Some 2008 F-Super Duty vehicles equipped with a 6.4L engine and built before 6/18/2007 may exhibit a gurgling type noise coming from the heater core. It has also been described as a rattle or scraping noise. It has also been incorrectly identified as a torque converter concern. Follow the Service Procedure steps to correct the condition. The best I can describe - uphill or on acceleration, a bit harder than normal, start to hear the hum/drone/whine, car upshifts, noise goes away as you move into another gear and the engine RPM drops. Step on it again, hear the same noise when it downshifts. Basically, it happens when you put some load on the engine/transmission and when it. 23 years of experience. Hi there. The sound that you provided for the tapping noise sounds as if your engine is dieseling when operating. This is a noise that occurs when the engine is either running too hot or has too much carbon on the pistons causing the fuel to burn when the piston is not at top dead center. The best I can describe - uphill or on acceleration, a bit harder than normal, start to hear the hum/drone/whine, car upshifts, noise goes away as you move into another gear and the engine RPM drops. Step on it again, hear the same noise when it downshifts. Basically, it happens when you put some load on the engine/transmission and when it.
2012. 8. 22. · Like upper engine noises, lower engine noises increase in frequency as rpm increases, but they can also be affected by engine load and temperature as well. A knock might be heard in gear under.
Later, I picked up a 5th wheel (Call it 11,000 lbs loaded). When driving in the mountains, The howling noise starts when she is going up hill under load. I lose speed (power)and the noise gets worse. The power doesn't sputter, just drops off and I usually will maintain 45-50mph. Sometimes, the noise happens when I have the tow/haul engaged. Discussion Starter · #1 · Jun 25, 2021. I have a terrible sounding rattle (gravelly?) sound from my motor from 2000/2500 to 3000 rpm especially under load like accelerating up a hill. The dealer has tried to chase it a few times with no luck and Mazda is saying everything is "within normal operating condition". This only happens when the car warms up, when the car is cold, it runs smooth as can be, but once it warms up, knocking under load between 2-3K rpm. The car is stock other than an STI catback. I have one code, which is a rear O2 sensor. I got the sensor just need to replace it but i dont c it causing the sound.
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2017. 4. 15. · on April 15, 2017. I hear a strange noise when lightly pressing gas in park or in gear. Sounds like it's coming from the lower part of engine somewhere. My a/c has recently gone out also and blows hot. I was thinking maybe it's the compressor making noise. It goes away once moving at a higher speed/rpm. I am also throwing codes p0171 bank 1 too. When the engine is under load, I hear a ping seems to lose power. I have also noticed that my gas mileage is around 12.5. Researching a bit, I learned that this may be pre-ignition ping (thoughts anyone) OR I recently learned that when an LR3 is delivered to a dealership, the ECU is in Transportation mode, in which it needs to be programmed.
Nov 18, 2020 · Many people forget that an engine mechanical problem can also prevent a vehicle from starting. If the engine is seized, the starter motor solenoid or relay will close, creating an audible click. But because the engine is locked up, the starter won’t be able to turn it over to start the vehicle. A Faulty Starter Solenoid.
Do this in about three places along the contact side of the belt so that they are approximately equally spaced. Turn on the engine and let the car idle for a minut or two to allow the grease to be equally spread across the belt. This will NOT cause the belt to slip but will really quiet the noise. Last edited: Mar 17, 2020. A basic oil change is the main prevention method. If your engine has low oil pressure, engine rattling at idle might be present when the engine gets hot. It’s because the oil is thinner and doesn’t coat parts as well. Low oil pressure. So I have a motor that once it is warmed up there is an engine knock only under load and it goes away at higher RPM's No noise when ... up there is an engine knock only under load and it goes away at higher RPM's No noise when cold or at revving the motor at idle. Sounds like a rod. Ideas? #1. Big Bamboo, Apr 13, 2013 #2. Nov 18, 2020 · Many people forget that an engine mechanical problem can also prevent a vehicle from starting. If the engine is seized, the starter motor solenoid or relay will close, creating an audible click. But because the engine is locked up, the starter won’t be able to turn it over to start the vehicle. A Faulty Starter Solenoid.
. May 2, 2001. #2. Mark, If the clacking noise is power-related (that is, it increases with throttle), it is probably piston slap. KLX300s are known to emit a mild piston slap sound when powering on at lower revs. It is perfectly normal. If the sound is not related to power, it could be caused by a loose timing chain. My '06 is making a noise right around 2000 RPMs, too. It's more of a buzzing or metallic rattle, and seems to be coming from the front catalytic converter/heat shield area. Of course, when it's hoisted up and the mechanics are banging on the exhaust, it's either A: already warmed up, it only makes the noise when its cold, or B: obviously not under any load, and.
. I have a high-pitched squealing noise coming from the engine under load and at very hi revs offload. It seems to be completely throttle-position related and load related as I can get the noise in any gear, at any revs at any speed. I can even get the throttle set just right and make the noise come and go with the slightest movement of the pedal.
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A bad torque converter could be the origin of rattling sound when accelerating at low speed. It will be a faint sound when the car is idling in 'park' mode, but the volume and frequency will increase in proportion to acceleration. It could indicate the last stage of the converter's life. If this happens, you should take the vehicle to a.
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2021. 3. 14. · For example, if the engine noises are coming from a muffler problem, expect to pay between $400 and $500. Sometimes, you might even need to add about $150 to $200, depending on your vehicle's make, model, and year..
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Old engines tend to have worn-out engine bearings between the crankshaft and piston rods. When the engine bearings wear out, they make a rattling sound every time the piston moves up or down. This is called crankshaft knock. Therefore, using thick oil will help to block these gaps and stop the sounds. Knocking Noise In Engine - Simple Fix YouTube.
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Sep 15, 2017. #13. There are two likely candidates for an engine speed clic under load. One would be an exhaust leak on one of the EGR pipes or exhaust manifold. The other is the lifter. If you don't address the exhaust leak, it will get worse until you find it. But not so innocent for the cam issue.
Under load when you get to just below 3k revs there is a loud ticking noise from the front of the engine on acceleration. This is only under load and disappears at about 5k revs unless you throttle back slightly and have constant revs. If you accelerate hard the noise is apparent straight away below 3k revs. Downhill isn't as loud as the engine. There is a loud exhaust noise which may be coming from either the front or rear of the vehicle. Determine whether the noise is coming from the front or rear of the exhaust system. Do this by parking the vehicle securely on level ground, with parking brake applied. Lay down on the ground next to the vehicle. Do NOT stick your head underneath a.
2811.1 No person shall operate a motorcycle, motor vehicle, or combination of motor vehicles of a type subject to registration under D.C. Code § 40-103 (1990 Repl. Vol.) at any time, or under any condition of grade, load, acceleration, or deceleration in a manner that exceeds the maximum noise limits designated in the table of this subsection .... I can't hear any "blowing" noise at idle BUT after shutting the engine off, I can hear for the next 4-5 seconds a similar "blower" sound, shutting off too, resembling again the shutoff of the vacuum cleaner or airplane engines... Job recently done: Engine oil, manual tranny fluid, differential fluid, PS fluid change. Just bought the car.
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Search: Popping Noise Under Car When Accelerating . 2 4x4 Durango has been making a strange noise lately while accelerating under load The normal cause of engine noise in the stereo system is the ground This engine has a chain driven exhaust camshaft and intake camshaft with 86000 miles Regardless of what the undermining cause is, get your vehicle to a repair shop as soon. The first step is to identify where the engine noise is being generated. With the engine running isolate where the noise is coming from in either the the upper half, lower half, front half or rear half. Listen from above and below the engine as this will help determine where to start looking for the cause of the noise. Let's Get Started. 1.
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In the case of an alternator that is making noise when accelerating under normal conditions without much load on it there can be multiple causes for this type of noise. In order to find out why an alternator may make noise under these conditions the following steps should be done: 1. Check for power going to the relay which connects to the.
When the engine is under load, I hear a ping seems to lose power. I have also noticed that my gas mileage is around 12.5. Researching a bit, I learned that this may be pre-ignition ping (thoughts anyone) OR I recently learned that when an LR3 is delivered to a dealership, the ECU is in Transportation mode, in which it needs to be programmed.
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Hi. Had my 2008 (58) new shape Focus 1.6 TDCI for just over 2 months now (Ford Direct) and after a couple niggles which have been sorted, just querying the engine noise when accellorating normally or at any time when engine under load..... I know diesels are more noisey but this seems a little more than normal. The engine appears to be noisier than other diesels.
What To Do About Diesel Engine Noise Under Load. Download this graphic here. If you find that the noise only happens when your engine is under load, then you'll want to check the integrity of the gaskets. If the integrity is okay, then you should check the oil, so you can get a handle on its condition. If the oil is too thin, it doesn't have.
. Loud air duct blowing noise under mild acceleration. It doesn't do it under all conditions in fact full throttle I usually don't hear it. But under load at lower speeds and throttle positions, kind of sounds like when a big panel truck goes by under load and you hear that huge air rushing noise above the sound of the engine.
2022. 3. 26. · Knock Sensors (KS) Bolted To Engine Block. This reduces power a bit, but protects your engine against detonation. However, if the knock sensor is not working, spark timing will not retard when it should. Consequently, you may hear a pinging or rattling sound (spark knock); when accelerating, driving up a hill or when, the engine is lugging under a heavy load.