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2003 Chevy Trailblazer At Witts end!!! Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Automotive Repair>> Car Troubleshooting kgower New User Aug 26, 2007, 5:56 PM Post #1 of 5 (2671 views) 2003 Chevy Trailblazer At Witts end!!! Sign In I have a 2003 Trailblazer lately at 4,000 RPM's it feels like it doesn't get any fuel. The code came up as fuel too lean so we changed the fuel filter and pump with little results!!! Now it will not shift up from 3rd but the tranny feels fine. We also replaced the fuel pressure regulator. Any help would be awesome I am about to just trade it in I am so frustrated!!!! Tom Greenleaf Ultimate Carjunky / Moderator Aug 27, 2007, 2:44 AM Post #2 of 5 (2666 views) Re: 2003 Chevy Trailblazer At Witts end!!! Sign In Even with the parts you have already replaced I would check the fuel pressure, T kgower New User Aug 29, 2007, 2:54 PM Post #3 of 5 (2660 views) Re: 2003 Chevy Trailblazer At Witts end!!! Sign In We have checked the fuel pressure it is good the dealership had it today and think it might be the oxygen sensor, but they aren't sure. Tom Greenleaf Ultimate Carjunky / Moderator Aug 29, 2007, 4:23 PM Post #4 of 5 (2659 views) Re: 2003 Chevy Trailblazer At Witts end!!! Sign In Why are they "thinking" it's an o2 sensor when the car's computer would say so by code? Get the code read and see the results. The reading may be wrong but it leads the way as to where to go next, T kgower New User Aug 29, 2007, 4:35 PM Post #5 of 5 (2656 views) Re: 2003 Chevy Trailblazer At Witts end!!! Sign In The only code coming accross is that it is running too rich now!!   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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