One problem related to crankshaft position sensor has been reported for the 2005 Chevrolet Trailblazer. The most recently reported issues are listed below.
I have 2005 Chevrolet Trailblazer 4wd ext LS 4. 2 liter. I noticed over past 3 years that I be at drive through for burgers and etc. The car would cut off. I did not think much of it at the time. It has gotten critically worse. It would cut off in middle of the highway, drive throughs and etc. During the past two years I have re the luster and over head dome light flicker. Head lights very dim on driving also I have replaced on this vehicle the fuel throttle and sensor, a crank sensor a cam sensor, a temp sensor 4 power steering pumps new the power steering rack and assembly wheel hubs and bearings, all new coils spark plugs, belt idle pulley power steering pulley change oil every 3,000 miles air filter change battery, updated soft ware, flush fuel system, service the air condition replaced rear shocks, gm relaced pulley on engine 2010 replaced the pvc hose flush radiator and brake system, rotation and alignment done every 5000 miles, replaced headlight low beam bulbs and left tail light assembly and lens, I had it to Chevrolet private mechanic garage and nothing is reading wrong also notice the ecm not storing the service engine light stay a microsecond on. This highly dangerous can stal or quit and be run over on highway. I noticed on the web on cars complaint. Com amany people have cmplainted this issue. Chevrolet had investigated ths issue aaaaand no resolve. I felt the vehihicle may have a short r a bad alternator or starter. . Vehivle was sitting at intersection I noticed it tries to stall on driving also. All records are with car.