Question about 1995 Mazda Protege

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Light knocking lower engine

Ti hear knocking on the engine only when its in motion some people tell me protege5 sound like that bought car used need some ones opinion

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This is not normal. this can be a major issue concerning the crankshaft assembly or, the rods. i would get it looked at. any knocking that you may hear in any vehicle is not normal.

Posted on Mar 10, 2009

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Lower motor noise. sounds like the main bearing might be going on the motor . how many miles are on the car?

Posted on Mar 10, 2009

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1 Answer

When in motion there's a weird sound from engine


not enough information as we cannot hear sounds from print
what make and model engine size , when does the sound appear , is it when stationary but happens when the engine is revd up , at what road speed does it come in, is it a grinding , rumbling, scraping , knock, rattle as weird means nothing

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Sparkling sound in the engine when accelerating on motion


That sounds like pre-ignition or "knocking".

Is your check engine light blinking?

Try a tank of higher octane fuel like unleaded premium, and if the sound goes away, I'd then have the trouble codes scanned looking for a faulty knock sensor.

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Knocking/tapping sound behind left side of engine


if the knocking is occurring while vehicle is in motion it can be a driveshaft cv joint bad..if it occurs while not moving but in gear, it could be the exhaust rattleing under the car..may also be the front end suspension bushings worn..

Feb 12, 2013 | 2001 Mazda MPV

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Knocking noise in engine of 2002 Nissan maxima


This is hard to say with hearing the noise but try to pin point the noise , is it coming from the top or bottom of the motor , the knocking noise could be a bearing in the lower motor or may be something else making it sound like a bearing,

Oct 05, 2012 | 2002 Nissan Maxima

1 Answer

Were is the knock sensor on 2002 protege5 2.0L


The knock sensor is located under the intake manifold to replace do the following
Disconnect the negative battery cable.
Remove the intake manifold.
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Installation is the reverse of the removal procedure

Sep 28, 2012 | 2002 Mazda Protege

1 Answer

99 Suburban 4x4 knocking sound when shifting to highet gear when hot


If it sounds like a rapid tapping (like someone is using a small hammer to hit the engine block really fast) then you probably have spark knock. It happens to older engines. As the engine gets older, carbon builds up inside the combustion chamber and effectively increases the compression ratio. Since you are using low octane fuel, it doesn't resist spark knock as well as high octane (this is a reason performance cars use high octane) and thus you get spark knock. An easy way to tell for sure it to run a tank or two of 91 or better octane through. Since you'll be mixing it with 87 octane, it could take two fill-ups to see a result. If the knock goes away, then you know it is spark knock. If not, or the knock I described is not what you hear, then I would need a better description (perhaps a video) of the sound you hear. If it is spark knock, you can run a cleaner through (Sea Foam works great) the engine and that usually fixes spark knock. Sea Foam works best when given to the engine through a vacuum line. Don't add too much at once, it will hydro lock the engine. Just let it **** in a bit and when the idle comes back up, put a bit more in. I would pour half the can in the tank and feed the other half to the engine through the vacuum line. Be prepared, when you feed it to the engine through the vacuum line, it is going to smoke a lot until it burns off the Sea Foam. That is normal and will go away after a short drive.

Apr 08, 2012 | Cars & Trucks

1 Answer

It makes a chirping noise all the time


Chipping can be caused from a bad bearing that needs to be replaced or lubricated. It could be inside the alternator. power steering pump, idler pulley, Whater pump, AC compressor, and so on.
Use a long handle such as a broom stick and place the stick to each item that is belt driven. Place it at a secure place such as the housing so the stick does not get near the belt. As the engine is running place your ear at the other end of the stick. This works as a Stethoscope same as a doctor uses. The chirpping will be hear the loudest at one of the belt drive accessories during your testing

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1 Answer

Motor light knocking


IT MAY BE A CV JOINT DOES IT MAKE MORE NOISE IF YOU TURN LEFT OR RIGHT

Mar 10, 2009 | 1995 Mazda Protege

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