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
61 views

Will my car A/C cool better if my car's turbocharger is working (above 2500 rm)

Title is self explanatory. I do not know how the car air conditioners or turbochargers really work and affect the power required to be produced by the engine. Can you all help me with it ? Thanks in ...
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Turboing a 4B11

I own a 2015 base model lancer with the 4b11 and I want to turbo it so I’m going to get another 4b11 and put all my mods on it and when it’s done pull my stock engine and put the built one in my ...
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Will blow off valve cause compressor surge if set to vent 1 psi higher than desired boost?

Lets say i set my boost controller at 15 psi of boost, and uses a BOV that has 16 psi spring to minimize boost leak, when i close the throttle the intake pressure spikes above 16 psi for a moment then ...
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86 views

Could a bad EGR prevent the Turbo from Working?

A friend has a 2010 Peugeot Partner II with a 1.6L turbo diesel engine. It was idling horribly with white smoke and had no power under acceleration. When I floored the accelerator parked it would ...
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2009 H1 Hyundai 2.5 crdi turbo fluctuations

Sharing an experience. Had a H1 turbo diesel towed to me blowing steam from radiator. Step One. was replace the cylinder head. Ok done. Started engine and found there was no power. Step Two. Found ...
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90 views

Knocking under load on first gear

I have this issue.. I already asked on FordOwnersClub, but I feel like here I might have a better chance to sort it out. I bought a Ford Focus mk3 2011 with 1.6 ecoboost 134kW engine with 90k km. My ...
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372 views

Toyota Hilux 2KD-FTV and Fortuner 1KD-FTV Vn Turbo Problem (P1264)

I have been dealing with this problem on Toyota hilux for almost 5 months and last week I encountered Toyota Fortuner with exactly the same problem. They both throw DTC P1264 - VN Turbo Malfunction ...
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1999 Ford F-250 Super Duty 7.3L Slow Acceleration When Cold

I have a 1999 Ford F-250 Super Duty 7.3L. The problem I'm having is that as we approach winter and the nights get colder, my vehicle is accelerating very slowly. For example, if I'm going down the ...
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163 views

What type of bolts are suitable for a turbo exhaust housing?

Whilst removing the exhaust housing from my Garrett GT28R turbo, the thread of the bolts sheared off and needs replacing. It's a blackened bolt, so I'm not sure if this has any significance? (heat ...
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How to design an exhaust pipe to increase scavenging at specific RPMs

Good day all. I'm looking for advice on an exhaust design problem. It is easy to find videos explaining exhaust scavenging, but how do you control it? Surely there must be some physics that can be ...
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Why is it that when supercharging, it's preferred to compress the input, rather than pull a vacuum on the exhaust?

It's a strange dilemma, but if the power of an engine is determined by the difference in pressure between the combustion chamber and the exhaust, it should follow that turbocharging should be equally ...
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333 views

VW 2.0 TSI jumped time, could the valves be ok?

I've got a VW CC 2.0 TSI that seems to have had the timing chain tensioner fail causing you to jump time (cranks fast but will confirm tomorrow). Is there any chance that the cylinder head/valves ...
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250 views

Ford transit though was going to blow

Yesterday I was coming on the highway with a Ford Transit and suddenly I noticed that the power was not normal and thought I had a flat tyre. As I turn to the petrol station lost all the power and a ...
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57 views

Something with the turbo

My Vw Jetta 2005 tdi 1.9L has trouble accelerating in low gears. For instance as soon as I switch gear the car accelerates slow and when the rpm reaches around 2-3 it has that power, sometimes. In the ...
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106 views

Modern turbos and oil pressure

One conventional "wisdom" for preventing turbocharger problems has always been to leave the motor running for half a minute or so before turning it off to give the turbo opportunity to spin out while ...
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VW Polo tdi 1.5 - oil leakage in air pipe reasons [closed]

Oil leakage in pipe between engine and air filter assy .
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55 views

Right time to change a whistle/failing turbo?

During the last days the turbo started to make a whine/whistle noise depending on RPMs. I checked on a mechanic for that noise to be sure it's not any pulley or belts and he insisted that was the ...
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106 views

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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1answer
72 views

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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591 views

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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1answer
1k 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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1answer
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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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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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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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6answers
2k views

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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396 views

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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101 views

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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287 views

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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25 views

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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1answer
67 views

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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151 views

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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55 views

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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1answer
2k 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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309 views

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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1k 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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269 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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1answer
56 views

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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174 views

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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1answer
201 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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1answer
918 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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1answer
5k 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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3answers
4k views

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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1answer
339 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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2k views

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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1answer
204 views

Audi TT Turbo and Dump Valve Issue

I've picked up a 1.8 TT Turbo Quattro which has been fitted with a K&N filter and dump valve by the previous owner. My (basic) understanding of how this works is that it should release the air ...
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1answer
136 views

Vehicle Stall and Engine Fire

We currently had a new turbo put into a 2000 Volvo S40, 110k miles. Initially, the car would smoke when accelerating hard with the new turbo. After a few weeks the smoke never occured again and the ...
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1answer
5k views

Oiled vs Oil-less turbos

So the question I have is are there any major benefits to the oil-less turbo technology that exists today? What makes a turbo like this better from a traditional oiled turbo? (Not specific to any car ...
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2answers
7k views

02 WRX loss of power/boost

2002 US market Subaru WRX with mods from the PO slowly lost boost over the course of a few weeks. I noticed the boost gauge not climbing as high as it usually does under normal conditions. After a ...