When im approaching a stop and i start pressing the btake the rpm moves up. Whats happening?

When im approaching a stop and i start pressing the btake the rpm moves up. Whats happening? 1 Answer

Ive got a 94 gmc pick up 5.7 v-8. I loose 3 and 4th gear at the same time the speedo and the ac stop working. Transmission or computer issues? 1 Answer

there was no slipping. I can put it in low and manually shift to second but when i put it into drive it rives up like im in nutueral. I changed the trans oil filter and 3rd and fourth silinoid. T...

After warming up while driving it will stall and restart when the rpm hit 1000 1 Answer

If I am stopped and it stalls I have to wait before it will start but it will not run as long before it stalls again.

04 gmc sierra 1500 5.3 died on me on the highway got it towed home starting going at it, hooked two different scanners to it and not throwing any codes (ecm is working bc the map was reading correctly but also the rpm was zero) anyways checked fire none checked injectors they wasnt working either(built fuel pressure then unplugged fuel relay then turned engine over and the pressure stayed the exact same) i assume it might be the crank sensor but i would think it would throw a code, anyways came back this morning and before doing anything for the hell of it i checked the gas cap and tightened it and it fired up perfect three different times and the last time i let it run and it died after bout 45 seconds (fuel pressure reads 55) and after it died its doing the same thing cranks but wont fire or start 1 Answer

died on me on the highway got it towed home starting going at it, hooked two different scanners to it and not throwing any codes (ecm is working bc the map was reading correctly but also the rpm was...

I have a 1994 gmc z71 with the 5.7 engine. When the truck gets to normal operating temp it loads up and stalls at low rpm's. The only way it will restart is holding the gas pedal to the floor. 2 Answers

I have replaced both injectors, fuel filter and complete tune up including the coil and the distributor pick up. Any help would be great.