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Hello,

Check engine light came on the 'rent's '98 Corolla VE last week. I checked the gas cap, tightened it, and then disconnected the neg. terminal for several minutes and the CEL went away. Motor's approaching 200K.

Is this a common occurence on these vehicles, or was it probably just a gas cap issue? I know another friend's 2001 had a CEL problem too.

Is the 1ZZ-FE motor driven by a chain?

Thanks for any input.
 

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:canada: Had same "check engine" light problem (98 model VE).
First correction was to replace the Vapor Pressure Switch located next to the engine. The rubber mount on the device had lost it due to corrosion ($175 w/labour); the light was probably reset to off by disconnecting the battery, because problem re-occured two months later, and located at the Vapour Cannister's valve located above the gas tank; the valve remained closed due to heavy corrosion ($171). The hitch here is that the darn light only serves to inform you that there is a problem w/the antipollution system, that is getting vapours back to the gas tank...so you may want to leave it glowing, or flatten your wallet by sending those extra bucks to the well reputed Toyota world!!
 

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I have the same problem. The "check engine" light would come on for a week or so, then goes away. I switched the gas cap, the light will go out after a few days. After another week, it would came back on. Now, it pretty much stays on. Is there a way to switch that part of the sensor off, so it won't report this "nuisance". I still would like the "check engine" light to come on if there is some serious problem happening to the vehicle. My 97 Corolla CE has 105k miles. Other than this "light" problem, it has no problem what-so-ever. BTW, I'm still on my original breaks. Thx. Anita
 

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Check engine light

Heres some random info dont know if it helps

-I have a problem with my 97 corolla check engine light, turns out its just a bad 0 2sensor on the car, costs over $100 to replace but you dont really need to, its hasn't been working on my car for years. Found out by having a basic scan done on the car for diagnosis.


-Another thing to try first though, is putting the car key to the on position, and holding the trip meter for 8-10 secs, should reset light, maybe it just came on for the hell of it. Not sure if that will work on all models.

-Also have been told from dealer that gas cap not being on just the right way can set that light off too sometimes.
 
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