Question about 2002 Chevrolet Blazer
P0128 (Coolant thermostat-coolant temp below thermostat regulating temperature) Possible cause-Mechanical fault
P0155 (Heated oxygen sensor (H)2S)1, bank 2,-circuit malfunction) Possible cause Wiring, H02S, ECM
P0171 (System to lean, ban 1) possible cause intake blocked, EVAP canister purge valve, fuel pressure, EGR system, injector(s), H02S
P0300 (Random/multiple cylinder(s)-misfire detected) Possible causes Spark plug(s), HT lead(s), injector(s), ignition coil(s), low compression, or wiring.
Posted on Sep 05, 2009
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Posted on Jan 02, 2017
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