trans sensor/ecm/trans - Transmission Problems


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Auto Repair Home>> Automotive Repair>> Transmission Problems

1dodge1mopar
User

Mar 31, 2013, 3:31 PM

Post #1 of 3 (1344 views)

trans sensor/ecm/trans

i have a '92 dodge dakota/3.9 v-6/auto/excab/2WD.

the truck has been having problems shifting out of 2nd gear-driving 50-55mph (almost red-line). after about 5 mins. on the road...it will shift into hi & then into OD. this has been going on for about 2 months. i don't drive it much. my '01 silverado is down w/trans out.

today i was driving to mys son's home-28 mis. away. after driving about 16-18 mis. there was a loud "pop". the truck momentarily lost motion. i immediately stopped accel'g when i heard the pop. i pressed the accel'r down & it kept going, but...i noticed the rpm had changed from about 2200 rpm (60 mph) to 3000 rpm (60 mph). i suspected that the OD had gone out. i drove about 3-4 more miles @ 60 mph & there was a hesitation & the truck began to lose speed. it finally quit.

i got underneath...removed the speed sensor fitting & the negative batt terminal to reset the ecm. i put everything back together. got in started it up...put into D. the truck took off for about 100 yds & quit moving again. while running-in P-i checked the trans fluid level. it was a little over the max mark-where it has been for about 2 yrs-since changing filter.

does anyone know if the problem is speed sensor related...trans related...ECM related or another problem?

thanx.

nickwarner
Veteran / Moderator
nickwarner profile image

Apr 1, 2013, 4:07 PM

Post #2 of 3 (1268 views)

Re: trans sensor/ecm/trans

you'd need to do some pressure checks to confirm it, but you most likely have a blown out trans.

Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Apr 1, 2013, 4:35 PM

Post #3 of 3 (1257 views)

Re: trans sensor/ecm/trans

Please don't create duplicate threads. Just creates confusion in the forum. Thank you.

Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

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