my trasmission starts loosing power and starts smoking over 30mph.I just picked it up from a mechanic who put in new seals what could it be

my trasmission starts loosing power and starts smoking over 30mph.I just picked it up from a mechanic who put in new seals what could it be 1 Answer

My truck stopped running last night. it was running right, new oil change and then stalled out on the way home. it will not start at this point, turns over, tries, but never does. what could be wrong? 2 Answers

1985 GMC Sierra. just got an oil change the day of, not problem with spark plugs, checked already. had abnormaly large amount of white smoke from oil change. when it started to stop running the thrott...

where is the speedometer wires to the tranny located or where do any speedometer lines, cables or wires hook up period?? curious cause my 99 GMC Sierra has no speed gauge and wont shift outta low gear.... Just had tranny rebuilt do to the input shaft housing busting and leaving it not even wanting it to roll in neutral when running... crazy huh!! just so its said i wasn't the idiot who drove the piss outta it and broke it but first time ive seen um brake like this. anyway besides checking the speedometer hookups what else could it be?? im exhausted and would laugh if it was just a dumb plug, wire or cable unhooked. thanks!! :D 3 Answers

NO Speedometer and wont shift outta low gear!!

Why does my truck bogg down or flood out when giving it too much gas? 1 Answer

92 gmc sierra 350 boggs down or floods out after driving it for a few minutes. Once it starts, u can shift to neutral while still rolling down the road, switch truck off and then crank it back up, ...

Replaced a plethora of parts and she still won't act right. Will not start nor stay on when it does actually start. 1 Answer

My truck won't start at all now. It will chug like it's trying to start (not clicking, my battery and alternator are both brand new). I've replaced the distributor in it's entire. Ignition control mod...