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2003 GMC Yukon XL Denali Question: CHECK ENGINE LIGHT ON WHEN RAPID ACCELLERATION, CODE SAYS OXYGEN INTAKE PROBLEM

 

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tomwebb, Louisville, KY, October 01, 2013, 05:35
 Rookie

WHEN I CHECK WITH ONSTAR DIAGNOSTICS THEY SAY IT IS NO LONGER A PROBLEM BUT HAVE IT CHECKED IF LIGHT STAYS ON. IT IS NOW ON FOR OVER 10 RESTARTS. BEFORE IT WOULD GO OFF AFTER 4 OR 5 RESTARTS. SHOULD I BE CONCERNED?

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    Greg's Orange Auto (13030 Answers) , Orange, CA - (714) 361-9386
    globalhelper October 01, 2013, 06:13
     Master

    what is you code number?

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    tomwebb, October 01, 2013, 09:21
     Rookie

    updated-CHECK ENGINE LIGHT CAME ON W/RAPID ACCELERATION. CODE READER READ 2 CODES-P0101 & P0420. NEED PROBABLE CAUSE AND COST TO REPAIR. 2003 GMC YUKON W/6.0 ENGINE. THANKS IN ADVANCE

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