Check engine light

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My check engine light has been on for a while. Just last week I replaced the 3 coils, sparplugs and wires and also the air filter. I plugged in the code reader and it did not have any codes, but when I tried to remove the check engine light the code reader said it "failed." Any help will be greatly appreciated

Torianopahalahawaii459e24 in Naalehu HI

Jul 17, 2017

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What are the best Toyota repair shops?

RepairPal Certified shops can diagnose and repair your 1999 Toyota Tacoma. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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Check engine light

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Torianopahalahawaii459e24 in Naalehu HI

Jul 17, 2017

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pushrodon Jul 17, 2017

Your "code reader" can not communicate with all of the onboard modules .. Recommend professional 'scan test' to determine what the fault is.

Torianopahalahawaii459e24on Jul 17, 2017

Do you mean a diagnostic machine test that a automotive shop would do?

pushrodon Jul 17, 2017

Yes, 'most' up to date repair shops have the scanner that's needed... These scanners are pretty expensive but a necessary tool for diagnosing, testing and repairing computerized vehicles... The proper scan tool - in the right hands - can work wonders when it comes to fixing problems we have with vehicles nowadays!

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Popular Answer

What are the best Toyota repair shops?

RepairPal Certified shops can diagnose and repair your 1999 Toyota Tacoma. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.