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2000 Chevrolet Malibu Tapping Noise 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 dnorto3 New User Mar 3, 2010, 8:20 AM Post #1 of 4 (2866 views) 2000 Chevrolet Malibu Tapping Noise Sign In 2000 Chevrolet Malibu V6 80K miles There is a loud tapping from the engine that speeds up with engine acceleration. Stick Valve? Bad Lifters? Rod? Can a fuel injector make this noise (that's where I hear it with Stethoscope). Car runs GREAT! Has much POWER! Idles GREAT. I don't want to put much money into this car so am trying to pinpoint the problem before I begin replacing parts... Can anyone help? Sidom Veteran / Moderator Mar 3, 2010, 10:03 PM Post #2 of 4 (2861 views) Re: 2000 Chevrolet Malibu Tapping Noise Sign In With out hearing the noise it's hard to guess..... All the things you mentioned could cause the problem. If you can't pinpoint it for sure it might not be a bad idea to pay a few bucks to have a trained ear take a quick listen..... Could winded up being cheaper in the long run dnorto3 New User Mar 4, 2010, 7:45 AM Post #3 of 4 (2857 views) Re: 2000 Chevrolet Malibu Tapping Noise Sign In Hey...thanks for your reply! I appreciate it. So, can a Fuel Injector make that much noise? Sounds like two ball peen hammers tapping and you can hear it over the motor...when I use the stethoscope, I hear the sound loud and clear on the fuel rail...more so then on that part of the engine. I agree with you on the taking it for a diagnosis...and will follow that advice if I don't hear anything concrete... Thanks again...let me know your thoughts about the fuel injector. Darn car runs terrific and has great power. Sidom Veteran / Moderator Mar 4, 2010, 2:03 PM Post #4 of 4 (2853 views) Re: 2000 Chevrolet Malibu Tapping Noise Sign In While injectors can make a loud tapping noise, it's unlikely this is the noise you are hearing.... More than likely it's a lifter or rocker arm problem............   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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