Check the fuses Did you have the car tested for pollution recently - as durignt he test the ABS brakes are subjected to braking only on front and nto the rear - causing an error condition which will illuminate the light - that can be normally reset if you ride the car around for aout 500 feet and braking periodically.
Yes, you can do a computer diagnostic on your Camry. For the 88 to 91 Camry there is a diagnostic plug near the drivers side strut tower, under the hood. When you connect the E1 and TE1 terminals and turn on the key you can count how many time the engine light flashes and correspond with the codes. You will need the repair manual for this.
The light is on because the computer has detected a problem with the emissions system. Have it scanned and the problem repaired, and the light reset with an OBD2 scan tool. It will not go out until the problem is corrected.Answergo to autozone for a free diagnostic check & the computer will tell you no purchase nessasary
It is the port, where a diagnostic machine can be hooked up. The diagnostic will read codes from your vehicles computer. For instance if your check engine light comes on, you can plug the diagnostic machine into the data port and it will tell you why the check engine light came on so that you can get it fixed.
What did the diagnostic code tell you before you replaced the EGR valve? You should not have replaced the EGR valve unless you have already run a diagnostic code otherwise you probably just wasted money. Oxygen sensors are a more common problem, especially since they routinely wear out. Also, map sensor, throttle position sensor, crankshaft position sensor... and a whole lot more, can cause a check engine light to come on. Don't guess; run a diagnostic code and figure out what the computer is detecting. Then replace ONLY what the computer indicates has failed.
As far as i know you dont. You will most likely have to disconect the battery or have the light reset by a auto shop. You could also buy the diagnostic computer and do it your self. You might want to have a auto shop check out why the light is on though as it could be important and could save you a lot of $$ if you fix the problem.
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