I have a 1989 V6 throttle body auto trans. 2WD. while driveing engine spitters sputters and then stalls out. sometimes starts right up sometimes must sit. Have put new, fuelpump,filter,plugs,cap,rotor
while driveing ,it will spitter and sputter then stall may start right back up may not but if I lift hood pull up air cleaner and move throttle it may start maybe by moveing throttle sen. acts like water in gas just slowes down and stoppes.replaced,fuelpump,filter,cap,rotor,plugs and pickup coil inside dist
Possible bad throttle position sensor.
Check your TPS throttle position sensor center wire and ground should be around 1 volt with fully closed throttle and as you move throttle it should steadily climb to 4.5-5volts at full open throttle. If showing anything other than this it is bad and will cause too rich or to lean issues causing engine to stall.
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