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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3answers
56 views

Subaru MY2008 WRX Turbo

I have a 2008 WRX with the stock TD04 turbo. I cannot hear any spool up as one would usually expect with a turbocharged vehicle. Yet i have used an ODBII bluetooth device and torque for android to ...
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145 views

Turbo info for 2006 Jeep KJ Liberty CRD diesel

Have a Jeep KJ, the 2006 Liberty CRD with the 2.8L turbo diesel. It fails a smog test with a P0299 error code which the kindly person at DEQ said was a turbo bearing seal failure, therefore, planning ...
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B18A1 Acura Integra Motor

I have a B18A1 motor. Is it possible for me to use the oem crankshaft for a turbo build? I also am wondering if anyone would be able to give me insight about using aftermarket pistons with the stock ...
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wastegate accelerator is not opening

I have a 2011 Subaru WRX. I think the wastegate is not opening. Is the wastegate suppose to open while car in neutral and pushing on the gas, or just while driving in gear? Thanks.
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Boost control using two valves with a vac and boost reference for wide boost control range

Can someone explain how the above boost control setup would work. The valve on the left uses a vac source applied to the top of the diaphram which would effectively help hold the spring closed at high ...
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1k views

Unexplained Low LTFT on my Mazda cx7 2.3 turbocharged

So, it started when i got CEL with code p0172: system too rich bank1. I took the car to the mazda dealer, they said you need to replace MAF sensor. I agreed and got the new sensor installed. Now CEL ...
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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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Subaru Impreza Turbo 2000 Stuttering acceleration and clunk

The car is a manual and right hand drive. Pulling away or moving off at low rpm, there is a small stutter. It is always when a little throttle is applied. But much more noticeable is a massive ...
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What is the best TurboCharger dump Pipe Length for a turbodiesel engine? [closed]

What is the best length for Turbocharger Dump Pipe. I have a Force Gurkha with a 2.6 litre diesel engine. I removed the second CAT Converter and Muffler from the exhaust. So now it has a CAT and then ...
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1answer
47 views

Lack of power after turbo replaced

In my 2005 Toyota Previa D4D T3 (2.0 litre diesel), the turbo had blown just over a year ago. I took it to garage who replaced the turbo and, generally, the car has been running fine except for one ...
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High rev in low gear on a diesel engine

just to put this question into perspective, the car I'm talking about is a 2007 Alfa Romeo 159 1.9l jtdm turbodiesel. So, I was driving it and I needed a bit of life out of the engine, so to get the ...
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202 views

My new car was driven almost 100 miles without oil

I took my 2019 Mazda CX5 Turbo into a Mazda dealer for it's first 5,000 mile maintenance and while driving back to my town noticed that the check oil light was on. I called the service department and ...
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Engine misfiring past 70-80pmh

I’m having a bit of trouble with my car however nobody can seem to diagnose the problem. I got the car three months ago and within the first month driving on the motorway I reached about 80 mph and ...
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Can I attach a DC blower to intake manifold of my 150CC Yamaha FZS FI engine?

I am planning to add a 12V DC blower (https://www.amazon.in/gp/product/B00LPUXVWS) to intake manifold of my Yamaha FZS FI 149CC engine. I thought it could work more like a supercharger, except it will ...
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Oil draining out shortly after turbo hose detached/broke

My car is a VW Golf 5 1.9 TDI (77 kw), year 2005. Problem: Turbo hose broke Yesterday while driving on the highway with a speed of around 130-140 km/h I noticed a sound from the engine which was ...
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Broken turbocharger - what is the best option, repair, buy new or find a used one? [closed]

My car is a VW Golf 5 1.9 TDI (77 kw), year 2005. After establishing that my turbocharger was destroyed I had three options to choose from. There is more insight to what happened in the next ...
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Citeron Turbo Wastegate Actuator Setup

Hoping someone here will have the turbo wastagate actuator setting/specification. for the Citroen C4 Picasso I 1.6 thp EP6/AL4 I got the car used, about 2 years ago, and it is not lacking any power, ...
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Citeron C4 Picasso I 1.6 THP Turbo Diverter Valve

Having P2262 and P2099 codes, and when I bench the diverter valve with 12v battery, the valve will energize and retract which seems normal. But when it is mounted to the turbo. 1. While looking for ...
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3k views

Engine, sudden reduced power with soft shaking

I have a 2007 Holden with a 2.0 Turbo engine. On one day I decided to go through a light that had just turned orange- so I pressed down, not completely as I new how much power I needed to go through ...
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Vibration in 2013 Ford Explorer 2.0 Eco Boost after changing turbo & motor mount

I have a 2013 Ford Explorer 2.0 Eco Boost. The turbo charger had to be replaced. There was a lot of noise and the repair shop said it was the motor mounts and replaced them. The noise did not stop ...
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Question about aircraft engine injector system

i was recently working alongside an aircraft mechanic on a turbocharged 6 cylinder fuel injected engine (a Lycoming TIO-540 if your curious) and the complaint from the customer was that it would ...
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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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Does driving a car economically damage the engine?

I have a Honda Vezel, which is available only in Japan. The closest (very close) equivalent is the 2016 Honda HRV. It has a 1.5 i-VTEC engine (whatever that means) and a CVT gearbox. The shift has ...
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Problems after changing turbo

Im desperate for some help. I recently had my turbo changed on my Mercedes C200 diesel after the shaft broke. After the change I have had a problem that will not go away. It occasionaly over and ...
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4k views

Remove the body on a Discovery 3 just to replace turbo?

I have a 2005 Discovery 3 2.7D and the turbo has failed and every garage I took it to says the body shell has to be removed. They're quoting me £1000-£2500 just in labour alone plus the turbo £700 and ...
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2011 Insignia 2.0 Diesel. Limp mode, with ECL, but no fault codes

I recently changed out the turbo hose as it was split. It had not been idling well, wit hthe revs jumping up and down at idle. It threw out a P2282 code, so after a bit of research checked the hose ...
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301 views

OEM Boost control solenoid part number?

In my never ending quest to keep my aging 2004 WRX functional, I’ve started to look into my wobbling boost pressures. One suggestion I heard was that, after hundreds of thousands of miles, it’s ...
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Making a Poor Man's Water Injection System

I was just reading this article on water injection systems and they made an interesting comment: Note that it has been suggested in some circles that the water can be directly added to the petrol ...
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2k views

Still in limp home mode after fixing turbo hose

I have just replaced a split turbo hose on my 2011 Vauxhall insignia. However after clearing the fault on the ECU the engine is still in limp home mode and the car says "Service vehicle soon" on ...
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4k views

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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How does Ken Block's Hoonicorn V2 filter air from the turbos?

Ken Block's 1965 Ford Mustang dubbed the "Hoonicorn V2" features a pair of turbos that stick out of the hood. If you look at the picture of the engine bay there appears to be no air filtering ...
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538 views

Effect on ECU on turbo install on N/A engine

I own a Suzuki Swift M13A non VVTI, it have both MAP and MAF sensor, Its N/A engine with compression ratio 9.5:1. I want to install a turbo on it with 0.5 bar boost. I would like to know if MAP and ...
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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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147 views

Is my mechanic responsible for replacing my diesel engine when it runs away?

A few years ago, I bought a used a F-150 with a large turbocharged diesel engine on it and the turbo went out, so I got a mechanic to replace it. Now, the turbo went out again and when the mechanic ...
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Swift Diesel engine seeing decline in power - Need overhaul or bad turbo?

My 2008 Suzuki Swift Diesel 1.3 DDiS has run about 150,000 kms. In the last few weeks, the car seems to be losing its powerful acceleration. While there is no sudden drop in power while accelerating, ...
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1answer
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Does the air intake system in a VW CC 2010 go around the engine?

I am trying to visualize what the air intake system in my car looks like. It's a turbocharged 2.0L VW engine. As I understand it, the air intake is on the front right near the radiator and headlight....
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Sudden Turbo Whine That Oscillates with Manifold Pressure

I'm looking at an 08 Kia Carnival J3 2.9L Turbo Diesel that a friend brought to me today. The complaint was that all of a sudden a day or two ago they started hearing this whining noise that changed ...
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Audi A4 2007 2.0T boosts but poor performance, fuel economy

My 80,000 mile 2.0TFSI Turbo Audi has lost a lot of performance but produces no check-engine-light (CEL) or codes. One month ago an independent garage looked at it and did $2200 of work including ...
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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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Turbo losing boost at around 4000 rpm

I have a 2005 Opel Astra Turbo Coupe. I would imagine most of you guys are more familiar with the Vauxhall or Holden badge, but it's the same car with the same Z20LET Turbo Ecotec engine. Anyways, ...
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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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327 views

Non-Turbo vs Turbo at Altitude and loss of power

I am going to be moving from sea level to 7,000 feet and at the same time replacing my 02 Accord with something else so I am looking around at all sorts of options. I know that at altitude an internal ...
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Typical Stock Boost Values

For an engine that is boosted out of the factory, what are typical maximum and average boost values? Are they conservative in the 5-6 PSI range or do they get more aggressive getting up to 10-15 PSI? ...
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30k views

What does PRNDSB means?

My Daihatsu Mira does not have any manual, Its an automatic car with TurboEngine and Gear with PRNDSB. What does all these means? My car is four wheel drive as I can see rear differential in it. If ...
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Intercooler after the engine and before the turbo

what would hapen if right after the engine the exaust gas went to an intercooler and then to the turbine??? the turbine would run cooler but it would be better?
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Is it possible to repair a piston in an engine

Continuing from my previous question (here) one of the pistons have no combustion and so the car is only working with three pistons, and there is a sound like a piece of metal smacking against ...
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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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1answer
4k views

Calculate boost from MAP Sensor via OBD-II

I'm working on a little project where I want to calculate the boost pressure (in bar) which my turbo currently produces. I use a wifi OBD reader that I plug into my car. I saw mobile apps calculating ...
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195 views

Selecting an aftermarket turbo

I am trying to upgrade the turbocharger on my 2007 Volvo C30 T5 from the stock K04 to something larger and capable of supporting 350-400bhp. I followed Garrett's website which allowed me to generate ...
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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 ...