O/D flashing 2000 Ford ranger xlt 4.0 4x4

The rod bearing cap bolt torque specifications for the 3.0L V6 engine in a 2000 Ford Ranger XLT 4x4 with a manual transmission are as follows:

• Step 1: Tighten the bolts to 15 foot-pounds of torque.
• Step 2: Tighten the bolts to 30 foot-pounds of torque.
• Step 3: Tighten the bolts an additional 90 degrees (1/4 turn) using a torque angle gauge.

It's important to follow the torque specifications and sequence in the manufacturer's service manual to ensure proper tightening and prevent damage to the engine.

it really sounds like the torque converter is locking up, could be a lockup solenoid or the converter is starting to fail or failed, have a tranny shop check it out. Does it not go into reverse too? That would be a dead give away.

I think this is an electronic trans with no modulator. Overdrive is really not a gear but rather torque converter lockup. Torque converter may have completely failed.

#1) Low or dirty transmission fluid #2) Wire/circuit issue shorted to power or ground #3) Failed torque converter clutch (TCC) solenoid #4) Failed TCC assembly in the torque converter.....

Since Transmission has been rebuilt I would strongly suspect the TCC solenoid and/or its wiring...When transmission was rebuilt did the TCC get replaced? If so, due to being intermittent, Check the TCC plug (both female and male) for bent or dirty contacts...also insure you have close to zero ohms of resistance from negative battery post to transmission case...A poor ground will cause a problem and be at times...saailer

I’m happy to help further over the phone at https://www.6ya.com/expert/david_6df67de3b14de867

Can be transmission failing to unlock from Downshift or the Lockup Torque converter is failing to unlock.

Sounds like the torque converter clutch is not dis-engaging. (It locks up the torque converter at highway speeds for fuel efficiency.) Try unplugging the connection at the transmission, and plugging it back in. If no help, have a shop check out the torque converter clutch operation.

It means the PCM (the brain) doesn't sense any current in the circuit for 'torque converter lockup'. This 'lockup' would happen when you are in high gear and going above about 45 mph. It could be a connector is loose, a wire broken, or shorted. Its not easy to poke around in the wiring harnesses going to the transmission - but if you can, wiggle and reseat each connector. Also wiggle and push in on the connectors going into the PCM next to the battery. Make sure they are fully 'clipped on'. There is probably a connector inside the transmission too - but its not reachable without dismantling things, and its unlikely it would fail. There is a computer controlled solenoid inside the tranny, which is what causes the torque conveter to lockup.
On the bright side, if your torque converter is not locking up - you can drive the car indefinitely that way. Your MPG will suffer a few percent - maybe 5%-7%. But it wont hurt the car.

P0733 Gear 3 Incorrect ratio
P0741 Torque Converter Clutch Circuit Performance or Stuck Off
Based on the experience i have with these codes at the Ford dealer I work at u are going to most likely need a transmission overhaul, it is slipping and the torque converter clutch is defective.

Hi
The p0305 code is cylinder 5 misfire.
The p0740 code is torque converter clutch solenoid circuit.

This video shows the speed sensor and its location for a 2000 ford ranger xlt. It also describes the problems a bad sensor can give.