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91 Firebird Starting/spits Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Automotive Repair>> Engine Troubleshooting Snackpack New User Mar 16, 2009, 2:51 PM Post #1 of 4 (2340 views) 91 Firebird Starting/spits Sign In Hello, I got a 1991 5.0 Liter V8 pontiac Firebird Manual 5 speed, with about 110,000 miles. When i bought the car it ran but not very well. I just put in a $600 tune up at the shop and they replaced the plugs,wires filters and other things. After that the vehicle ran great for about two weeks then it started spitting really bad and acted like it was not burning anything. When I try to start the car it will start then instantly die. after about twenty starts of casually pumping the gas it will slowly start to stay alive then die. After awhile it will run by itself when its very warm. Once its warm the car runs great till i go inside somewhere for 10 minutes and i have to do the starting process again. Today when i tried starting it i kept on trying and the car started but then nocked once or twice and its never done that before. Loren Champlain Sr Veteran / Moderator Mar 16, 2009, 5:10 PM Post #2 of 4 (2336 views) Re: 91 Firebird Starting/spits Sign In Snackpack; Surely, your 'tuneup' is still under warranty; I'd suggest that you take the Firebird back in and have them recheck it. What, exactly, were the "other things" they did besides the tune parts? Fuel injection cleaning, fuel filter? Ask that they check the CTS readings hot and cold. If you didn't have the injection cleaned or the fuel filter replaced, I'd put that on my 'to do' list. Loren SW Washington Snackpack New User Mar 16, 2009, 5:26 PM Post #3 of 4 (2334 views) Re: 91 Firebird Starting/spits Sign In Ill take it in and have them recheck it. Im pretty forsure they did the fuel filter not the cleaning though. Ill ask them to check the cts readings hot and cold. When I bought the car they guy left the amplifire for subwoofers unconnected and I drove around and the ground and power wire touched and started to melt really bad and took the cars power from the batery to the wire melting. What damage could this have done to the engine? i just remembered but the car ran different but still ran good but after awhile it got worse. Loren Champlain Sr Veteran / Moderator Mar 16, 2009, 5:48 PM Post #4 of 4 (2330 views) Re: 91 Firebird Starting/spits Sign In Anytime you have an electrical short in a computer controlled vehicle, or anything for that matter, is not good. But, that should show up like a sore thumb when scanning the PCM. Not sure that I'd worry about that at this point. If the shop comes up with any DTCs, post them, and we'll try and help. Loren SW Washington   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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