Check engine light

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Aug 16, 2013 | 12:04 AM

glperez

Thread Starter

Newest Of Newbies

Joined: Jul 2011

Posts: 27

From: orlando, fl

Check engine light

I took my car to auto zone and the code that came up was P0420. Someone help please

Aug 16, 2013 | 12:48 AM

WheelBrokerAng

Administrator

Joined: Aug 2004

Posts: 30,424

From: Canton/Massillon, Ohio 44646

Hello Member

Quote:

Originally Posted by glperez

I took my car to auto zone and the code that came up was P0420. Someone help please

Your Auto Zone code reader must have been a real dip..report him to his manager for not telling you what was wrong .
P0420: 4 possiable forrays.
#1 Engine could be misfiring
#2 You might have a large vacume leak in your vacume line
#3 Catalytic Converter defective which will also mess up your 02 sensor.
#4 You might have an engine oil leak goining into your exhaust valve guide seats and piston rings.

WheelBrokerAng