O2 sensor problems, possible ecm failure ?
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Joined: Oct 2001
Posts: 61
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From: Dundalk, MD
O2 sensor problems, possible ecm failure ?
I just grabbed a new O2 sensor at AutoZone, since I was having problems with the one currently in my '91 RS 305 TBI (which is only 6 months old). I'm getting a code 13 anytime I'm at a constant cruise. WinALDL reports the O2 voltage at the ECM to be .451 ALL the time, except once in a blue moon it goes up or down .01V or so. So I put in a new O2 just to be certain, and I'm getting the same results. I tested the O2 wire from the ECM to the socket with an ohmmeter, and I was seeing resistence on the wire so that seems to be OK. Could my ECM be failing ?
Kyle
Kyle
Joined: Feb 2002
Posts: 3,462
Likes: 4
From: N. Illinois
Car: 92 GTA/ 00 TA
Engine: 383/350
Transmission: 700R4/T-56
Haynes (for what it's worth) also suggests checking the TPS when a code 13 is thrown.
Last edited by Viprklr; Jul 22, 2002 at 11:22 AM.
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