FLASHING check engine light
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Junior Member
Joined: Sep 2004
Posts: 1
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FLASHING check engine light
I know its an oxygen sensor problem...but I was hoping for a bit of clarification. My truck started running rough, I mean really chugging, like a cyclinder dropped out---but only between 45-60 mph ???
and the check engine light ( which has been on for a while) starting FLASHING intermittently.
any thoughts?
and the check engine light ( which has been on for a while) starting FLASHING intermittently.
any thoughts?
Senior Member
Joined: Jul 2004
Posts: 1,714
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From: The LBC (Long Beach, CA)
Could be any number of things. Could be your MAF sensor. Could be a huge air leak. Could be...?
Take it to an Auto Zone and they'll hook up a code reader for you, so you can know for sure without throwing parts (and your time) at the problem.
Take it to an Auto Zone and they'll hook up a code reader for you, so you can know for sure without throwing parts (and your time) at the problem.
Senior Member
Joined: Oct 2002
Posts: 7,295
Likes: 125
From: St. Louis (Out in the woods)
A FLASHING CEL is usually a misfire.
The codes will guide you. Get them and WRITE THEM DOWN, post them here for advice before letting the drone at AutoZone sell you parts.
Steve
The codes will guide you. Get them and WRITE THEM DOWN, post them here for advice before letting the drone at AutoZone sell you parts.
Steve