What should one look at to diagnose a oil pressure problem that starts out on a cold engine around 35-40 but as the engine warms up goes to zero?
the cam bearings could be worn out. in which case you probly need to change. but when you pull apart the engine, you will probly find some other problems, so you might as well just rebuild the engine. its hard to beat those old Chevy 305 engines, they go forever and they make good power done up right
if the engine has low miles then it is likely an oil pump problem and the pump should be replaced...on a high milage engine then is likely time for rebuild....you could try using heavier weight oil or adding addatives like lucus oil stabilizer to get a few more miles out of it....
Like the first person said, it sounds like cam bearings. You can try thicker oil if you don't really care about the engine, it will let it go a little longer. I highly suggest NOT using Lucas or any other oil additives. They are no good.
It means that there is a problem with the engine management system. (ECU). One of the sensors monitoring temperature, air/vacuum pressure, throttle position, etc is out of range. This can be due to a failure of one of the sensors or the wiring to it. You will need to diagnose the problem via a main agent with their computer diagnostic system.
A malfunction has been detected with the emission control system. As long as you don't have any other warning lights and your oil pressure and engine temperature are fine, if the problem doesn't correct itself and the light stays on, have the Explorer scanned for any trouble codes to help diagnose and repair the problem.
What could be tha problem when a check engine light comes on in a 1999 mercury tracer Engine does not seem to have any problems?
EVAP canister vent control valve open code P1448 where do you find this valve and how do you diagnose it?
What could be the problem if there is no pressure in either of the hoses going to or from the radiator?
If the engine is cool, then this isn't a problem (pressure in the cooling system isn't developed by the running engine, it is developed by the heat from the running engine). However, if the hoses don't feel like they're under pressure at normal or higher operating temperature, it does indicate a possible problem. The possible problems could be anything from a blown head or intake gasket to a low or empty radiator. Regardless, if this…
Why wont your speedometer after changing the sensor and the abs and check engine lights are both on?
The transmission codes and functions are often controlled by the ecm, engine control module computer. The ecm stores the fault codes from the engine and transmission. It is telling you that you have a transmission problem, the vehicle must have the ecm scanned by a certified technician, to properly diagnose the problem.
When the check engine light comes on , a malfunction has been detected with the emission control system , if the light stays on steady have the Ranger scanned for any trouble codes to diagnose and then repair the problem ( also if the light flashes on and off continuously with the engine running that indicates a spark plug misfire , scan , diagnose and repair )
* It could be a faulty check engine light or a light sensor problem . There's probably not a problem with the engine at all just the faulty sensor light problem most likely. * ----------------------------------------------------------------------------------------------------If your check engine light stays on with the engine running , a malfunction with the emission control system has been detected. Have your vehicle scanned for any trouble codes in order to diagnose and repair the problem. ( I had…
2003 gran marquis the car shakes and the check engine light is on and blinks what could be the problemthank you?
This can stem from electrical problems. It is hard to diagnose from so little data. But giving the problem, if it does this going from Neutral to other gears as well, then it is most likely a problem with your transmission or torque converter fluid pressure being to high. It can also be caused from an exceeding low engine idle, whos torque may not be enough to keep running when the trans applies pressure via…