2005 Trailblazer Crank No Start - Based on what you wrote, i would have the dealer test this. It sounds as though it might be the transmission and the neutral safety switch has gone out in it. The lock that you. This happens anytime it wants either after running or after sitting just random it cranks but wont start. Until i hit gas pedal then it starts but runs rough and at high idle. Failure to do so will cause a misalignment of the gears in the ignition switch and the lock cylinder housing, which may result in a no start or battery drain. Verify the alignment of the. I have a 2005 chevy trailblazer that has a no crank, no start issue. I pulled the starter relay and have power at terminal 87 and 86 but i have no signal request at terminal 85 when. Normal behaviour is the security lignt turns on for like 3 seconds and then truns off. Try to start it in the normal way. Watch for any activity from the security light. Also note if the. I have a 2005 trailblazer with 4. 2l. Engine cranks over but will not start. It tries to hit but won't. No codes showing mechanic's assistant: Have you checked the engine's fuel. Your fuel pressure is too low. That is likely part of the problem. Minimum fuel pressure specification for a 2005 4. 2l engine is 50 psi. Again, did you spray some starting fluid. I could get it too act normal if i took the cable off and reconnected it, even my. Now if the engine cranks, but does not start, get a can of starting fluid from an auto parts store. Remove the air tube from the throttle body, spray in some starting fluid (just a. It seems your crankshaft position sensor may be at fault. Sometimes the map and/or maf sensor can be at fault too. Does the 'check engine' or 'service engine soon' lamp.
Based on what you wrote, i would have the dealer test this. It sounds as though it might be the transmission and the neutral safety switch has gone out in it. The lock that you. This happens anytime it wants either after running or after sitting just random it cranks but wont start. Until i hit gas pedal then it starts but runs rough and at high idle.