My car is just over the 90,000 mile mark and the 'service engine soon' light has come on. I am a female and don't want to get taken to the cleaners when I take my car in for this service. Can you let me know what to expect as far as price range and what exactly is done at this mileage?
You don't state what year the car is. If it is a newer model, you need to get the OBDII codes read by a technician. Then, you will know what the problem is. My money is on an oxygen sensor or mass air flow sensor but it could be as simple as getting a new fuel filler cap.
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you need to have the codes read in the trucks computer,you can have it done at any shop or autozone does it free,there is something the computer saw that might affect your fuel mileage or your emissions
Normally, the P-0420 indicates a sensor issue; a cat replacement would be needed if you had the P-0420 coupled WITH a
What I would do, if I were you, would take the car to a shop that can perform an "induction cleaning", and have that service done. Then, replace the spark plugs, if the car is around 90,000 miles. You may alsop need a front air-fuel sensor (the one on the manifold) replacement.
I would not change the cat until I did the above services. It does not sound like a bad cat just yet.
If you take it to a auto parts store they can help you get the code out of your cars computer. This will not cost you anything and may help identify the probelm. I use Autozone and Carquest for my parts stores.
Hello tinaromano1: The factory specification are to replace the belt every 90,000 miles in severe service. I would recommend to replace at 90,000 no matter what the service would be. Keep in mind should the belt break there is always a chance engine damage may occur. Should you need further help just ask. Thank You for using FixYa. Roger
the service engine soon light means a fault has occurred in the engine or emission system's electronic controls, it has nothing to do with any service you did in most cases, there are over 150 problems that turn the light on, to find out what the problem may be go to any Kragen Auto or Autozone parts store and ask them to run a OBD 2 trouble code test, IT IS FREE. then post the code back here for us to look at, which is also FREE.
There should be a reset switch that turns the light off. Some vehicles require a code scanner tool to reset the check engine light. On some Isuzu models you have to remove the instrument cluster and move a screw from one hole marked KSW to another hole with the same KSW marking (it may have tape over the second screw hole). Other Isuzu models may have a small switch on teh back of the instrument cluster or may have a different marking on the screw holes (some were marked wit the letter B on both holes). The O2 light usually comes on at 90,000 mile increments which is when Isuzu recommends changing it.