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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     Car idles funny but doesn't throw codes 2006 Hyundai Elantra Engine size: 2.0L m...   Rear brake retaining clips 2015 Toyota Camry. I bought Import Direc...   Sanded rotors (deep scratches) I'm new to the forum and I have a couple...   2010 Mazda 3 Electrical Going On and Off while driving I drive a 2010 Mazda 3. It's always been...   Code P0193 Fuel Rail Pressure Sensor Circuit High Bank 1 2004 Ford E-350 Super Duty Ext Cargo Van...   speedometer wild deflections; sometime pump gas 1999 Gmc Savana, rwd, 5.7 (I think) v8 ...   Car stalling problem My 2013 hyundai started losing power whe...   2018 Kia soul. Knocking while accelerating. Hello, my 2018 Kia soul started making t...     2005 Buick Lesabre surging My 2005 Buick Lesabre runs good & th... Misfire on coil E I am new to this forum. I haven't figure...

car will not go past 70.. 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 nicholascripe New User Nov 26, 2006, 10:21 PM Post #1 of 3 (1692 views) car will not go past 70.. Sign In i have a 1982 honda prelude..it recently has started having trouble..i have no idea what the problem could be..it takes forever to get up to speed and when i floor it, the car will not go past 70 mph..for now its fine but i dont' want it to progressively get worse..please get back to me with any ideas Tom Greenleaf Ultimate Carjunky / Moderator Nov 27, 2006, 2:19 AM Post #2 of 3 (1689 views) Re: car will not go past 70.. Sign In At around 25 years old this could be a lot of things but if it's been maintained and is running smooth but loss of power I would be checking for an exhaust restriction. A fairly easy test is checking manifold vacuum.......... Test at idle you should see about 18 Hg of vacuum. Now raise the idle to near 2,000 RPM and it should be dang near the same reading. If it drops more than a smidge it's telling you that's the place to look. If so the most likely restriction is the catalytic converter. If this does seem like the problem hit back and I'll try to narrow the odds for you before you spend bucks on a part you don't need, T nicholascripe New User Nov 27, 2006, 6:02 AM Post #3 of 3 (1688 views) Re: car will not go past 70.. Sign In thank you i'll test it out and let u know the outcomew   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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