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Troubleshooting Rich Fuel Mixture on EFI Systems, XJ6 Series II and III

Diagnosing rich running on the fuel injected 4.2L engine, covers checking of the coolant temperature sensor, fuel pressure regulator, oxygen sensor, fuel injectors, cold start circuit, fuel changeover system, air flow meter (AFM), and ECU.
Written by – 2011-05-11
How-To Library > Carburetors and Fuel Section


— Troubleshooting Rich Fuel Mixture on EFI Systems, XJ6 Series II and III —
Written by – Created 2011-05-11 Published
Contents © Copyrighted and published under the following terms:
Released under the terms of the CC Attribution-NoDerivs 3.0 Unported License



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