Questions tagged [turbocharger]

An exhaust-driven forced-induction device that increases an engine's power output and efficiency.

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Issue: Ford ecosport 1 ltr ecoboost

When engine starts it runs ok even when accelerating. After 5-10 kms run it starts hesitating/misfiring while accelerating above 40 km/h, if accelerator released and pressed again it almost solves the ...
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49 views

Garage conducts work without my consent

So my car was sent to a car garage to have a recon engine and turbo diagnosed for our warranty. The examiner went to access and my claim has been cancelled and warranty void as the garage have already ...
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1 answer
63 views

Turbo Size for 360 Mopar

I have a 360 mopar that I recently bought that has been modified a good bit by the previous owner. It's got iron heads, running about 9.5 to 1 compression. Was told it has been bored and stroked to a ...
3 votes
3 answers
1k 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 ...
6 votes
1 answer
1k views

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 ...
0 votes
1 answer
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Volkswagen van turbo problem

Volkswagen van 2500cc TDI 109 hp year 2004 The problem is that when I'm driving on the slopes it hits a dip and runs out of turbo. That's on the highway when I start to go down I take my foot off the ...
2 votes
1 answer
102 views

Octane rating vs turbo boost

I have an old carbureted engine with no electronics (beyond spark plug, fuel pump, and wastegate control). At 10psi of boost, it needs 91 octane. In earlier versions of the engine, before the turbo ...
11 votes
3 answers
86k views

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 ...
2 votes
2 answers
161 views

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 ...
1 vote
3 answers
3k 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 ...
3 votes
4 answers
29k views

Why choose either recirculated or dump to atmo blow off valve?

I was watching a Tom's Turbo Garage video on YouTube where he was talking about (at about 10:30 in the video) having a blow off valve (BOV) which is recirculated. This means when the BOV activates it ...
4 votes
1 answer
597 views

How to know what turbo fits my engine?

I am trying to start modifying a stock Skoda Octavia MK1 Engine type APK, but not sure what turbo to fit. I am planing to start the project and been advised to start with the turbo before the airflow ...
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1 answer
3k 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 ...
1 vote
1 answer
296 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 ...
1 vote
1 answer
467 views

Uploading a tuning file to my car

I would like to remap my car myself. I will be buying a tuned map from mychiptuningfiles.com for my Ford Focus 1.6 TDCI so I only need to download my stock map and upload the tuned stock map. What ...
1 vote
1 answer
603 views

VW Passat B6 Overboost condition with limp mode

The car is a VW Passat B6 2.0 TDI from 2008. There is sometimes a flutter-like sound when going from about 3000 RPM down to idle (that is, by pressing the clutch). At over 100 km/h, depending of when ...
2 votes
1 answer
281 views

Ford TDCi sluggish until turbo kicks in

I have a 2010 Ford S-max 1.8 TDCi with 70K miles. The engine starts most of the time, sometimes I have to try 2-3 times. If it happens to not start, the engine barely runs, maybe for a second if at ...
2 votes
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423 views

Shaking, misfiring with all new parts and sensors in a Chevy Cruze 2012 turbo 4 cylinder

I just had my 2012 chevy Cruze 4 cylinder turbo spark plugs, coil pack, MAP sensor, and pressure sensor replaced all same time and my car drove nicely around the corner but as soon as I pulled up to ...
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How to check VW Tiguan 2009 turbocharger valves if they are good?

Based on this: How to fix overboost for VW Tiguan 2009? The service said that the air is controlled electronically in the turbine. And because of electronic failure, I might be getting the overboost ...
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Should you first remove valves and check them before removing turbocharger if getting overboost error in VW Tiguan 2009?

Based on comment from this question: How to fix overboost for VW Tiguan 2009? You may be able to remove and inspect the two valves without taking the entire turbo assy. out. So did the shop do wrong ...
1 vote
1 answer
275 views

How to fix overboost for VW Tiguan 2009?

With a Tiguan when I go on 5 or 6 gear, I often get blinking light and reduced power. Then I can stop car, start it again, it works again. So I noticed that it happens more often when there is a load ...
3 votes
1 answer
3k views

Engine over filled with oil

This is a 2007 Vauxhall Antara 2.0 L CDTI. Four months ago I took my car to a local garage chain to do some tyre adjustments and thought I might as well let them change my oil and oil filter. All ...
1 vote
2 answers
5k views

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 & ...
3 votes
1 answer
21k views

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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2 answers
139 views

Chip tuning simultaneously decreasing fuel consumption and increasing performance

Recently, I came across the webpage of a tuning shop where the shop claims that by doing chip tuning they can simultaneously achieve superior performance and less fuel consumption (based on how they ...
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Hilux Turbo Driver Board 89878-71080

Does anyone know what is the no of the 5V Voltage regulator (T101) on the Driver Board for the Toyota Hilux Turbo Driver unit 89878-71080 Steve
1 vote
1 answer
615 views

BMW 330d 2001 no power problem

I have: BMW 330d, 2001 year, saloon, 135kw Recently I have change the turbo charger of my car. There was a problem related with this post. Then I went to the garage and they ran the diagnostics. ...
1 vote
2 answers
541 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 ...
0 votes
1 answer
76 views

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 ...
2 votes
1 answer
214 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 ...
1 vote
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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 ...
1 vote
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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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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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1 answer
682 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 ...
4 votes
3 answers
647 views

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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219 views

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 ...
10 votes
9 answers
3k views

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 ...
4 votes
3 answers
6k views

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 ...
1 vote
2 answers
10k views

Location of MAP sensor in Ford Mondeo 2.2 TDCI (MK3, 2006)?

My car has a pending fault P0235 (Turbo Charger Boost Sensor "A" Circuit), the turbo charger does not work and there's a huge lack of power. The turbo itself is most probably (mechanically) ok and I ...
0 votes
2 answers
1k 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 ...
4 votes
3 answers
6k views

Could a vacuum valve be responsible for a P1110 code on 2001 Saab 9-5 2.3T with check engine light on?

All of my monitors are in ready mode, only a P1110 code left, for which I have installed booster pipe O-ring, new booster valve or hooter valve, my only culprit left is the vacuum valve on firewall, ...
4 votes
2 answers
557 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 ...
1 vote
0 answers
63 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 ...
2 votes
1 answer
114 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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1 answer
63 views

VW Polo tdi 1.5 - oil leakage in air pipe reasons [closed]

Oil leakage in pipe between engine and air filter assy .
3 votes
2 answers
273 views

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 ...
0 votes
1 answer
88 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 ...
8 votes
3 answers
3k views

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 ...
1 vote
3 answers
87 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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2 answers
231 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.