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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   mdma pills for sale : WhatsApp +33758633852 ketamine, 4-MMC, MDPV, methylone, amphet...   Buy Nembutal Oral Solution Pentobarbital.. WhatsApp +33758633852 order nembutal online in Germany (WhatsA...   Drive Shaft Repair I have a 2015 Chevy Traverse AWD. The fr...   2006 Toyoto Camry XLE Driver Side Electric Window Trouble Hello, Looking for a little brain help ...   Tierod end change caused some kind of leak Hello so I just took my car to the nearb...   2011 Dodge Nitro OBD scanner seems to drain battery in 10-20 minutes When I bought this car in summer 2023, a... Grounding Cable, 2017 Jeep Renegade Trailhawk The Cable that connects my negative batt... Rough Idle (Found new thing) Hi everyone. First of all sorry for bad ...     equipment hey yall. im a first year engineering st...   HELP I have a 1956 1/2 ton panel truck, 69 35...

Search Auto Parts Search Fuel system noise Sign up here!   Email This Post Auto Repair Home>> Automotive Repair>> Car Troubleshooting redbones New User Apr 14, 2008, 12:36 PM Post #1 of 5 (2553 views) Fuel system noise Sign In Anybody know what would cause a pulsating noise/vibration thru the entire fuel line? http://www.youtube.com/watch?v=WcEuhpQ4isk The fuel lines(feed, return, evaporation) go through the door sill on the driver's side. You can hear this sound in the cabin. It sounds like the vid at 750rpms, and the sound rate increases as the rpms go up. But the sound goes away once the clutch is engaged. I used the stethoscope and I can hear this sound only on the fuel lines along from the engine, all the way to the fuel tank. When I touch the lines, I can also feel the pulsation. Please help. Thanks (This post was edited by redbones on Apr 14, 2008, 12:37 PM) Tom Greenleaf Ultimate Carjunky / Moderator Apr 14, 2008, 1:47 PM Post #2 of 5 (2549 views) Re: Fuel system noise Sign In What kind of vehicle is this? T redbones New User Apr 14, 2008, 2:47 PM Post #3 of 5 (2546 views) Re: Fuel system noise Sign In Sorry, this is for a 2006 impreza wrx. with 20K miles. Tom Greenleaf Ultimate Carjunky / Moderator Apr 14, 2008, 6:17 PM Post #4 of 5 (2542 views) Re: Fuel system noise Sign In Lines may not be mounted properly. Why isn't this a warranty concern? T redbones New User Apr 16, 2008, 8:55 PM Post #5 of 5 (2531 views) Re: Fuel system noise Sign In I think I found the culprit. There is this device that looks like a pressure regulator along the fuel lines, but called a pressure damper valve in the manual. This device regulates the pressure vibrations caused by the fuel pump and injectors. I also hear that this does not regulate actual fuel pressure, so that explains why the car runs perfectly fine. What do you guys think?   Email This Post   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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