Check Engine Code 45 - Defender Source
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Old July 1st, 2010, 08:43 AM
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The Wizard
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Douglas Wozny
1994/ Defender 90 #500
Join Date: Dec 2005
Location: Colorado Springs, Colorado USA
Posts: 91
Check Engine Code 45

I was finally able to find the box that displays check engine codes when the check engine light comes on. It is displaying 45 which my source says means "Lambia senor B - right bank". So, in practical terms, what does this mean? Do I have to run to the mechanic today on my lunch hour and get it fixed or can I wait until next week?
The Wizard
To paraphase "Oddball" (Donald Sutlerland, "Kelly's Heros", 1970) "I only drive 'em, I don't know how to fix them."
1994 Defender 90 No. 500
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Old July 1st, 2010, 09:10 AM
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Charles Galpin
'94 D90 ST, '63 SeriesIIA
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Join Date: Jan 2004
Location: South Riding, VA
Posts: 11,623
It's the O2 sensor. Clear the code and see if it comes back before worrying about it. To clear the code, disconnect the ECU, turn the key to the run position for a few seconds, then reconnect the ECU. You will get a 02 code at first start which says you disconnected the ECU.
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Old July 2nd, 2010, 10:28 AM
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Read Kerlin
'94 w/ POE HT
Join Date: Sep 2003
Location: Los Angeles, CA
Posts: 244
ODB1 fault codes print a copy and stick it in your cubby.
Insert pithy quote here.
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