1992 Plymouth Laser "erratic idle speed cold" Questions

...idle speed control motor. I checked or replaced all 3 and they are all fine. I tested fuel pressure before the filter and after the pressure regulator, it test fine...checked all vaccume lines and ...

Erratic idle on car? http://schematicsdiagram.blogspot.com/2011/12/erratic-idle-on-car.html ----------- Cold start problem and vehicle shudder around 2500 to 3500 rpms http://repairhelpcenter.blogspot

Erratic idle on car? http://schematicsdiagram.blogspot.com/2011/12/erratic-idle-on-car.html ----------- Cold start problem and vehicle shudder around 2500 to 3500 rpms http://repairhelpcenter.blogspot

for more gags, cold stalls, stalls at stops, slow idle speed, erratic idle speed, rough idle and engine hesitation. what could be the problem? thanks Sounds like a possible throttle positioning sensor

Erratic idle on car? http://schematicsdiagram.blogspot.com/2011/12/erratic-idle-on-car.html ----------- Cold start problem and vehicle shudder around 2500 to 3500 rpms http://repairhelpcenter.blogspot

Erratic idle on car? http://schematicsdiagram.blogspot.com/2011/12/erratic-idle-on-car.html ----------- Cold start problem and vehicle shudder around 2500 to 3500 rpms http://repairhelpcenter.blogspot

Erratic idle on car? http://schematicsdiagram.blogspot.com/2011/12/erratic-idle-on-car.html ----------- Cold start problem and vehicle shudder around 2500 to 3500 rpms http://repairhelpcenter.blogspot

...erratic idling Bad or worn distributor cap Bad MAF (Mass Air Flow) sensor Bad TPS (Throttle Position Sensor - this controls the idling speed under all conditions. A bad TPS would idle fine under ...

Erratic idle on car? http://schematicsdiagram.blogspot.com/2011/12/erratic-idle-on-car.html ----------- Cold start problem and vehicle shudder around 2500 to 3500 rpms http://repairhelpcenter.blogspot

Erratic idle on car? http://schematicsdiagram.blogspot.com/2011/12/erratic-idle-on-car.html ----------- Cold start problem and vehicle shudder around 2500 to 3500 rpms http://repairhelpcenter.blogspot