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Does it ever "go away". On our Mazda you need to turn it off and see whether it comes on again.
Yeah, it does. On my car (Honda), I put the gas cap back on tight and drove for about 20-25 miles, the next time I started the car, drove for another 25-30 miles and it went off...
I hate to see women get screwed by mechanics.........so here's paying it forward. Most of the check engine lights are nonsense, in fact if you disconnect the battery right before the test it won't come back on and you will pass. I would literally pull up have a guy disconnect battery reconnect pass test and expect light to come back on soon, but who cares you passed!
Well - we drove around for 75-100 miles after he turned off the "check engine" light - and it came back on. Still haven't noticed anything about the car running strangely.
Since then, I got one of those code readers on Amazon (minus Amazon points, it cost me about $15) and I am going to have my fiance look at it and research the codes. I've also been asking around for recommendations for a trusted mechanic.
In my research, I found that there was a specific code that would come up if it was indeed the gas cap. I had two codes coming up during inspection, and I want to see what comes up when we read the codes from the car. Neither of them indicated the gas cap, and the mechanic could have told me that, rather than saying, "No, that never happens."
In any event, that mechanic destroyed his credibility with me, and I'm not going back.
I hate to see women get screwed by mechanics.........so here's paying it forward. Most of the check engine lights are nonsense, in fact if you disconnect the battery right before the test it won't come back on and you will pass. I would literally pull up have a guy disconnect battery reconnect pass test and expect light to come back on soon, but who cares you passed!
The way emissions testing is done here that strategy will not work. Not only does the check engine light have to be off, but the monitors have to be complete. That is to say, the car needs to have been driven long enough to run the powertrain computer self-diagnostics that were erased simultaneously with the fault code(s). If the cause of the fault code is not repaired, most likely the fault code and check engine light will come back when the tests complete.
The way emissions testing is done here that strategy will not work. Not only does the check engine light have to be off, but the monitors have to be complete. That is to say, the car needs to have been driven long enough to run the powertrain computer self-diagnostics that were erased simultaneously with the fault code(s). If the cause of the fault code is not repaired, most likely the fault code and check engine light will come back when the tests complete.
Don in Austin
It worked for me in Denver, fixed since then, good because CA will be hard to beat.
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