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Old 01-07-2022, 02:52 PM   #4
kwmech
Senior Member
 
Join Date: Mar 2003
Location: Colfax-California
Posts: 8,391
Re: TBI 5.7 dreaded code 42 saga

Did you check the timing plug to make sure it is plugged in? Single tan wire with a black stripe near the firewall. Ground wire to the engine block? Was the timing set correctly? Disconnect the wire, set timing to spec, plug wire back together
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