Occasionally when accelerating from stop car will upshift then downshift, then upshift, etc. repeatedly. Car has OD switch on shift lever. Turning off OD has stopped problem but might be coincidence. Check engine light does not come on. Seems to only happen when I have done extended stop and go driving.
You have checked the fluid level right?
SOURCE: Transmission does not upshift properly. I have to
You may have a bad pressure oil switch on the trans or a faulty signal from the TPS
SOURCE: From a stop, when you
Spark Plugs--every 70,000 miles
O2 Sensors -front 2 every 100,000 miles
Clean MAF Sensor
Check coils for misfires
Trans & power steering --Fluid every 30,000 miles
SOURCE: I took my car for
check fluid level first.if fluid level okay.use a scanner to check tps sensor with ignition switch on position. the voltage should be 0.6 volts with closed throttle when throttle accelerator pedal push to the floor you should see 5.0 volts.if not tps sensor faulty. check vechicle speed sensor with scanner.you should see o mph on scanner.if all is good. take back to shop whom repair the transmission front seal.mechanic could have damaged torque converter turbine shaft o ring when installing torque converter back in place after replacing front seal.or torque converter screen or passages stopped up.
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