Question about 2000 Chevrolet Tahoe

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I have a 2003 Tahoe, and the engine light has come on (not flashing) it has been 2 days, and the only thing I have done was go through a car wash (automatic). I'm wanting to know if it may be the electrical system got wet or what? It has happened before a while back the light went off in a couple days. I checked the gas cap to be sure it was secure, I have used a cleaner that goes in your tank.

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  • mechanic144 May 11, 2010

    well if you went through an automatic car wash then likeliness of an engine sensor getting wet or unplugged from the pressure is highly unlikely as the hood is usually closed, but stranger things have happened. If your check engine light is on and is on solid, and you went through an automatic carwash, then perhaps some water trickled the hood from the openings, and get into the distributor...this may or may not always cause a rough running but will certainly trigger a check engine light, as its detecting a misfire in one or more cylinders...if the light hasn't reset itselft by now, then perhaps you can try to disconnect the battery for a little bit..go have a coffee and come back and reconnect the battery ground cable and try that...if the light still fails to go out, then you must take you truck to a repair shop to get the code scanned, and cleared...since the light is on solid and NOT flashing it won't be that big a deal to get it to a shop....good luck

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The fuel additive may have set a rich or lean code . How many miles ago did you put the additive in ?

Posted on Aug 11, 2017

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Most auto parts stores will check your engine codes for free. Check them and see what codes pop up. Emission codes can pop up whenever and out of nowhere. But it could be 100 different things unrelated to what you've done recently.

Posted on Aug 11, 2017

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My Rav4 1999 model automatic gear is changing late and also very lazy in climbing hills

Posted on Aug 11, 2017

  • Robert Wood
    Robert Wood Aug 11, 2017

    Is the mil lamp on ?

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SOURCE: Check Engine Light

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SOURCE: 2002 Impala - Check engine, tach flucuating, probs starting engin

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SOURCE: gas gage flips back and forth and low fuel light flashes

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Have a dealer or garage check your Oxygen (O2) sensor. As a quick fix, try disconnecting and reconnecting your car battery. Sometimes this will reset the check engine light.Good Luck!

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BCAS1298
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SOURCE: My 2006 Chevy Avalanche's check engine light came

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