Engine loud on cold start

Author: avda

August undefined, 2024

WebJun 29, 2012 · Discussion Starter · #1 · Feb 19, 2008. Anyone else hear a loud noise when starting their Pilot after sitting overnight in the cold? The best way to describe it is, it kind of sounds like a dog bark. Just one bark, maybe from a medium size dog. I hear it only when it's really cold, 15 degrees or less, and just as the car fires up. It's real ... WebThe main reason is the untimely and uneven ignition of the fuel-air mixture, which provokes spontaneous destructive explosions inside the cylinders. When the engine is cold, the …

Why Does My Car Make a Rattling Noise on Cold Start? - Car Car…

Weband equipped with a 3.5L EcoBoost engine may exhibit a ticking/tapping or rattle type noise from the top front cover area of the engine on initial start-up after a cold soak of 6 hours or more that may last for 2-5 seconds. This may be due to a worn variable camshaft timing (VCT) unit. To correct the condition, follow WebDec 19, 2024 · OzBris4500. I have a 1/2016 2.5L Prem with 12,000km and have noticed a engine rattle for a few seconds after a cold start. Noise sounds metallic similar to a timing chain rattle or something waiting for oil pressure and lasts for upto 5 seconds on some start-ups. Noise seems to be 3 staged starting with a lesser rattle for a second or two, then ... domino\u0027s selby

2011 Camry. Any idea what this noise might be? Only happens

WebDec 18, 2007 · 2,019 Posts. #11 · Nov 26, 2007. tarpster said: High idle at cold start is completely normal and yes synthetic oil will help in colder weather as it doesn't lose viscosity as quickly as dino oil (at colder temps). Put a quart of 5/30 dino and a quart of 5/30 synthetic in the freezer over night. WebJanuary 2002 edited March 2014. when starting up on a cold morning, when first cranking the engine, there's a short (1-3 second) high-pitched squeel that comes out. What's the … WebFeb 16, 2024 · Joined Dec 9, 2007. 452 Posts. #3 · Dec 8, 2010. ML350_ZED said: There is a strange sound coming under the hood on cold start - below the freezing point. As it … domino\\u0027s seffner

Cold start, LOUD engine noise. Any ideas? - Car Talk …

5 Reasons Why A Car Engine Knocks On Startup …

WebJan 12, 2024 · Your car makes a rattling noise on a cold start because the moment you crank your engine, there is no oil at the top of the engine. The variable valve actuator … WebAug 18, 2009 · Joined Aug 4, 2009. 1,898 Posts. #8 · Aug 17, 2009. boon4376 said: I was reading about all the WRX engine failures due to bad bearings... And apparently a few forester XT's have had this problem as well... Well my car is pretty freaking loud for about 20 seconds when its first started during the day... But then all of a sudden gets back to … qt sample projectsWebApr 14, 2004 · for about 4 weeks now, when starting the car cold, Along with the engine/exhaust noise, the car is making this HIDEOUS loud High pitched whiney squeaky buzzing noise which changes pitch and becomes louder as the revs rise. Once the car warms up and's driven for a while (after about 15-20 mins of driving), the noise is gone. qt save image

"WebDec 29, 2024 · sonata2006 December 29, 2024, 6:12pm #4. It has always started at 1500-1200 rpm then goes to 1000 sometimes 800 after 5-10 minutes of idling. After it is put in … " - Engine loud on cold start

Engine loud on cold start

Is your engine LOUD at cold startup? Subaru Forester Owners …

WebJul 2, 2024 · The sound may be more noticeable during a cold start, but lessens once the engine is warm. A slightly higher pitched clicking sound is the fuel injectors pulsing under the high fuel pressures. These sounds … WebFeb 26, 2007 · Here’s what that TSB reveals: Some 1995-97 Jaguars with AJ6 or AJ16 engines may exhibit engine noise immediately after a cold or hot start. This noise has been identified as "bleed down" of the upper (secondary) timing chain tensioner, resulting in temporary chain slack. A non-return valve in the tensioner is designed to trap pressurized ...

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WebOnly happens during a cold start. 2011 Toyota Camry, ~162,000 mi. I have an engine that runs fine, but makes a loud noise during a cold start. Revs up to about 2000 rpm and then settles. Originally I thought it might just be old car noises but it's been getting slightly worse and I wanna know what to expect before I hand it over to a mechanic. WebDec 22, 2024 · At cold start-up, the engine rattles loudly for about two seconds. The possible cause could be the variable valve timing control (VTC) actuator is defective. …

WebAug 25, 2024 · At cold start the exhaust is apparently quite open and the the engine exhaust is very loud and I cringe thinking of the neighbors. 'course most of the time I start the engine later in the AM as I seldom leave for work before 9:30am so I don't cringe all that much. At cold start the engine is being richly fueled to provide some excess fuel which ... WebDec 22, 2024 · At cold start-up, the engine rattles loudly for about two seconds. The possible cause could be the variable valve timing control (VTC) actuator is defective. Replace the VTC actuator. This procedure does not require the complete removal of the cam chain and associated parts, so repair time is shorter.

WebJan 22, 2024 · The first reason why cold starts are bad is because it can damage your engine. In cold weather, the fuel adds more fuel to the air/fuel mixture, because the … WebMay 17, 2013 · Discussion Starter · #1 · May 10, 2013. I recently noticed a LOUD cold start knock that my truck appears to have developed. It only happens after the truck's sat overnight or without being run for a while. It's loud enough to have given me pause ... but it's gone in 20-30 seconds as oil gets to moving around and the vehicle commences its …

WebAug 18, 2009 · Joined Aug 4, 2009. 1,898 Posts. #8 · Aug 17, 2009. boon4376 said: I was reading about all the WRX engine failures due to bad bearings... And apparently a few …

WebMar 20, 2024 · Capucine. Registered. Joined Jun 25, 2024. 1,406 Posts. #5 · Oct 11, 2024. I had a Impala 2003 with the 3.4 liter engine. When I was starting it cold there was always a rattle noise for a few seconds coming from the engine. Turned out that it was piston slap causing the noise. After let’s say 4 seconds the noise was gone. qt setobjectnameWeb2010 Mitsubishi Lancer CVT. I need to step on the gas pedal so that it doesn't die on cold start. Car runs fine and doesn't happen again after the engine warms up; just happens when the engine is cold. No check engine. Could this be the fuel pump? qt serialize objectsWebSep 12, 2024 · Subarus have tight tolerances and small oil galleries hence the oil specified. Allow them to warm up for at least 10 minutes normal driving before exceeding 4000 rpm and sit in driveway at cold start for at least 45 seconds to allow oil to flow & warm a little. qt serialize objectWebApr 18, 2024 · This video features OLD RACE CARS With EXTREME BIG ENGINES Cold Start and Loud Sound. If you wanna see some big engine old race cars start up and … qt setobjectname 不生效WebJul 15, 2024 · The reason I asked if it was only at cold start or during every start, is because engine components expand with heat. On cold starts, the tolerances between … qt setup skip loginWebJan 22, 2024 · The first reason why cold starts are bad is because it can damage your engine. In cold weather, the fuel adds more fuel to the air/fuel mixture, because the temperature is lower. This results in a richer air-fuel mixture, which requires more fuel. This makes the engine work harder, reducing its lifespan. qt sample projectWebMar 29, 2024 · 134 Posts. Discussion Starter · #1 · Apr 27, 2024. We just purchased a 2024 Sahara with the 2.0 turbo engine. Just hit 400 miles on it this past weekend. The engine runs great and is really smooth, except for when you first start it. When you first start it, it almost sounds like its misfiring occasionally. It just seems to idle a little rough. qt set object name