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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   Won't pass smog 2001 Chevrolet Silverado 1500 5.3L 190k...   2017 Jeep Wrangler Rust on Doors My 2017 Jeep Wrangler JKU has rust on th...   Carbon Fiber parts/concern Im a bit of a hypochondriac so when I sa...   Introductions Hello everyone! My name is Fabiosilva, a...   2001 Saturn Interior lights flashing 2001 Saturn L300 V6 150k miles Hello,...   Broken rocker arm cover bolt I recently bought an 01 blazer and notic... 2018 Ford Fusion Titanium Hybrid swaying issue I have a 2018 Ford Fusion that seems to ...   2007 Hyundai Elantra Shaking and Jumping Hello, My 07 Elantra has 170,000 miles ...   Brake and rear right indicator not working Hello this us my first post on here I h...   engine issue cant figure out (maybe electrical) Nissan Sentra 2009 2.0 147k mileage I n...

Explorer bucking at certain rpms. 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 cavedweller3366 New User Sep 3, 2010, 2:29 PM Post #1 of 4 (1519 views) Explorer bucking at certain rpms. Sign In I have a 2000 Ford Explorer, 4.0 V6, SOHC, with 109,000 mi. 2 weeks ago, my thermostat froze closed. I didn't go as far as overheating that much...got lucky, caught it, and changed it. Truck ran like crap ever since. From the moment I buttoned it up, motor bucks at certain rpms (1600-2100) or when trying to climb a hill or pass another vehicle. I checked the air box/hose, redid all I did when i changed the thermostat, changed the AIC and MAFS. The plugs are new, the oil is new, the throttle body is clean. I just recently got a check engine light, but attribute that to the locking gas cap I just bought....I smell gas. Please help me so I don't go broke. :) Thank you so much for your time. Hammer Time Ultimate Carjunky / Moderator Sep 3, 2010, 2:33 PM Post #2 of 4 (1509 views) Re: Explorer bucking at certain rpms. Sign In Have you actually read the stored 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. cavedweller3366 New User Sep 4, 2010, 3:57 AM Post #3 of 4 (1501 views) Re: Explorer bucking at certain rpms. Sign In Yes, the code is an occassional P0442, Evap Sys Leak (small)....that is how it is worded on the OBDII. I started getting that code after I put an aftermarket locking gas cap on. I do get a fuel smell back of the truck. Thank you for your reply and inquiry. :) I appreciate any help I can get. Hammer Time Ultimate Carjunky / Moderator Sep 4, 2010, 4:37 AM Post #4 of 4 (1498 views) Re: Explorer bucking at certain rpms. Sign In It sounds like you haven't checked it since this problem started and are assuming it's only the same 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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