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Questions tagged [diesel]

A type of internal combustion engine where ignition happens when fuel is spray at high pressure into a compressed charge of air, or the relatively heavy fuel oil used in compression-ignition engines.

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1answer
96 views

Number of diesel injections per revolution

A modern TDI using a piezoelectric injector may have up to as much as five injections per power stroke as far as I've read. Given a four stroke, four cylinder TDI engine using injectors of that type, ...
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257 views

Starter Motor Power

I have two 6 cyl. diesel engines one with turbo and starter motor 4KW and the other without turbo and starter motor 2.5 KW What happen if I replaced 12V 4KW with 12V 2.5KW starter motor?
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What would cause the Reduced Power Warning Light to come on when engine is under stress, but then reset upon turning ignition off and back on?

We test drove our 2011 GMC Sierra Dually Diesel Crew Cab with 117,224 miles on it and immediately got a check engine light. Upon inspection, it was determined that the catalytic converter was bad. ...
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Why does my diesel lose electric power when glow plugs are engaged?

When I went to start my van today I was unable to get power. Initially I engaged the glow plugs four times. The glow plugs heat, then the relay chatters. When I turned the key to start there was a pop ...
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467 views

Fuel misting during refuel

So I recently received my new company car, a Jaguar XE. When refuelling the car there is quite a lot of diesel misting coming out of the tank. I've never had this before on any diesel car and I'm ...
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1994 GMC 6.5 Turbo Diesel

What would cause the turbo to boost in normal driving... no pulling a hill, no pulling a trailer, no load. Sometimes will boost going down a hill. details from OP comments below: The check engine ...
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261 views

Can you prevent the diesel bug with a silver coil?

In computer water cooling loops, it's common to use a silver coil to prevent microbial growth. Could a bigger coil secured safely in the fuel tank prevent microbial growth from forming in diesel?
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Reliable budget small diesel car - around 4-7 years old [closed]

I'm looking to buy a small budget diesel car in the UK I was wondering what are some reliable suggestions. I have a D4D Yaris at the moment that is playing up. I have been looking at the Hyundai I20, ...
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110 views

When breaking in a diesel - treat it gently or drive it?

I've been googling diesel run in, and generally encounter two opinions: The first is treat it gently for the first 1000k, and do not exceed 2,000 rpm. The second is drive it at 3/4 revs, maybe 2,500 ...
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1answer
539 views

Chiptuning for a car with DPF (Diesel Particulate Filter) is a bad idea?

I know that it is possible to disable DPF (Diesel Particulate Filter). I'm wondering how bad it could be to leave DPF (Diesel Particulate Filter) functioning and add a chip to a car?
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OBDLink Settings for Fuel Economy

Specs: App: OBDLink v5.4.1.1072 (iOS) Adaptor: OBDLink MX+ (bluetooth) Vehicle: 1999 Ford F250 7.3 turbo diesel (Aug 98 Production) Have been working with this Scantool for a couple weeks now, by ...
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rav4 2L diesel, 2002, engine failure

engine gone in my 2002 rav 4, 2L, diesel, but can i replace it with an avensis, corolla 2L diesel or other toyota? obviously keeping my original turbo, starter etc. mark
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NOx sensor location - 5.2L 4HK1

So we have a 2011 Isuzu NPR-hd that is giving us a few codes, one for the NOx sensor and one for the glow plug. NOx code is: P2201, glow plug code is: P0672 (cylinder 2). My question is, since there ...
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Coolant level fluctuation

2011 Nissan Xtrail, 2L diesel, 160.000 km. I noticed that while driving, coolant level drops below minimum mark. If i let the engine cool down, level rises to the same mark, almost to max. What ...
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Slight vibrations and strange feeling in pedals (clutch and gas) in stop and go traffic

The problem is as follows: when driving in stop and go traffic, at some point I can feel some slight (most passengers are not able to feel them) vibrations in the cabin, accompanied by a "scratchy" ...
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Audi A6 2016 sometimes high rpm and not running right

Recently I've purchased Audi A6 3.0TDI 272hp 2016 and sometimes the car starts at 800rpms and sometimes slightly above that - let say 850. The car runs fine when it is keeping 800 rpms at idle, ...
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My 3 litre diesel patrol revs increase from 750 to 1100 when I idle after a drive what would be the problem please

What would cause my 3 litre diesel to increase revs from 750 to 1100 when idling after a drive
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Diesel truck at 40Mph huge “stall” and then kick

So I have an 01 Chevy Silverado and i have a little strip that i like to see how fast my truck can go 0-60. The problem is that when I'm accelerating, at around 40mph my truck "stalls"(like im pushing ...
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142 views

Fuel rail pressure low on common rail diesel

The engine can suddenly cut out when driving and either go into safe mode or stop altogether. Have changed pressure sensor, pressure regulator and fuel filter with no joy. Sometimes engine won't start ...
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44 views

Why did car go quiter and cut out after fuel change?

I did a fuel change and during it was concerned that I may have put diesel in my petrol car because it wasn't clear which pipe was which. However the handle was green and said unleaded so I guess it ...
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52 views

Diesel intake heater DIY

I am the owner of an older 3.0 liter diesel car and winter mornings are quite painful for both me and the car. Even though thermostat is fine, heating takes forever. I know diesel only heats up while ...
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184 views

diesel particulate filter regeneration

How do you start the regeneration process to clean a clogging diesel particulate filter and can it be done while driving vehicle ? I heard you need a special scan tool to initiate it. The vehicle is a ...
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2answers
77 views

Smokes blue sometimes

Car starts immediately smoking blue out of exhaust approximately one time in a month. Smokes hard. I see it from mirror. Only way to stop it is to shut down engine and start again 1-2 minutes after....
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1answer
873 views

Peugeot 307 2.0 hdi turns over but refuses to start

OK this has been a long ongoing problem - Car refuses to start usually after it's been left a day or so. It turns over vigorously enough to start but just won't! I'm the process of trying to fix this ...
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125 views

Wrong jumper cable intallation

I have a chevrolet captiva 2010 diesel model. The mechanic installed the jumper cables backward. My suv doesn't start anymore.(it doesn't crank) What could be the problem? What should I check? Thanks
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1answer
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engine started briefly then 3 loud clicks and stalled,

i have an escort van 1998 5.5 (typical escort car derived van same engine) normally a great little runner, but doesnt like 2017, replaced alternator 2 weeks ago, now i start my van and withing 5 ...
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336 views

Diesel engine vs petrol engine characteristics [duplicate]

Please explain why Diesel engines (in general): vibrate more. are louder. I understand in principal how both engine types work so feel free to go into technical details. My assumption is that it ...
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142 views

Do products like Redex work? [duplicate]

Possible Duplicate: Are fuel system cleaners (like Gumout) worth using regularly? Do products like Redex, which state that they "[help] to stop harmful deposits build up on the carburettor and in ...
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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
379 views

Diesel engines maintenance [closed]

Diesel engines are more complex than their petrol counterparts. What are the basic diesel engines maintenance must-dos?