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Ron Z.
Ron Z., - Kia Tech -
Category: Kia
Satisfied Customers: 17942
Experience:  18+yrs experience. State Inspector & Kia Diagnostics/Repair
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My check engine ligh tis on but I don't seem to be having

Customer Question

my check engine ligh tis on but I don't seem to be having any issues
JA: Does the light stay on, or does it blink?
Customer: solid
JA: What is the model/year of your Kia?
Customer: 2005 Amanti
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: Not really, was going to tke it for a reading for the light
JA: Anything else you think the mechanic should know?
Customer: I do think I am about due fo ran oil change
Submitted: 3 months ago.
Category: Kia
Expert:  Ron Z. replied 3 months ago.

When the Check Engine light comes on, this is the on-board computer's way of telling you it sees a problem in one of the monitored systems. Unfortunately, there are literally 100's of parts and sensors monitored in various systems, and to take a "guess" as to which part/sensor in which system is faulty, is virtually impossible. However, if you are not experiencing any drivability issues such as skipping, stalling, shifting problems, etc, then more than likely, the problem is going to lie in the EVAP (emissions control/recovery) system. Very commonly, this could be a faulty, loose or missing fuel cap or even putting fuel in while the vehicle is running can set the light. Check the underside of the fuel cap for any cracks or signs of defects that may keep the cap from sealing correctly. If there are any doubts about the inspection of the cap, replace it. Keep in mind, you will need a cap that meets OE Specs. Those "universal" or "locking" fuel caps sold at after market parts stores do not meet OE specs, and will not seal the system correctly. Check the top of the fuel filler neck for any signs of damage or debris. Check under the vehicle, around the rear areas of the vehicle, looking for any vacuum lines that have dry-rot cracks, holes or loose/missing connections. If these all check out, then the best thing to do at this point is to have the Diagnostic Trouble Codes (aka "p-codes") read from the on-board computer. These p-codes are what is used as a "starting point" for the diagnosis and will tell which part/sensor, in which system, has the fault. There isn't a Mechanic on the planet that can tell you what is wrong with the vehicle just by "looking" at the Engine Light. Every single Mechanic's first course of action WILL be to obtain the p-codes. It's standard diagnostic procedure. Once you get these p-codes you can more accurately and efficiently diagnose the problem and then make the correct repair. You can have these p-codes read FREE (except in California) at any local "big chain" part store (ie. AutoZone, PepBoys, Advanced, etc). If you found this answer helpful, please help me by leaving a rating using the "stars" at the top of the page or click 'accept'.
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Customer: replied 3 months ago.
Great advice.
Expert:  Ron Z. replied 3 months ago.

Glad I could be of some help today! Please remember to leave a rating! If you have any other questions on this once you have those p-codes, feel free to reply! Follow-ups are always free... even after you rate! Have a great day!