I heard a pop in my engine drove about a mile and all lights came on, car stalled. Started again, drove another mile, car stalled, all lights came on.
Took to a mechanic . He said oil pressure switch had popped out and all oil came out of engine. Has this happened to others? 2006 Rav4 Limited 50,000 miles
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Re: Oil pressure switch
There are no recalls that pertain to oil pressure switches on any Toyota vehicle. I would like to know exactly what part of the switch popped out, the entire switch, or just a part of it. What probably happened is somebody banged into the switch when changing the oil, and compromised the integrity of the switch. The oil pumping out issue: The Oil Pressure Switch is on the first oil galley out of the oil pump. This means that the switch port gets full oil pressure while the engine is running. This is around 30 PSI. With the switch, or any part of it missing, it would not take too long to pump out the 3.9 quarts of oil in the pan.
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The oil warning light is telling you the oil pressure has dropped below 10psi which does not always mean the oil level is low. When the oil pressure drops, the power for the fuel pump is cut for safety reasons. You would not want the fuel pump to keep going if you were in a wreck and the engine stopped but the key switch was still on. It could be a faulty sensor, or you really could be loosing oil pressure. If the light comes on again, you would need to have the pressure checked with a mechanical gauge.
If you feel like the engine is still ok, I would look at the oil pressure and check engine light issues. On engines with fuel injection, the fuel pump is powered by the pump relay until the engine starts. Then the engine has to have oil pressure to keep the fuel pump powered. Its a safety feature so if you are in a wreck the fuel pump does not keep running if the engine is off. I would want to know why the oil pressure light is staying on and what the trouble codes are in the computer.
It's not suprising that the engine stalled after getting hot considering you had run the engine out of oil as indicated by oil pressure light coming on and needing two quarts to refill it. Now that the oil is replaced, you could keep driving, but it would be wise to investigate why it had got so low on oil in the first place. Refer explanation below. You should check the oil level weekly to ensure it is at the correct level and top up if necessary. For that year vehicle, oil and filter changes should be around the 3,000 mile / 5,000 Km mark. It sounds like the engine could be using excessive oil by either leaking out or being burnt in the cylinders.. If there is a major leak then there will be oil puddles under the engine after sitting for a while. Excessive oil burning in the cylinders is indicated by grey oil smoke from the exhaust when driving. If engine has oil and grime all over the best way to find the leaks is to get the engine pressure cleaned and then observe where the oil leaks are. The most usual places for older vehicles are the sump and valve cover gaskets followed by crankshaft seals. Oil leaks can also come from a loose oil filter or a faulty warning light pressure switch. If exhaust smoke is excessive then it would indicate worn piston rings and / or valve guides and seals.
something is strange here thats for sure ,firstly take thermostat out and put it in a saucepan of water and boil it to see if opens .,check the oil light switch and pull the rubber boot cover back to see if any oil is behind it ??.-You are buying trouble with a car with such a high mileage on it ,never buy anything with more than 50,000 miles or you are just buying someones rubbish
MY 2002 RAINIER DOES THE SAME THING I HAVE BEEN TOLD IT IS THE THROTTLE BODY. I NEED TO CLEAN IT OR REPLACE IT. I HAVE THE 4.2 AND YOU CAN GET ONE FOR $200 PLUS SHIPPING. THE THROTTLE BODY STARVES THE CAR FOR AIR CAUSING THE IDLE, AND SHUT DOWN PROBLEMS. I AM GOING TO TRY IT THIS WEEKEND.