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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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Land Rover Freelander 2 - Bad MPG

2007 Freelander 2 Was having what I consider bad MPG for a diesel, averaging around 23-24mpg Initially thought it needs a service, so lots of money later for a full service which would have ...
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23 views

Suitable grade oil

i am going to do a service on my work car(vw caddy 1.9 sdi 1999). My question is... What engine oil grade should i use 10w40 or 15 w40. In my country during the summer the temperature goes up to 30 ...
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What is the best TurboCharger Down 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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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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45 views

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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10 views

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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47 views

XC90 D5 Black smoke

I have a 163hp XC90 D5. I've noticed lots of black smoke under hard acceleration very similar to an issue 'Caius Jard' had; "there's a periodic hesitation in the power delivery - again going up that ...
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47 views

Is 4000 RPM a normal rpm for a diesel school bus at 55 mph?

I have a Thomas 1991 school bus (36K gvwr) with a CAT 3116 engine and an Allison MT 643 transmission. I purchased it quite recently and when driving it on the highway, the engine RPMs are at 4000 ...
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Polo 9n SDI 2002

Help :-) My son has bout a polo 9n sdi with 120000 miles on. It was a bit smokey apperantly when he bought it. I now have it here on my drive and it smokes on idle and has a neat smoke screen trick ...
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1answer
32 views

How to start a 1991 Thomas School Bus that cranks well, but doesn't start

I purchased the above vehicle for conversion and at first it didn't start at all due to starter issues. At this point it cranked, but cranked weakly. So I replaced the starter about a month ago and it ...
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269 views

Convert diesel engine to petrol (gasoline)

One of my reasons for buying a diesel was environmental -- I thought it would damage the planet less. It seems I was mistaken. But could a diesel engine be converted to petrol (gasoline)? Obviously ...
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Should diesels in general be run at higher rpm than gasoline cars?

I have always had gasoline cars, for which it appears (based on advice from other motorists and from fuel consumption meter), that it is advisable in general to run them between 1500-2000rpm. Going ...
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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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17 views

Kindly please help my Jetta 4 tdi not starting after engine overhaul, showing the error codes below

My Jetta 4 tdi not starting showing those error codes
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26 views

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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25 views

Isuzu D-max 3.0 2009 port OBDII

I'm not a mechanic or anything, but I'm too curious. I live in Colombia and I have a vehicle that is marketed here as Chevrolet Isuzu D-max 3.0 model 2009 (diesel engine) I know that my vehicle has ...
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47 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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Priming fuel system from fuel tank?

Mechanic changed my Focus 2014`s diesel fuel filter, then because he didn't know the correct method to bleed the system, instead he pressurized the fuel tank with compressor. Car ran fine. But the ...
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3answers
92 views

Re-filling the coolant - Susuki Ritz (Splash)

I have a diesel (DDIS) version of the Suzuki Ritz/Splash. I would like to re-fill the engine coolant, as it has been topped-up for a long time now, and might be mostly water than actual coolant right ...
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2answers
48 views

Is a diesel suitable for low mileage but with long hauls and hills?

I've driven petrol cars all my life. But when researching makes and models for a "new used" purchase pretty much everything we looked at recommended a diesel engine. But we're having sudden second ...
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86 views

High Oil consumption in my BMW x3 - 2014 - (F25) 2L Diesel engine

i have recently got my BMW x3 with 41,000 km on it after running for some time it asked for a oil 1L oil topup so i called BMW dealership and they asked me to get a castrol 5w30 and top it up and i ...
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298 views

Car doesn't start & shows 'transmission malfunction' on the dash

I have a 2.0 TDCI Ford Focus 2008 MKII. I hadn't driven it for a few days and when I did the central locking wasn't working but all other electric worked fine and the car ignition engaged but wouldn'...
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astravan td intermittently stalling at low revs when warm

my 05 vauxhall astravan 1.7TD can run fine for a couple of weeks then out of the blue it stalls at low revs when warm. It will restart ok but will not tick over. Once cool it could be ok again for a ...
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62 views

Diesel engine struggling to start when cold

I have a 2.7D Ford AJD-V6/PSA DT17 diesel engine, on which I recently replaced 3 fuel injectors (all 3 of them were leaking). After the injectors were replaced, I now encounter the following problem: ...
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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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59 views

Red zone fuel level

When the fuel level in my car comes to the red zone I feel the running more heavy, the car needs more throttle and is more difficult to gain speed. Is this something normal??
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47 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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94 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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97 views

My truck failed emissions because they couldn't find the EGR

I just took my 2011 GMC Silverado 2500 w/Duramax in for an emissions test in Utah County. They do more than just emissions test. They look to make sure all the elements of the emissions system are in ...
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29 views

BMW 318d 2006 e90 Starter Problem?

I have this weird issue, where my BMW starts When Its cold, but once the car heats up, It turns over after a couple of tries sometimes (10-20) sometimes it will not turn over at all, when that happens ...
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1answer
54 views

Diesel in the engine oil

So yesterday my skoda rapid 1,6tdi decided that she has had enough. Basically white/grey smoke started to blow all of a sudden and revving sound, really loud one. Somehow managed to idle all the way ...
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57 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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44 views

Cause of faulty EGR valve

I recently had my diesel Range Rover sport serviced but the garage didn’t re-seat the fuel filter correctly causing a leak of fuel. At the same time, my engine light came on and it turned out to be ...
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1answer
56 views

Hyundai tucson 2ltr desel 56 plate problems starting

I have a genuine problem with my 56 plate Hyundai Tucson 2ltr diesel. When I bought it it ran and started great, but after about a week of using it I came out one sunny morning and it wouldn't start. ...
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42 views

Replacing diesel injectors

Two weeks ago, I purchased a 9 year old, second hand Ford Fiesta from a UK used car dealership. It's done 58,000 miles, has a full service history and has had a recent MOT. After the first week, one ...
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2answers
40 views

Jerking and knocking

My Ford Fusion (diesel) runs like a tractor when it's cold in the morning. After getting warmer will get jerks and knocks at some intervals. Often at about 2000 rpm. After more than an hour driving ...
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1answer
455 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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1answer
222 views

Suspected suction control valve issue, car also hard to start

I drive a Toyota Corolla with a 1AD-FTV engine. This car has become progressively harder to start over the years. Even at 10°C it might take two tries. It still starts without too much trouble, if you ...
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85 views

Ford Figo 2012 dash board low fuel problem

I am using 2012 Ford Figo Diesel Model and currently I am getting an error in my dashboard like low fuel warning even though diesel tank having 1/2 of its capacity. Due to that its not allowing to ...
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1answer
448 views

Injector leaking/seeping clean diesel over nut/body

I've got a 2005 Mazda 3 (ford inside), engine DLD-416/DV6/MZ-CD 1.6 Diesel, 109 PS. When I was blanking the EGR valve I saw some diesel surrounding the injector bases on all the four injectors. The ...
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1answer
184 views

Volvo V50 felt like it was stalling while accelerating then engine stopped

So I bought a Volvo V50 about half a year ago and have been having some issues with it lately. The one problem that has been recurring is that often the engine has very little power. By little power ...
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359 views

BMW 520D M Sport 2008 - Loses power then fails to start shortly after

First had this issue 6 months ago, Engine slowly stalled then when attempting to restart it died out after 10-15 seconds of running with some smoke coming from the front of the engine. Diagnosis was ...
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3answers
505 views

2008 Honda Accord turns over but wont start

I have a 2008 Honda Accord 2.2 Diesel which turns over but won't start. There is 240,000 km on the clock. This issue first occurred about 9 weeks ago. I got in my car to go to work and it kept turning ...
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1answer
142 views

Polo 1.9 SDI having problem to start at morning

I am having a problem in the morning starting the engine of my Polo 1.9 SDI 2000. I have to attempt 2-3 times to start it and after it starts, it makes a strange noise and throw out smoke. I checked ...
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39 views

What are the common parts within the 2 and 4 stroke diesel engines?

What are the common parts within the 2 and 4 stroke diesel engines. a) Piston, valves, cylinder, fuel injector b) Crankshaft, crosshead, cylinder c) Turbocharger, piston, gudgeonpin, cylinder d) ...
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2answers
456 views

What would cause a short to ground while driving - how to locate the problem?

So I was pulled up at the traffic lights yesterday in my 1980 Nissan Urvan (E23) diesel after just coming off a 30 minute commute on the freeway when all of a sudden the engine cut out and a few ...
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1answer
76 views

Diesel Injector Well full of Carbon

While looking over my friend's 08 Kia Carnival J3 2.9L Turbo Diesel, I noticed a strange huffing noise. After removing the decorative engine cover I discovered this: This injector well is filled ...
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1answer
79 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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49 views

Strange oscillating sound when decelerating

I got a VW New Beetle 2000 with a 1.9 TDI ALH engine. The gearbox is a 02J/EBJ. The car is 19 years old and odo shows 232400km. There is a strange sound for a very very long time, it was already the ...
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110 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 an error code which the kindly person at DEQ said was a turbo bearing seal failure, therefore, planning to ...