1991 GMC C1500 "rpm" Questions

4l60e Shifts into 1 and 2 then slips drasticly< rpm Shifts into 1 and 2 then slips drasticly< rpm shoot up (around 5000), I let off gas and it catches 3 (maybe) but not good. If I hold a high ...

(HIGH IDLE) ENGINE WILL IDLE @ START UP ONCE ACCELERATOR IS DEPRESSED AND RPM'S REACH ABOVE 2000 VEHICLE REV'S @ 3+K RPM This sound like you need to replace your throttle position sensor.

...at 80 kmh cruise at steady speed no fuel pedal movement, downshift from D4 to D3 you should feel RPM raise .. after push brake pedal a little you should see RPM raise 300 to 400 rpm. shift pattern ...

engine cuts out at low rpm at about 1400 rpm going down road tac jumps and engine cuts out but comes back. If you just push down a very little bit on accel padel stops cutting out . Truck is very high

my 1993 gmc z71 6.2 l diesel vibrates at 2200 rpm what could the problem be We have rebuilt the transmission, new clutch new fly wheel and it still vibrates at 2200 rpm Clint: Does your drive line ...

rpm gauge jumping around when driving the rpm needle jumps around may be you should make a diagnostic and you can do it in a garage or you can do it by yourself if you want to do it by yourself you ...

my 1994 gmc 1500 the injectors start misting at 3000 rpm.s I have 1994 gmc sierra 1500 with a 350 after 3000 rpm my truck starts to rev up and down i noticed that the injectors start cutting off and ...

what's the ideal rpm at idle,on park, reverse and overdrive Somewhere between 750 and 850 Rpm.It is changing when you change gears.The electronic control unit try to keep the rotation in around ...

loss of power until RPM gets above 2500 new plugs wires distributer cap and rotor Hi Martin, As your vehicle is fitted with a distributer, try resetting the ignition timing. I believe it requires ...

...1992 1/2 ton pu with a 350 motor that will start easy but it stumbles, rumbles and surges from 500 rpm to 1000 rpm. sometimes so bad it will stop running and have to be started again. It will smooth ...