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93 Cutlass 3.1 misfiring 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 voidsurfer New User Jun 1, 2010, 6:14 PM Post #1 of 4 (1640 views) 93 Cutlass 3.1 misfiring Sign In Have a 93 Cutlass Supreme ragtop w/3.1L engine 120,000 miles on it. Engine started missing. Talked to people said to change wires and plugs which I did. Now it is still missing though not as badly. When engine first starts, it runs smoothly no missing, but within minutes it starts missing on 1 cylinder. Once in awhile for a cycle it will run smooth, but that is unusual. Rechecked connections and all are good. Only odd thing was that in replacing spark plug wires, I noticed that the end connector on the "distributor" block thingie didn't look good so used a fine grit sandpaper to polish it. Did not help problem. Everything else looks fine. Any suggestions would be greatly appreciated. Hammer Time Ultimate Carjunky / Moderator Jun 1, 2010, 6:21 PM Post #2 of 4 (1638 views) Re: 93 Cutlass 3.1 misfiring Sign In Distributor? That car shouldn't have one. The wires go directly from the coils to the plugs. If there is corrosion on the coil towers, then you need to change that coil too. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional. voidsurfer New User Jun 2, 2010, 3:27 PM Post #3 of 4 (1631 views) Re: 93 Cutlass 3.1 misfiring Sign In Thanks for the reply. I do not even know what that block the wires run from to the spark plugs is called and you have kind of confirmed my worst suspicion about it needing to be replaced. Hammer Time Ultimate Carjunky / Moderator Jun 2, 2010, 4:12 PM Post #4 of 4 (1628 views) Re: 93 Cutlass 3.1 misfiring Sign In There are a lot of things much worse than replacing a coil. that's not a big deal at all. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.   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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