1999 GMC Sierra "bad map sensor problems" Questions

...very high automatic shifting gearboxes have speed sensors and servos that can sometimes be replaced at home if you can turn a wrench, or it could be just a bad maf/map sensor or pedal position

...map sensor and fuel filter still have the problem. test fuel pressure by renting a fuel pressure test kit from schucks or auto zone then turn key on then off if it hits 50 psi it's ok if it drops ...

must go it alone. Anyone have advice? 1994 GMC Sierra 2500 p/u, 5.7l, 4wd, ext cab, hd. look for a serious exhaust or intake leak. look for bad wires to the o2 sensor or map sensor. just for starters

...bad. MAP is short for manifold absolute pressure sensor, it senses the manifold pressure and applies the right amount of gas with the right amount of ignition timing so the car runs and performs well ...

bad heater detected. what else ...is gaz, Map sensor ,Maf sensor,tps sensor,temp sensor, hope it helps Sounds like it might be a problem with the O2 sensors not warming up fast enough possibly. Is the

...converter. could be clogged Check the spark plug if it is soaked with gasoline. You may have a problem with the injector, it may be dirty or has gone bad or the MAP sensor or just the spark

...bad gas, shifting is held back. If I ease into to it, to go faster, it works fine. Great accelleration, smooth, shifts nice. I have changed: plugs, wires, TPS, MAP, MASS, intake gasket, fuel filter, ...

...bad and a related problem you'll have wasted money. Good luck. Good luck. P0104 Mass or Volume Air Flow Circuit Intermittent Replace the MAF sensor, check the connector. code P0104 means mass or ...

...bad but it seem to get worse after seafoam Pickup coil may be going. Some are difficult to change, however, they are cheap. Also, if after replacing you still have a problem, suspect the computer. If ...

map/tps sensor issue, but short of replacing them one by one I'm not sure how to diagnose the problem. Sorry for such a super long question but I could definitely use some advice! I'm with