04-07-2013, 05:28 PM | #1 |
Registered User
Join Date: Feb 2013
Location: Mandan
Posts: 80
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code 44
1990 suburban engine , 1991 1500 tbi harness.in 72 truck , i think the 91 harness has two o2 plugs. does my suburban have 2. one on each pipe, what would cause the 44 code. and how to fix.
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