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Check engine light just came on went to auto zone diagnostics won't read the computer the tech said probably a fuse what fuze and where would that be located?

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What kind of help were they?
Did they check all fuses?
Take to a repair shop & get
it properly diagnosed & repaired
Google the Codes you got at auto zone,
to see the system with the fault

Posted on Aug 01, 2013


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Posted on Jan 02, 2017

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SOURCE: 1997 chevy cavalier

Check your fuse to your cigarette lighter then go back to autozone and see if they can get codes to pull. I have seen this before. Hope this helps.

Posted on Sep 24, 2008

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SOURCE: Cooling Fan Fuse

Sounds like a short in the wiring, or a bad fan motor drawing too much current. Check the wiring for shorts, if none are found, replace the fan motor.

Posted on Jun 10, 2009

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SOURCE: running lean

02 sensor is what causes lean and rich mixture. If it is not correct then 02 sensors beed ti ve reokaced,

Posted on Sep 29, 2009

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SOURCE: Check engine light came on my 2002 Rav 4. Auto

Chances are, it's going to be either 1 of the 3 switches that need replacing, a new gas cap or a new charcoal canister. The 2 switches under the hood are the VSV for CCV and VSV for EVAP. The one at the canister itself is the VSV for VSP. This VSV for VSP typically goes bad before the other 2 switches do. Plus, the switches are much cheaper than a new canister. (BTW, VSV stands for vehicle switching valve.)

PO446 is an evap canister code

Posted on Oct 28, 2009

Testimonial: "Very good- a little too complex for me to fix unless a part can be replaced. Can the repair be simplified?"

  • 297 Answers

SOURCE: 2001 galant, had cam shaft sensor replaced. Check

Ask your mechanic to please verify that he has the cam set in exactly the right position, and that the wires connecting it are still in good shape. The "misfire" could be that the computer is seeing the fuel-air explosion, and thinks it is at the wrong time due to the sensor being off.

Posted on Jul 21, 2011

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Hi. there are two reasons for a non scan when dealing with the diagnostic CPU. one is user error. most auto zone techs are not trained to use the diagnostic equipment correctly and if a problem comes up and they cant get a reading, the usually will blame the non scan on the patrons vehicle. Even if you had a few blown fuses in this vehicle, you should be able to still grab a code. doesn't matter if the fuse is blown.The only technical error that can exist in your vehicle that could block a proper scan would be a ecm/pcm failure or, a damaged input port that is used by the diagnostic cpu to download the trouble codes.

I recommend first, taking it to the dealership so that you can get a professional diagnostic scan run by a real technician. If there is another scan error once more, it will most likely be the input port under the dash that is damaged or the vehicles cpu may be damaged as well.

Please rate and god bless:)

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Check your fuse to your cigarette lighter then go back to autozone and see if they can get codes to pull. I have seen this before. Hope this helps.

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