1 bank2 , i change the TPS . the car still having the problem when stop but is not all the time it is ocassionally .
SOURCE: throttle position sensor
HI
did your car have (ETS) electronic throttle control system
the TPSis a part of this system
but you can test it by using diagnoses scan tool to check the TPS value when press or depress the accelerator pad.
so you can tell us the NO. of DTC for example(P0122)
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SOURCE: 2003 Nissan Sentra Problem overheating and heater doesn't work.
I had this exact problem a few weeks ago. The repair shop first changed the thermostat. Didn't fix the problem. Next step, they found the radiator was clogged. They replaced the radiator and now everything works fine.
SOURCE: PO300 and PO430 codes for a 2001 nissan sentra GXE
Check fuel pressure it should be 34psi and with vaccum removed from regulator it should be 43psi. Low fuel pressure can contribute to misfires.
SOURCE: Nissan Sentra "Service Engine Soon" and uncontrolable shaking.
could be a number of things with the check engine light on,from what you are describing though, I am going to sugest you look for vacum leaks, broken hoses and such and also listen for a wistling sound. I also had this happen to me but on diffrent type of car, and it was the hose that went to my pcv valve.
SOURCE: i need to find timing marks for a 1.8 liter nissan
Located on the lower crankshaft housing, visible from the top though with a timing light.
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