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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...

MISFIRE 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 CANDO New User Sep 13, 2012, 1:35 PM Post #1 of 5 (1722 views) MISFIRE Sign In 2001 JEEP GRAND CHEROKEE RUNING ROUGH.PLUGS BLACK FOULED REPLACED W/AUTOLIGHTS NO HELP. REPLACED FUEL FILTER WAS CLOGED STILL RUNNING BAD NO TROUBLE CODES PLEASE HELP Hammer Time Ultimate Carjunky / Moderator Sep 13, 2012, 1:50 PM Post #2 of 5 (1704 views) Re: MISFIRE Sign In That really doesn't add up at all. If the car is running that rich, it should be setting a code unless the O/2s are so clogged that they can't read at all. It needs to be diagnosed with a scan tool to find out if the O/2s are working. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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. CANDO New User Sep 13, 2012, 2:28 PM Post #3 of 5 (1689 views) Re: MISFIRE Sign In CUSTOMER BROUGHT VEHICLE IN W/DEAD BATT.O2 READING OK CATS BURNING OK AND COMPRESSION 130PSI zmame Veteran / Moderator Sep 13, 2012, 4:23 PM Post #4 of 5 (1673 views) Re: MISFIRE Sign In ME GO FIX CAR NOW!!! Hammer Time Ultimate Carjunky / Moderator Sep 13, 2012, 5:15 PM Post #5 of 5 (1669 views) Re: MISFIRE Sign In I didn't realize you were a tech. You should be able to figure out what's going on by analyzing the sensor data. If you have good 0/2s and a rich mixture, the computer has to pick that up if it's working properly. Maybe you should try to induce a code. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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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