Questions tagged [turbocharger]

A forced induction device that increases an engine's power output and efficiency. It's consists of a turbine, driven by the engine's exhaust, coupled to an impeller which compresses and forces air into the engine. More air (= more oxygen molecules) + more fuel = More power

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2answers
84 views

Why not always run boost? [closed]

whats wrong with an engine that was always running boost? I'm sure they can build them tough enough and add better cooling systems. Maybe it's a dumb question, I'm just curious.
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Toyota 2.0 D4-D (1CD-FTV) engine versions

After having some issues with my Toyota after some work being done on the engine I'm now facing an issue I can't find explanation to. Full story here: Toyota Avensis Verso D4-D 2002 after turbo & ...
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Toyota Avensis Verso D4-D 2002 after turbo & timing belt replacement drives differently

My Toyota broke down the other day, so there was some major work done on the engine. Not exactly unexpected (the mileage is somewhat high), but the failure was quite spectacular. Turbocharger ate ...
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2008 MINI R56: White smoke coming from turbo after oil leak fix

I have a 2008 MINI Cooper S with the JCW package. My turbo oil feed line developed the all-too-common oil leak at the feed line. I installed the replacement part from Detroit Tuned and reassembled ...
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Turbo concepts and implementation on an Alfa GTV 2.0 V6 TB

I would like to install a manometer (boost gauge) on a '97 Alfa Romeo GTV with a 2.0L V6 Turbo engine. Before messing with the engine, I picked up the its repair manual in order to better understand ...
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Did I overfill my diesel engine with oil? [closed]

I put 5L of the correct oil in my diesel car when I noticed it was low. I then had a lot of white smoke coming out of my car: have I damaged my turbo?
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Maintenance Repair Costs (Labor Hours)

Does anyone know if there's a standard maintenance and repair guide VW uses to establish how long it takes to replace a part in a vehicle? How do they determine how many hours to charge someone for ...
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What is better for sparkplugs, inconel super alloy or iridium?

I am buying new sparkplugs for my 2006 Volkswagen Passat 2.0T and i purchased pulstar be1h10 sparkplugs with a plasma core, but i am now being told that they are not good for my car because they arent ...
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How to increase the lifespan of a diesel turbo?

Replacing a diesel engine's turbo costs a lot of money. How should a diesel car's owner drive, park and take care to insure that he/she gets the maximum km/miles out of his/her car's turbo?
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What is the average lifespan of a turbo?

I was told the old diesel engines would run much longer than a petrol engine. However, modern diesel cars have turbo's which seems like a component that could easily blow. I am actually interested in ...
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How can I diagnose intermittent low boost on a turbocharged diesel?

When driving around 120/140 kmph and applying max gas, normally the force/torque can be really felt from the turbo. However sometimes its just not there / no extra pull, also the consumption meter ...
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How to test if turbo is properly working in a 2006 Forester XT

I recently had my Forester engine serviced and afterwards it didn't feel like I was getting boost and was getting a whirring/spinning noise while throttling. I brought it back and they realized they ...
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Is the procedure for an oil change different for a turbocharged engine?

I recently upgraded my ride to a 2011 Taurus SHO. I usually try to change the oil as soon as possible after a vehicle purchase, just to be safe. I'm not used to turbo cars, as this is my first, so I ...
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How do I install a turbocharger and a supercharger on a 2008 Hyundai Accent?

For example, we have a 2008 Hyundai Accent. In Turkey, it is called "Accent Era". Is it possible to install twin borgwarner turbochargers from two trucks and a supercharger from a Shelby GT500? The ...
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Will a small engine oil overfill damage the engine or turbo?

I own Suzuki Swift diesel, the engine is 1248cc Fiat sourced diesel engine with a small FGT turbocharger. I overfilled the engine with about 1/2 litre too much engine oil and drove at high speeds on ...
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Is there a 1:1 relationship between boost pressure and power increase?

This question got me thinking: if you were to install a turbocharger on an engine, is there a straightforward relationship between the boost pressure and the amount of power you can expect? For ...
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Solstice - Can an exhaust leak cause (really bad) hesitation?

My Solstice says "hi everyone." Moving on. I've had some really rough starting over the past month or so. I hadn't had time to really look at it until a few days ago, when I noticed the downstream O2 ...
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Car suggests shifting gears too early [closed]

I own a 2014 Volkswagen Passat 2.0 TDI Bluemotion. It is a 6 speed manual transmission. I understand that it is a car tuned for economy. But it still asks me to shift too early. For example if I'm at ...
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Turbo Failure Modes (VW TDI VNT15)

The turbo output in our 2002 VW Jetta TDI has dropped way off. Pulling the turbo out seems like a serious piece of work, so I'd like to be pretty confident that it has failed before I pull it. So I'm ...
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Troubleshooting low boost pressure

A Tata with a Quadrajet BS IV (90 ps) diesel engine was brought in for low power. When starting the engine in a no load condition the turbo boost pressure is 950 mBar. When the engine accelerates the ...
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Ford Fiesta 1.4 TDCi Oil Leak

I have a Ford Fiesta 1.4 TDCi 2006 model and I recently did a head gasket change. Now there is a oil leak from the engine, behind the turbo, i cant seem to find the source, but it looks bad. Can ...
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Troubleshooting Low Turbo Boost

I'm starting to suspect that the smoke and low power (I'm pretty sure it is not "limp mode" just a lack of enthusiasm) I'm seeing in our 2002 Jetta TDI (ALH engine with Garret VNT-15 turbocharger) may ...
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Meaning of P0245 (16629) DTC on VW ALH TDI Engine

I'm seeing a P0245/16629 – Solenoid Valve (A) for Boost Pressure Control (N75): Short to Ground – code on our 2002 ALH TDI. The solenoid valve controls the boost by moving the vacuum actuator that ...
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2000 Honda Civic SiR turbo sputter and stalling

To start I have a lot of deletes and tuned ecu on a B18 bottom end with B16 top. Turbo has been set to cut out at 5psi on the ecu. I have a good feeling it is something fuel as I am having problems ...
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97 Eclipse GST Turbo

I switched my Turbo from the T25 Garrett to a 16g TDO5. I have been having to get my car beyond 3500 RPM before boost actually begins. Is this a problem or is this normal before boost? Should it ...
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1997 Subaru WRX STI Type R - Strange and occasional turbo lag

After a longer drive (45 minutes on highway) my turbo is spooling but not putting power to the tires. The revs just kinda bounce there like it's hitting a limiter but it's only around 5k rpm. This ...
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What exactly is porting a wastegate and what situations would I want to do it in?

I've seen it mentioned that some people should port their wastegate on their turbocharged vehicles. Usually, this seems to be recommended in some situations where the car is overboosting past the ...
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Minor boost leak and shrill tone at peak boost: hose clamp, gasket or blow off valve?

Vehicle in question: 2004 Subaru WRX wagon. This weekend, I replaced the intercooler hose (y-shaped upset the intercooler), the throttle body hose and the blowoff valve hose (routes the over boost ...
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what sensors and formula are used to control VGT/VNT turbos?

I want to fit a variable geometry turbo to my car. Its vanes are usually controlled an electrical actuator (otherwise sometimes it's on vacuum). What information is used to to inform the state of the ...
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What are the various causes of preignition / detonation?

A search on detonation produced some of the causes of detonation, but everything I found says there are other causes, but none list them. The most common listed cause is the air / fuel mixture ...
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Turbo equivalent on electric motors

Is there anything functionally equivalent to a turbo for electric motors? Obviously, I am not asking for something that reuses exhaust gases to force in more air, because there are no exhaust gases ...
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what is the exhaust pressure of bajaj pulsar 220cc engine 2014 model?

What is the exhaust pressure of Bajaj Pulsar 220cc engine 2014 model? What is the normal idling rpm of Bajaj Pulsar 220cc? Can a turbocharger be installed on this bike?
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Turbo shaft broken [closed]

Ford Fiesta 1.4 diesel TDCI There was a rattling noise. Checked and found that noise is due to damaged turbo turbine. So turbo replaced. But after replacement with new turbo and 10KMS road test, the ...
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Volvo D13 Boost and fuel mileage problem

My Volvo diesel D13 creates boost at low RPM's at various amounts of level and at any given time; the fuel mileage has gone down by 1.5 miles per gallon. The waste gate was replaced and the computer ...
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R56 mini cooper turbo sounds [closed]

I have a 2010 mini with a r56. the loss of power light comes on when I step on it. I know the PCV valve is bad on it and can set this light. I also have a rear main seal leak so the turbo has to come ...
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Is it possible to extend the length of the shaft on an existing turbocharger, further distancing the compressor from the turbine?

I'm toying with turbojet engine ideas, and over the course of my research it occurred to me that the combustion chamber could be more power-efficient and space-efficient if it was aligned in the ...
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How much extra should I expect to pay to have a Turbo replaced at the dealership as opposed to at a garage? [closed]

The turbo on a Ford Fiesta 2008 TDCi is bust. How much should I expect to pay?
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What is an A/R ratio?

I heard the term A/R ratio today while watching a video about turbochargers. What does the term A/R ratio mean? Does it just apply to turbos? If not, what else does it apply to? How is it computed? ...
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My subaru legacy will not boost

I drive a Subaru Legacy Turbocharged GT 2008 model with an EJ20 engine. When I press hard on the acceleration to boost the tachometer upon reaching 4-5 thousand RPM's it starts jerking and there is ...
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Why no exhaust gas turbine generator in hybrid vehicles?

I found something interesting on Wikipedia today: a hybrid turbocharger. This is a device that charges a battery with an exhaust gas turbine, and at the same time operates an air compressor using the ...
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VWAG TSI engines and intercooler

I have a TSI engine but auto is not VW. I wonder if these engines come along with intercooler or is it just oil cooling. Is there a way of identifiying as I can open the bonnet and notice? edit: it ...
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ALS (anti lag system) - What are the various types of ALS systems used on forced induction vehicles?

I have a very basic understanding of one anti lag system on some models of Toyota Celica. I am interested if anyone knows the various types of Anti-lag Systems that exist in the real world and/or ...
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What is overboost?

I've heard the term overboost quite a lot. What is "bad" overboost? What is an overboost problem? What will happen to my turbo engine if I don't fix it? Edit: apparently there is a good type ...
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Shop replaced engine, blew about six weeks later

A local repair shop recently replaced the engine in my 06 Pontiac Solstice. They obtained a used engine from LKQ. I'm not sure how many miles the replacement engine had (unfortunately). Wednesday ...
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Naturally Aspirated to Turbocharged

I have a NA 1.3 petrol engine and wanna load a turbo. I am looking at second hand parts at online stores and wondering if it is a problem to use a turbo from diesel engine. Does this make any ...
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2002 Ford F350 Superduty 7.3L Turbo diesel using a quart of oil every 43 miles

This Diesel engine has been rebuilt and it didn't use any oil till the HPOP went out. I replaced the oil pump and then I noticed my turbo when going up a hill and the Turbo would sound like a sneeze ...
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Would a non-turbo diesel perform better in high altitudes than a comparable gasoline engine?

I live close to the Rocky Mountains and drive into them quite often. I have a small naturally-aspirated four-banger that tends to lose a very noticeable amount of power getting into the higher ...
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1answer
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SAAB 9-5 wagon throws P1549 Code (Boost control valve)

I called an ASE-certified mechanic. He charged some $60 for the visit and $60 diagnosis and really he didn't quite spot on anything. Left me where I was - work-wise , diagnosis-wise and knowledge-...
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1answer
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Can a crimped or improperly-routed turbo oil return line cause smoke?

After my car runs for awhile, it starts intermittently blowing smoke out of the exhaust, and from under the hood (near the turbo, but it's difficult to tell exactly where it's coming from). Problem ...
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DPF (Diesel Particulate Filter) and Turbo: Golf TDI Bluemotion(hybrid)

I have a problem with my 2012 Golf TDI Bluemotion. The DPF and turbo need to be replaced. The replacement costs about R65 000 SA Rands. Is this common with this TDI blue motion engines or it's my ...