Question about 2003 Ford Taurus

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A sqeek directly behind engine sounds light like bird chirping especially when cold then seems to go away, could this be a exhaust fast warm up valve con't see anything looks loose. Screw driver on block to ear says it's not in the engine.

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There is camshaft sensor make noise and it's under air inlet hose u probebly haqve to change sensor and shaft

Posted on Nov 12, 2009

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05 Nissan Altima 4.2l replaced valve cover, gasket, and spark plugs looks fine with no leaks and engine runs fine,now I have lots of white smoke at start up which goes away once engine is warm.


White smoke indicates water going through your engine or condensation in your exhaust. If it is a lot of smoke you probably have a small leak in your head gasket that seals back up as the engine warms and the materials expand. It will get worse as time goes on. If it's just a little smoke that doesn't last long it's probably condensation in your exhaust, especially if it's cold outside. Condensation is caused by the air cooling down in your exhaust after you shut down the engine.

Feb 15, 2017 | 2005 Nissan Altima

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What will be the problem if i have a taping noise when i start my car until it gets warm mitsubishi 380


A tapping noise that starts out cold and goes away when warm is usually caused by a valve lifter inside the engine. The lifter may be worn/leaking down and will be noisy until it fills with oil pressure. You can try an oil additive ( Lucas Oil Additive ) available at most part stores works very well with noisy lifters. Another noise that can happen cold and go away when warm is an exhaust manifold leak. However, this is normally a ticking type sound rather than a tapping sound.

Jan 19, 2016 | Mitsubishi Cars & Trucks

1 Answer

Makes a chirping sound when the car is initially started


Have you checked the engine bay for a bird's nest ? LOL
Seriously now, I think it is one or more of your drive belts, just when starting to turn all your engine bits. Have those tightened or replaced as needed and you should be OK.

May 21, 2013 | 1997 Toyota Camry

1 Answer

My 1997 Malibu is holding up very well. Recently, I have noticed a slight chirping noise whenever I idle (especially after starting the car) and when I accelerate to about 45 or 50. It is NOT a whine...


Remove the serpentine belt notating the direction of travel. Start the vehicle long enough to confirm the chirp is either still present or it has stopped.

If the chirp stops manually spin all the pulley by hand to see if you can duplicate the sound. If nbothing else is making noise and the belt is in good shape put the belt back so that it travels in the opposite direction. If the noise persists replace the belt. If the noise goes away see how long it lasts. I have had many that have not returned after rotating the belt.

One other thing you can try is putting a small dab of di-electric grease on the belt, with the engine off of course. Spread the dab around a little with a finger, again with the engine off. Start the vehicle, give it a couple of seconds to let the grease work around the belt. If the noise goes away replace the belt.

Nov 14, 2010 | Chevrolet Malibu Cars & Trucks

1 Answer

I have a 98 mazda 626 only when its cold i have like a blue gray or even white smoke coming from the exhaust don't know what it could be?


Your exhaust valves have deposits on them that don't allow for a good seal when the engine is cold, or your piston rings are worn, allowing oil to get past when the engine is cold. In either case the seals improve as the engine warms, making the smoke go away. You can try to see if an oil additive will improve your situation.

Oct 09, 2010 | 1999 Mazda 626

1 Answer

Sounds like maybe a belt is loose, but they are all tight. Sound goes away after the yukon warms up


Try putting a new belt on, maybe better brand of belt, they do make belt stop sqeek but its not worth buying. Belts can make noise when cold, check to see if maybe your belt skipped a notch.

Feb 16, 2010 | 2002 GMC Yukon Denali

1 Answer

1999 Denali rough idel and driving


You should have 2 02 sensors in your exhaust system. The second one trips the ligt if your emmissions are too high abd it monitors the condition and efficiency of the cat converter. The 02 sensor in front of the muffler monitors the fuel adjustment for too rich or too lean. Now, on a cold start there ias a "cold start valve tha enriches your fuel like a choke. It can be the culprit because the #2 02 sensor is doing its job. The cold start valve can be chk'd to see if it is working by observing it.. It is behind the Throttle body. It should be clicking. Good luck and I hope this helped. Oh, wwhen the engine warms up, and you have clear the exhaust of excess fuel the light should go out.

Nov 07, 2009 | 2000 GMC Yukon Denali

1 Answer

Experiencing a "ticking" "knocking" type noise when 1st starting the car in colder weather that goes away once the blazer warms up , any help ?? I was told it could be the exhaust manifold , or piston...


it may need a lifter or valve adjustment when cold they will tick or knock depending on how loose or worn out then when it warms up they swell with heast and noise stops. after adjusting or replacing it will stop making noise

Oct 26, 2009 | 2002 Chevrolet Blazer

1 Answer

Engine misses, new plugs in it today, still misses


sounds like you could have a leaky valve..

i unpluge 1 plug wire at a time and see if 1 doesnt seem to change the sound of the engin to much. then you will know what plug is doing it and check those valves "exhaust/intake"..

or even check to see if that plug may have oil on it for that could be valve seals or oil ring on piston that would cause a miss..

Jul 08, 2009 | 1993 Chevrolet C1500

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