2002 Jeep Grand Cherokee "change oil sending unit switch" Questions

...day. Oil level is fine, engine sounds good, runs very smooth. Could this be a bad sending unit/switch? Thanks The sending unit would be the first thing to change, at least it would eliminate

oil pressure sending unit and/or pressure switch? I've been replacing one after the other. If the fan relay switch is replaced, the oil pressure gauge goes crazy. If I replace the oil pressure sending

oil pressure light than it is a switch. Regardless it is a fairly common part to fail on a jeep and really simple to change. First unplug the connector. Using either a 13/16 or 19 mm socket (sometimes

...oil pressure gayge dropped to zero. Changed the sending unit. Still zero. Hooked up a manual gauge and it registers 35 at idle, goes up as the rpms go up. Any ideas? The oil pressure gauge on a 2004 ...

like freesherb in March 2011. Can you tell me what else to do besides changing sending unit? If the engine is not making any ticking noise, I recommend replacing the oil pressure sending switch,sensor

correct oil. It's possible the wrong oil could cause the noise. Wait and see if the oil change has any effect on the oil pressure reading. If it doesn't, change the oil pressure switch or sending unit

change. if the gauge starts a 0 - goes to 1/2 , than full - sounds like gauge is OK - seems to me like the sending unit is bad - you could try removing the sender and trying to clean out the port with

...oil pressure sending unit its giveing a false reading . The problem is when the engine is cold the oil pressure is low and it takes a little time to build up whem cranking the engine and that sends a ...

...oil sender, for clean and tight, and if that doesn't help, for the price, I'd change it, but not knowing exactly which engine you have, I couldn't give you a ballpark on oil sender switch. You can ...

...oil sending unit, gasket, or some other place that slowly depletes the oil level over many days or weeks until it gets low enough and damage occurs. As for why the light didn't come on? You should be ...