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My service Light comes on and stay on after the car is on idle for 1 to 2 minutes. Is not on when you first start the car. I took it to a mechanic and he can;t find nothing wrong with the car, no computer codes? Saturn VUE, 2003, 4 cylinders. What else can I do? Can I reset the service engine lght?
Re: My service Light comes on and stay on after the car...
If the light comes on then there is a code. the shop you went to may not have the updated software. try another shop. go to a parts store. they can read the codes.
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1. As a basic measure I would make sure the correct grade and spec oil is going in the engine. You can no longer trust that a local mechanic or even a dealer service center will necessarily use the required product as stipulated by the manufacturer. It is always better to buy and supply your own so you know the correct product is being used.
2. I would not assume there is a problem with the oil pressure warning light even though there could be.
The first thing the mechanic should have done when you reported the oil pressure issue is to hook up an independent mechanical oil pressure gauge and check oil pressure when the engine is hot at different RPMs. Any oil pressure issue will usually show up at idle when the engine has been warmed up properly and the engine oil is hot (unless you have some kind of intermittent oil pressure relief valve that is sticking). Just replacing parts without actually knowing what the oil pressures are at different RPMs is being sloppy and negligent.
This is what you need to do now. Contact a business that can hook up their own pressure gauge to your engine and have them check the oil pressure readings at various RPMs when the engine is fully warm. If there is a low oil pressure issue it will show up on the oil pressure gauge. As you have a new oil pump there should be no issue now with oil volume or a sticking oil pressure relief valve which on your engine should be part of the oil pump assembly.
3. Worn engines will not be able to sustain required oil pressures. Oil pressure is not produced by the oil pump. The oil pump produces oil flow but the resistance to flow is what produces the oil pressure and that resistance is created by fine clearances between operating engine parts especially on the crankshaft and components connected to it. Once the engine wears the clearances increase and the oil flows past the parts much more easily and produces/builds much less pressure.
How well your engine with over 90000 miles has been maintained depends on how often all the owners changed the engine oil and filter , whether they kept the engine oil level up to full (most owners rarely ever check oil levels between services) and whether they always used the correct product. Manufacturer oil change intervals shown in service schedules can be 10000, 12000 miles or more which is much too infrequent for the type of use 95% of private vehicles experience which typically are on the severe to very severe use end of the spectrum. Engine oil typically needs to be changed at least at half the mileage shown in service books (at least twice as frequently) and thus at least every 5000 miles if you want your engine to last.
In most cases the check engine light indicates a sensor is bad. Have a mechanic scann it and if so replace it.....hope this info helps and if so Please leave rating on this post and good luck..
If the service light is on there is a problem. Take it to Auto Zone and have them read the code, they will do this for free hoping you will buy parts from them.
The blue coolant temperature light comes on when the coolant is below 177 degrees. That is the bottom threshold for the Overdrive to engage. In other words, the OD will not activate, (actually, it is prevented from engaging) until the coolant temperature reaches 177 degrees F. This is purposely done, because allowing the OD to engage sooner will allow excessive emissions, with a colder engine.
There is no need to wait until the blue light goes off to start driving. Your transmission just won't make the final shift until the optimum temperature is reached. This is a normal condition.
If you have an actual issue, your 'check engine' light will illuminate, and it will stay on.
High idle is expected because of settings the coolant and air temp sensors set up with the computer. "cold start choke" The light coming on can be contributed to a rich fuel mixture that lasts too long. The 02 sensor picks that up and triggers the light. So, Your engine coolant sensor may well be the problem.
first problem, went to autozone. the guy that looked at your car was making pizzas last week. they pull codes and sell you every part you will buy. take the car to the saturn dealer and replace the bcm.
I had this problem, took wrench and tapped the idler arm motor with the key on. then start it and it would idle no problem I was also told that when this was not working right that the service engine light would come on
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