Tag Info

Hot answers tagged

18

It signifies that the car is running absolutely correct. Here is the reason why: A gasoline (petrol) molecule is made up as such: C8H18 (or 8 Carbon atoms and 18 Hydrogen atoms) Energy is obtained from the combustion of it by the conversion of a hydrocarbon to carbon dioxide and water. The combustion of octane follows this reaction: 2 C8H18 + 25 O2 → ...


9

Looks like part of the muffler to me. You should have it replaced it could end up obstructing the exhaust.


5

Does it make the most sense to replace an old car's entire exhaust system all at once? Considering your car is almost 10 years old, having to replace all of the parts in the exhaust system does not sound unreasonable, especially if your locality uses any type of road solvent during the winter months (they didn't in Montana where I'm from originally, ...


4

It has very little to do with the exhaust system and much to do with the mechanics of the engine. All modern muscle cars have aluminium blocks (vs cast iron), round exhaust ports (vs rectangle), and completely different timing set ups than 60s cars have. The firing order makes a big difference because nobody fires 2 in a row on the same side of the engine ...


4

With the check engine light on, the car is going to be running a fixed set of parameters from the Engine Control Module. For instance Fuel Pressure will be held at max pressure and timing and spark adjustments (if done electronically) will not retard or advance. One of the reasons this happens is because the Engine Control Module is not recieving all of ...


4

Every gallon of fuel your vehicle burns produces a gallon of water out of the exhaust. If the weather is cold you will see it as steam. If the rear of the exhaust system is still cold even in warm weather it will be for a short time after start-up, you will see the drips. On a hot engine/exhaust you will not see any drips from the tail-pipe. If there are ...


3

I found pretty good video about changing the muffler here. As Larry said, it is not the catalysator but the part before the catalysator. It looks like something that even an amateur is able to do. In Finland, the cost is about 60EUR for the part so not expensive part. (source of the image) Terminology muffler = äänenvaimentimet, takapönttö ...


3

You can use a wrap and clamp to seal the hole. Your local parts store should have such a kit. Or the better solution would be to weld it shut, or cut out the section of pipe where the hole is, and weld in a new section of pipe to replace it.


3

I think you're looking for something approximately like this, only in the size you actually need: exhaust band clamp


3

The first thing to do is too take the EGR out of circuit. A quick and easy way to do this is to cut an old metal oil can(its thin enough for scissors) so you have a piece of the can that will fit between the bolts of the EGR. Tighten the EGR bolts up with the can acting as a gasket. Now try watching the MAF sensor voltage as you rev the engine sharply and ...


3

Does the white smoke smell sweet like antifreeze? The loss of power plus the white smoke points directly at a bad head gasket. They don't last forever and it sounds like yours just got used up (coincidentally right around the time that you changed the oil). Head gaskets on those VTECs can be replaced in your garage. However, I wouldn't recommend the job ...


3

Do not put your bare hand over the tailpipe, it will get burnt. If you cannot hear an exhaust leak, puff puffing, you can pressurise the exhaust system with a rag over the tailpipe to make an exhaust leak more pronounced and tracible. The downside to this is that you can destroy the catalytic converter, so it is really not a good idea to do it. The way ...


2

It is possible that oil was spilled and starts to burn away once the car is hot. The other option is an oil leak is occurring on a component of the exhaust. Keep driving for now, but make sure you are checking the oil level frequently in the case that it is an oil leak.


2

Is it a protected black art?! Protected? No. Black art? Not really. Art? Almost definitely. There are actually quite a few references on the design and optimization of exhaust systems for race engines. Here is quite a nice overview. Be aware, however, that optimization may be out of the reach of most DIYers. For example, let's consider this ...


2

The 2012 XJ6 is fuel injected, so an aftermarket exhaust (Arrows, Leo Vince, Scorpion, Two Brothers, Akrapovic etc) would be easily procured. You may even get good deals on used slip-on exhausts, and you could then re-pack the glass wool (other as applicable) if required. In order to keep the cost down, you could opt for a slip-on exhaust (muffler) instead ...


2

The tailpipe and silencer assembly is what you have pictured. The tailpipe and silencer is at the end of your exhaust system. Because of its position in the system it gets hotter and colder more often, and corrodes more quickly then any other part of the exhaust. Exhausts tend to rust from the inside to the outside first. This is what has happened, and it ...


2

The only cars with turbocharges which do not have air filters are race cars. They do it this way so there is absolutely no restrictions on the intake tract. Race engines are routinely rebuilt as needed, so are not worried about small particulates entering the engine. Normal street driven vehicles will all have air filters on them, and as long as those air ...


1

The car has not been driving long. As the others have said, the water comes from the combustion of the fuel. When the exhaust system is cold, it cools the exhaust enough that the water can condense. After a while of operation, the exhaust system heats up. The same water vapor is present in the exhaust, but it stays vapor and doesn't drip.


1

Looking at the description of the California O2 sensor for your car, the only thing different on it (besides the internals) is the electrical plug. The wrench which you tighten it down with is 7/8", which means the sensor bung should be the same size as well. I don't think there is any real external difference between the California and non-California ...


1

We are not going to be able to tell you what you like and don't like in an exhaust note. I may like something, which may sound too raspy or too loud or too (insert here) to you. What you need to do is go to YouTube and do a search for "Mazda RX8 Exhaust Sound" ... in fact if you click the link I provided, it will take you there. Take a listen to the ...


1

The solution was to simply drill out the old bolts.


1

The 50 g/s max flow reading that you are getting is far lower than what merely altitude can explain. The chart above shows that at about 5,200 ft above sea level, the density of air is 83% of what it is at sea level (0.062 lb/cu.ft vs. .075 lb/cu.ft). So to account for the altitude, you should multiply your expected mass flow by 0.83. According to the ...


1

The fault code P0171 descriptor is Bank 1 running weak. The fault code P0174 descriptor is Bank 2 running weak. This means that your engine has too much air or not enough fuel for proper ignition. This can be a faulty MAF sensor as it is common to both banks. It can also mean that you have an air leak between the MAF sensor and the throttle body, a faulty ...


1

Thanks for your advise, Allan. Got the car up on the lift, and was greeted with a nice large hole in the exhaust - large enough to fit two fingers into, and one of many. The botched weld job didn't help, either. The exhaust was replaced with a stainless steel version (as opposed to mild steel), and a full engine flush was preformed - cleaning the ...


1

In the end the mechanic discovered it was caused by bad oil, it was not head gasket problem, just clogged drain on the front end of the engine and nearly clogged in the back. So, when the vehicle was tilted forward, the oil failed to drain, and was forced through and burned off.


1

Give your local motorcycle dealership a call. FMF does make replacement cores and these are very likely available from your local FMF dealer. This mfg part number will help you find what you're looking for: 040261 Confirm on their web page: http://www.fmfracing.com/Products/Accessories/334


1

You don't have to upjet your carbs, but you could if you wanted to. Because straight pipes can handle a larger volume of exhaust, you can tweak your carbs to allow more air/fuel into your engine to produce more exhaust. It's part of the fun, but entirely optional. It's a different story with electronic fuel injection though. EFI engines constantly monitor ...


1

I have a 2005 Hyundai Elantra, and I was getting OBDII error codes: P2626 Hyundai - HO2S Pumping Current Trim Circuit/Open Bank 1 Sensor 1 .. and later, I also got P2196 Hyundai - HO2S Signal Stuck Rich Bank 1 Sensor 1 My car was sputtering, somewhat intermittently. It would intermittently lose power rather suddenly while accelerating. The egine was also ...



Only top voted, non community-wiki answers of a minimum length are eligible