I just put a new throttle position sensor on my 01 dodge 5.2l after installing truck started off by surging then once i re- adjusted the new sensor quit until i took it for a drive to town and it began a poping in park then began dumping out blue smoke. is the sensor bad (duralast with lifetime waranty) or does the truck just not like it?

 

Blue smoke is oil, not fuel.

Did you reset the PCM, so it could learn the new sensor? If not, just disconnect the battery for about 10 minutes, hook it back up, turn the ignition to on, (not start) count to 10, THEN start the truck. (don't touch the gas pedal)

Does the smoke clear up after a bit?

 

thats what is confusing me is that its a blue smoke and it has seldomly smoked but when it has never this much. i unhooked the battery but may have got a little impatient on hooking it up ill try it agai

 

Unhook the battery, turn the lights on for a minute, turn the lights off, hook up the battery. That will make SURE everything is discharged.

 

Just got threw doing all of that and still was getting the same problems. This one has me scratching my head the tps fixed the floating rpms but gave me more new problems

 

Possibly bad sensor, or, the PCM simply just doesn't like it. Wouldn't be the first time a dodge truck refused to play nice with a duralast sensor.....

Another possibility is: Something else failed, and it just had strange timing...... How much blue smoke ya gettin'? Do you have a consistent miss, even at idle? Engine making any odd noises?

 

i took the new off and re installed the old hoping it will smooth back out and take the new back. There a good bit of smoke once the gas is hit ill get a large cloud big enough for me to see it float away.

 

and on the engine only sound out of place is a pop through the exhuast its faint and only when in park and idling

 

Wonder if you have a hung valve. Can you tell which side it is coming from?

 

Check your PVC valve, it might of gotten stuck or failed. That has happened to me more than a couple times..