98 Dodge Dakota SLT - rebuilt tranny - need help trouble shooting codes... please read.?

C

Calindra

New member
1998 Dodge Dakota SLT V6 4x2 with a 42re transmission rebuilt.

Master Rebuild on the transmission, new fluids, battery, brakes, dipstick tube, stab link, y pipe on the exhaust, etc.

After first test drive, check engine light came on, would not accelerate over 30 MPH, and had no power. Codes Read P132, P138 (O2 Sensor Voltage) and P1762 (Manufacturers code) Governor Pressure Sensor Offset Improper Voltage. Cleared codes.

Test drove again, light came back on, read the code came back as P132 O2 Sensor, that was it. So we pulled the O2 Sensor out, and it did have damaged wiring.

So we replaced the O2 Sensors and test drove it again. Light immediately came on. Truck again had no power, or acceleration. Single code came back as P1762 again.

RPM's idle high. When accelerator is engaged the RPMS go over 2000 and takes about 7 seconds to idle back down to about 7-900 RPM's. You can see the lack of power.
I have a diagnostic scanner and my fiance is the mechanic... don't tell me to google codes.
 
check your throttle position sensor for proper operation, its what controls the governer pressure solenoid & feedback from the governor pressure sensor.
 
Is that rebuilt transmission still under warranty? You have a governor pressure sensor or governor pressure solenoid problem. If one goes bad the other will soon follow so it is recommended that both be changed at the same time. The governor pressure sensor and governor pressure solenoid is on the governor body which is bolted to the bottom of the valve body and they are easy to replace but they are not cheap. The governor pressure solenoid will cost about $75 and the governor pressure sensor will cost about $85. They are clearly visible once you drop the tranny pan and once the pan is off it only takes about 5 minutes each to change them. Once you drop the tranny pan they will be located something like this:
https://w05.dealerconnect.chrysler.com/service/mds2002/serviceInfo/en_US/803f5865.gif

You will also need to purchase a new tranny pan gasket when you purchase the governor pressure sensor and governor pressure solenoid and replacing those will also allow you the perfect opportunity to change the tranny filter as well. But I suggest you take it back to the tranny shop if that rebuilt transmission is still under warranty.
 
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