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Automotive Repair Car Troubleshooting Topics   Car Troubleshooting   Engine Troubleshooting   Engine Fault Codes   Electrical and Wiring   Transmission Problems Car Repair Topics   Car Making Noises   Car Stereo Repair   Heating or AC Issues   Motorcycles and ATVs   Tricks of the Trade   Truck Repair Advice Site Options:      Login   Sign up here! Latest Forum Post   1989 toyota pickup 3.0 crank no start I have a 1989 toyota pickup 3.0 crank no...   Strut spring orientation and strut mount tension nut 2017 Nissan rogue awd 2.5 L Put in Monro...   Transmission stuck in part, I have tried everything So I'm working on my elderly fathers 201...   2017 dodge journey LED headlights on/off randomly Year of vehicle 2017 Make of vehicle dod...   Kia Soul starter replacement issues! Okay so my car is a 2010 Kia soul 2.0 en...   Please Help - Knock sound & engine fail Hi all, Hoping to get some insight and ...   multiple warning lights 2013 GMC Terrain 130,000 miles 4 cylinde...   03 alero no low speed blower Good day everyone, I have a 2003 Olds a...   04 Chevy 2500hd tail light issues Help!!! I have changed my combo switch...   1999 Grand Caravan Sport not starting. Hi. I'm new here. I hope someone can hel...

engine miss 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 ivanho User Dec 3, 2014, 7:46 PM Post #1 of 3 (1505 views) engine miss Sign In I have a 93 Chevy. Lumina 3.1L v-6, sometimes car runs great and then out of the blue it will have a miss and a definite loss of power. Can anyone help me figure out what could be causing this problem. It doesn't miss all the time. It's an on and off occurrance. I changed plugs and wires in hopes that that was the problem, but it's not. Discretesignals Ultimate Carjunky / Moderator Dec 4, 2014, 5:45 AM Post #2 of 3 (1473 views) Re: engine miss Sign In This trick on that one is to find out which cylinder is misfiring. You may need to do a power balance test to determine which cylinder it is when the misfire is occurring. Once you figure out which cylinder, you need to figure out why. Of course, the worst engine to do a power balance test on without a scan tool is your engine because of the location of the coil pack and the inability to access the injector connectors. https://www.youtube.com/watch?v=bAOmUjAjNjE Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved. (This post was edited by Discretesignals on Dec 4, 2014, 5:53 AM) ivanho User Dec 4, 2014, 9:24 PM Post #3 of 3 (1445 views) Re: engine miss Sign In Just wanted to thankyou for your input and wanted to let you know that you hit the diagnosis right on the money. The problem was the coil pak failing to produce enough spark and was dropping in power. You are the best. Thanx Ivanho   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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