Re: Code 51 translation please.

From: Mark Kuzia (flyboy01@comcast.net)
Date: Fri Jun 07 2002 - 21:43:43 EDT


I got that code a couple of times, and my engine was eating O2 sensors at
about one per 5000 miles, it turned out to be oil leaking out of the top
shifter seal and shorting out the O2 sensor. Sounds weird, but the dodge
mechanic that fixed it came up with that one. I thought he was an idiot, but
it turns out he was right, 25,000 miles later, not a problem.

Another time, the vent tube going to the filler neck was pinched and was not
venting, the fuel tank had a vacuum and little fuel was getting to the
engine. Vent tube was fixed, problem never re-occurred.

Mark Kuzia
Mark's Diecast Inc.
flyboy01@comcast.net
http://www.dragtruk.com/ENTRIES/kuziamark.html
1995 Dakota "Fastdak"
~360ci, 5-spd, 8 3/4 rear / 3.90-SG
1994 Dakota "Crack Dak"
~318ci, 5-spd, 3.90 LS (bone stock, no mods)

----- Original Message -----
From: <victor.williams@byers.com>
To: <dml@dakota-truck.net>
Sent: Friday, June 07, 2002 11:46 AM
Subject: DML: Code 51 translation please.

>
> DMLers,
>
> I got a check engine light and a code 51 yesterday. I think that the
> engine stumbled for a little while then cleared up. Didn't see if after I
> retrieved codes and I haven't seen it today.
>
> the trouble code description reads :
> "A lean air/fuel mixture has been indicated by an abnormally rich
> correction factor."
>
> What would cause that ?
>
> Thanks
>
> Victor Williams / Marietta GA
> '95 DAK CC, 318 , 5 sp lsd,K&N dropin,Jacobs Ign,Jardine catback. 222k
> miles..
>



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