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Turbo

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Symptoms of a Bad or Failing Wastegate Hose
If you have a turbocharged vehicle, common signs include the Check Engine Light coming on, turbo not producing a boost, and decreasing fuel economy.
How to Get the Most Horsepower Out of Your Car
The more horsepower your vehicle has, the faster it can accelerate and pick up speed. Therefore, it is natural to reach a time in a car owner’s life when...
How Long Does an Oil Return Hose Last?
For a driver that is looking for more performance and speed, choosing a car with a turbo system is just what they need. The turbo systems that come with most cars...
How Long Does a Wastegate Hose Last?
Buying a car with a turbo booster is a great way to get the increased horsepower that you are looking for. Just like any other part of the car, the turbo unit...
Why Do Cars Have Different Oil Change Intervals?
Car oil change intervals depend on the make, model, and year of the car. The correct type of oil and how the vehicle is used makes a difference too.
Industry News for Automotive Techs: October 15-21
This week: home-brewed autonomous car, sneak peek at future Jeeps, scheming car hackers, Ram's off-road TRX concept, new turbo test kit from Lisle.

Related questions

Question
Turbo
Without hearing the sound, I can't really give you any sound advice. I can however give you a diagnostic path to follow. If you can recreate the sound while sitting still, then the first order of business is to locate...
Question
Opinion on cylinder deactivation system on GM trucks
GM has been trying to use cylinder deactivation in Cadillacs for years now. In my opinion they are not very good. GM's are notorious for having horrible electrical problems and now they are making engines with electronic mechanical cylinder deactivation....
Question
Can I turbocharge my car?
In order to turbo charge the car you would first have to find a kit that is made for your car. Only a kit made for your car would work since there would be many changes that may cost a...
Question
Noise like a siren and turbo completely gone
The most likely cause of these symptoms of this are a failing turbo, large vacuum leak, or a damaged intake. This level of symptom damage to the engine can result from continued driving. If the turbo has failed, it can...
Question
Transmission problems, noises, car sluggish
The oil flush may have caused the varnish build up to be loosened up and after driving a few months the clutches have washed out and are slipping. You may have to have the transmission rebuilt or replaced. I recommend...
Question
Turbo issues with boost
Hi thanks for writing in. The Land Cruiser turbo diesel from that era uses a mechanical waste gate to bypass the exhaust around the turbine when the boost pressure reaches maximum. It should be a quiet and smooth action. It's...
Question
Car runs rough and had sudden power loss
Hi there, thank you for asking about your 1983 Nissan 280ZX. It is actually possible that it is a fuse issue. However, the fuse holder is on the circuit board for the digital dash and is a bit sensitive. If...
Question
Type of engine oil
Thanks for writing in about your 2015 Hyundai Veloster. Yes, this should always be used when stated by the manufacturer. Turbocharged engines create a lot of power which generates heat and stress. Synthetic oil has the properties in it to...
Question
Poor gas mileage
Turbochargers are for producing more power from a smaller size engine. Fuel economy is not maintained when a turbocharger is used. Turbos only operate under a power request of the throttle position. They introduce more air into the engine, and...
Question
Jdm bg5 ej20 twin turbo boost issues
Oil in the intercooler is generally a sign that a turbo seal has let go. Most likely one or both turbos are due for replacement or rebuild. Have a professional come look into the Check Engine Light code and smoke...
Question
SUV lurches forward with acceleration
Hello. The first thing that I would do is to find out if the dealer has any technical service bulletins relating to your current problem. If there is a technical service bulletin related to your problem, you may be able...
Question
Turbo wastegate stuck closed. Need solution.
Hello. P2261 is the code for an issue with the vehicle's turbocharger bypass valve, also known as the wastegate. If the computer detects an issue with the wastegate circuit or signal it will activate the Check Engine Light in order...
Question
I got a code P0191 for the fuel rail pressure and a code P0237 for turbocharger boost.
Hi there. When the battery was arched, the power surge had went through the vehicle and caused some circuits to fail. If right after the power surge happened and now you have a code for the fuel pressure and the...
Question
Turbo blow off valve
Hello. The "blow-off-valve" or BOV, is a pressure-release valve designed to prevent over-pressurization of the engine, not the turbocharger itself. While hearing some of the sounds a turbo-charged engine makes while running through the gears is a most pleasant experience,...
Question
Do I need to replace the turbo?
Hello. There are several reasons why your car might be low on power. Some of these are related to the turbocharging system: lose high pressure hoses, blow-off valve control hoses, and circuitry (regulates the amount of boost to the engine...
Question
Time needed to replace turbocharger
Hi there, thanks for writing in. The turbocharger itself takes approximately 2.5 hours to remove and replace. Of course this will also depend on the expertise of the technician and may slightly vary from vehicle to vehicle. If you need...
Question
Cylinder #6 misfire on 4.0 liter SOHC
Hello. Good job on getting the basic tune-up work done! Given the mileage, this engine may have a longer-term issue, namely, accumulated wear on piston rings or a blown head gasket. Both of these can be diagnosed with a compression...
Question
How to increase power without adding turbo?
Hi there. There are many ways to increase power to your vehicle without adding a turbo or supercharger. You could change the exhaust manifold to a exhaust header and gain more power. You could change the intake to have air...
Question
Loss of power in 1st gear
Hi there. Adjusting turbo boost for this engine is a compromise at best. Setting boost to be optimal for 3rd, 4th and 5th gear (without over-boosting) means 1st and 2nd gear don't get that much boost. Stepping up boost for...
Question
Effect of turbo
A turbo-charger doesn't actually add any volume to the engine. The best way to explain how a turbo works is, you must first understand that an engine, in its basic form, is just an air pump. The work that an...

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