does anybody know what could be causing the slight hessitation upon acceleration? this happens more when the engine is cold but still happens after the engine has warmed up too. please help.

 

The first things that I'd take a look at is the throttle position sensor, if applicable, and then the temp. sensor. Timing could also be off a bit.

 

how do i tell if there is a tps? i dont have a manual for the car so i cant tell. ill try the temp sensor in the mean time.

 

If you are standing at the front of the car with the air cleaner off, you will see a black round sensor mounted to the throttle shaft on the left side of the carb/throttle body. The adjustments to this is via loosening two screws to let it rotate either clockwise or CCW. Take your screwdriver with you and do a road test while adjusting it a little at a time. If you don't have the special tool to get the readouts this is the only way to do it. If you don't have the TPS then do the same with the timing, take the 1/2" socket along and do the road test until you hit the timing adjustment that you want. If you have a timing lite then even better.

 

Do state the year, the model, the engine, etc etc so we don't have to second guess what car you have.

 

this is a 1980 cadillac coupe deville with a 368.

 

OK then, you must have th carb. engine on the 1980 368. I have the DFI on my 1981 and I think that was the first year for that. So your TPS will be a different adjustment.You will have to drill out an aluminum plug covering the hole to get at the adjustment screw.Drill a small hole in the plug about 1/16 deep and insert a #8x1/2" screw in hole just deep enough to get a pliers on it to pull it out.Be careful not to go too deep and damage the adj. screw head.

 

what if i just replaced the carb with a new one, would the carb come with a new tps? i wanted to give the engine an overhaul anyways. thanks for the quick replies btw.