Question about 2000 Pontiac Sunfire

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Check engine light keeps going on and seems to go away when i add a bit of oil. does my car have a leak? is the oil too dirty?

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Is the mesument on the dipstick lower each time you check it ? Is there any visable leaks on the pavement under the car ?

Your oil should be changed every 4 to 5 k miles..

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Posted on Jul 13, 2009

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What is ticking noise from passenger side of motor?


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OIL LIGHT KEEPS COMING ON?


See my answer to your related/same question which I include again for your reference:
You must immediately check your engine oil level and take appropriate action: unless you have a defective oil pressure sensor, oil pressure light usually indicates that your engine oil is not flowing properly. Some possible issues: low oil level (leaking engine?), blocked oil filter (when did you last get your car service) or defective or blocked oil pump due to excessive dirty engine oil.
Also check under your car to see if you have any oil leaks: this usually indicate that you have defective engine gaskets or oil seals causing your oil (pressure) warning light to come on.
Hope it is of assistance. But I would consult a motor mechanic asap as you engine could soon fail due to the lack adequate oil lubrication.

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I have a 2000 pontiac montana minivan The low pressure light is on. before that. the change oil light had been on for some time and i did not change the oil


Unfortunately, it sounds like your problem is one of the following, either:

A) A weak or failing oil pump which should be replaced immediately to avoid serious engine damage.

Or

B) A bad oil pressure sensor.

I would recommend having the vehicles electronic codes read, AutoZone will do this for free if you ask them. This should help you determine if the sensor is the problem or the pump.

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Oil slinging from(off) belt/pully due to oil leak somewhere


Valve cover gaskets leaking, this vehicle is known for that. Easy way and lazy way=add stop leak= for the hard way but the right way=replace gaskets=

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I can smell burning oil smell inside my car sometimes when i turn the heat on.and the engine light also came on couple of days after. i jus changed the oil and filters 3 weeks ago. can someone please


depending on the type of car, you might have oil leaking directly onto the exhaust system, which is dangerous as it could possibly ignite. I would take it back to the oil change place and have them double check the oil filter to make sure the seal isn't leaking. AutoZone or Advance Auto can hook a mini scan tool to the car and tell you why the light is on.

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It could be that your oil pump is going bad and not generating the correct oil pressure in the engine.

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Oil leak under driver side front


First thing i would do is degrease the whole engine, with oil leaks there hard to detect when the engine is very dirty, after you clean the engine and its free of all oil take it for a short drive when you get back home inspect the whole engine on the driver side and see where the fresh oil is coming from remember oil leaks downward and blows rearward when your driving so a leak on the valve cover in the front of the engine could eventually look like an oil pan leak after its been leaking for awhile if you still cant detect where the oil is coming from go to an autoparts store and ask them for detection dye, its a dye that you add to you engine oil and its used to detect leaks use a black light and then you can be very sure where the oil is coming from.

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03 Suzuki Aerio Idles and runs rough and loud


Sounds like you first need to go to Auto Zone and have them scan the computer for the check engine light code and find out what is going on with that..it is probably a misfire code, they will print out the code and the cure, may need a good tune with wires.
As far as the wheel soot/?
You may have a leaking axle seal/worn brake pads/frozen,leaking brake line or disc caliper(check the brake fluid level in the master cylinder to confirm a brake fluid leak)

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Check engine light keeps going on in 98 sunfire


It sounds like you may have a bad oil pressure sending unit gone bad and leaking oil, you should have that replaced soon as possible and you can do it your self with common tools. Go to Auto Zone and they should have the oil pressure sensor and they can give you the step by step instructions to replacing the oil sensor with the new one. Good luck and keep me posted, be glad to answer any questions you may have. As your at Auto Zone have then scan your car for any DTC codes just to make sure that is not anything else wrong that we may have over sean. 

Jul 28, 2009 | 1998 Pontiac Sunfire

1 Answer

Check engine light is on


There are many causes to this problem, but you might need to take it to a shop to find the real problem.
Here's everything I know about it.
P0171 System too Lean (Bank 1)
How does a P0171 code trigger the check engine
light? This code will trigger the check engine light as follows:

The adaptive fuel strategy in the vehicle's computer constantly monitors the fuel delivery system to make sure the engine is running at an optimum air to fuel ratio, which is 14.7:1. The computer adjusts injector pulse width to regulate the amount of fuel going into the engine. The oxygen sensors relay information to the Powertrain Computer Module (computer), informing it of the oxygen content in the exhaust. This information is translated by the computer, and used to determine if more or less fuel is needed. The computer will then adjust fuel flow (and possibly other related engine operating characteristics), to keep the correct air fuel mixture. This loop continues as long as the engine is running.

A P0171 check engine light code is set when the computer has reached a rich calibration limit and can not add enough fuel to maintain the correct mixture.

Possible Causes:
Fuel System:

Leaking or faulty fuel pressure regulator
Plugged or dirty fuel filter or lines
Fuel pump weak or defective check valve
Injectors leaking or faulty
Low fuel pressure or running out of fuel
Leaking EVAP system components
Faulty FRP (Fuel Rail Pressure Sensor)

Air Intake System:

Vacuum leaks
Contaminated, damaged or faulty Mass Air Flow sensor
PCV valve leak or stuck open
Air induction turbulence caused by wrong filter
Oil dipstick not seated
Air leaks after the Mass Air Flow Sensor (MAF)
Oil coated aftermarket air filter
Exhaust System:

Any exhaust leak before or near the oxygen sensors

EGR System

Vacuum line disconnected from EGR System Module (ESM) EGR valve, tube or gasket leak
EGR vacuum regulator valve leaking

Secondary Air Injection System

Mechanically stuck secondary air injection valve

Apr 12, 2009 | 2000 Hyundai Sonata

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