Possible causes – Plugged air intake or exhaust– Plugged fuel filter– Fuel pump failure– Injector failure Symptoms – Engine Light ON (or Service Engine Soon Warning Light) ISUZU Related P1171 code 1998 ISUZU RODEO Engine And Engine Cooling:engine:gasoline 1998 ISUZU TROOPER Engine And Engine Cooling:engine:gasoline 1999 ISUZU RODEO Engine And Engine Cooling:engine:gasoline 1999 ISUZU TROOPER…