Question about 2001 Pontiac Bonneville

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2001 Pontiac Bonneville. Service engine soon light stays on. Went to Auto Zone and had them check out why the service light stays on, does not flash. They suggested to disconnect the battery, replaced fuel filler cap, had a misfire on #5 cylinder (replaced coil pack for 2 and 5), replaced plugs and wires. Haven't driven on the road yet. Let idle and rev'd up. Light is still on. How can I investigate further what the problem is. Can I jump some plug to clear the codes or read them at home without a trip to the shop. Thanks Bob

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The scan tool that they used at autozone should be able to erase them and tell you whether they are existing codes or just stored. Hope this helps.

Posted on May 10, 2009

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Hi if the check engine light is still on then the problem is still present you will have to get it scaned find out the fault code and repair that before the check engine light will go out
no you can't jump it to clear the codes it has OBD2 to clear the code you need a scan tool
hope this helps you

Posted on May 10, 2009

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My check engine light is on as well, and its the oxygen sensor.

Posted on Sep 11, 2009

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