Car Repair World

Pontiac Firebird: Fuel gauge and oil pressure. What would cause the fuel gauge and oil pressure gauge to peg and stick at the top. Where is the oil pressure sending sensor located Pontiac Firebird? The oil sending unit is located at the oil filter boss on the engine block. I will attach an image to make it easy to locate. When the oil and fuel gauge stopped working,did they both go out at the same time? not at the same time. oil gauge went first and then there was quite a period of time before the gas gauge did it. The fuel gauge *may* have lost is ground or it is corroded. I can supply you with the ground location if you would like? the gauge works on resistance,at 0 ohms it reads empty at 90 ohms it would read full. with an open circuit or a bad ground it would of course peg it up above full. if you find that the ground is good most likely the fuel sending unit has failed. On the oil gauge,it isn't uncommon when pulling the o...

Ford F-350 Oil Pressure Indicator Lamp Sending Unit REMOVAL & INSTALLATION See Figures 1, 2 and 3 Fig. Fig. 1: Oil pressure switch location-4.9L engine Fig. Fig. 2: Oil pressure switch location-5.0L/5.8L engines Fig. Fig. 3: Oil pressure switch-7.3L diesel and 7.5L gasoline engines (adapter is for 7.3L only) Unscrew the unit. Coat the threads with electrically conductive sealer and screw the unit into place. The torque should be 10-18 ft. lbs. (14-24 Nm). For the location of your unit, see the accompanying illustrations. Disconnect the wiring at the unit. OPERATION A single terminal oil pressure switch is used on vehicles equipped with an oil pressure lamp. If the pressure is detected to be at an unsafe level, a red indicator lamp will glow on the dashboard. The light should come on when the engine is off but the ignition is in the  RUN  position. Once the engine is started, the light should go out. The lamp i...