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Jun 23, 2016 | 02:18 PM

dchavez

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Joined: Nov 2012

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From: Phoenix, Az

Obd-1

On an OBD-1, can the ECM be throwing codes even if the CEL is not on?

Jun 23, 2016 | 05:51 PM

justintendo

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From: western pa

yes

Jun 25, 2016 | 08:07 PM

dchavez

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From: Phoenix, Az

So I pulled some codes today and I got 33,34 and 46. I believe 33 and 34 are related to EGR not working but not sure what 46 is. Any help?

Jun 25, 2016 | 08:24 PM

BLDTruth

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From: Oregon

http://www.troublecodes.net/ford/

I'd replace all the vacuum lines before I started throwing parts at it - at least 50% of the time codes having to do with the EGR and air system are the result of cracked/bad vacuum lines.

Jun 25, 2016 | 08:45 PM

dchavez

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From: Phoenix, Az

Thanks for the advice. I check all the lines and go from there.

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