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Grand Future Air Dried Beef Dog Food
Air Dried Dog Food | Real Beef

Grain-Free, Zero Fillers

Electronic Spark Monitor


mwdtrucks
11-06-2007, 02:12 PM
1988 Chevy Silvarado , Truck Will Start And Idle , But Will Not Run When Trying To Drive It. I Put A Obd1 Reader On It And Got The Following Codes, 42 Electronic Spark Monitor Error , 44 Oxy Sensor To Lean. Please Help How To Fix.
silverado122775
11-06-2007, 02:49 PM
Have you checked the timing?
When it idles, does it make any noise or shake?

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