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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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0answers
47 views

Mixing DEF with Diesel

DEF (Diesel Exhaust Fluid) is a solution of urea and water. What exactly happens if DEF is inadvertently added to the diesel tank? This YouTube video: https://www.youtube.com/watch?v=aLwcm4PjyIs ...
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2answers
51 views

Chip can affect DPF?

I have a Honda CrV Diesel 2.2L. The DPF light turned on and i lost power. The car has chip. I have twice my car regenerate then I get back the power of my car. Then after 1 week the DPF turn back on. ...
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33 views

What is this connection on the air intake right before the turbo?

This is the engine bay of a Citroën C5. I would like to know what the connection indicated by the red square is for. I removed the air duct once to check the EGR valve and there was a little oil ...
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1answer
22 views

2005 F250 Turbo Diesel Starts Rough

When it starts it takes a few cranks to get going, and it overall starts pretty rough. I was told that I could turn the key almost to ignition until the humming stops x3 and then start it to stop this ...
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3answers
98 views

Effects of using diesel fuel in a gasoline engine

This is similar to this question but I'm more interested in possible long-term effects. The story is we think my son (new driver) accidentally put diesel fuel in his 2005 5.7L Hemi engine. Luckily ...
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1answer
58 views

Trying to understand the diesel cycle

I understand that in a diesel engine, the fuel is injected after the air has been compressed, while in a gasoline engine, it is injected while the air is being draw in. But, then there are a few ...
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1answer
59 views

Will deleting the gear-driven pump for power steering and vacuum on this diesel engine put the camshaft journal at risk of failure?

I took a 1989 Dodge Cummins diesel engine out of a pickup truck and I’m using the engine as a stationary power source. The combined power steering + vacuum pump has developed an engine oil leak, and ...
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1answer
59 views

Compression ignition in petrol engines

First and foremost, this is not a question about reparing or maintenance. I'm familiar with how both petrol and diesel engines work, and I have a question about (possibly) making petrol engines more ...
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4answers
114 views

Why do worn diesels emit black smoke?

I have often noticed that on the road, whenever a heavy diesel accelerates, it emits a huge cloud of black smoke. If this happens in front of me, I put the air recirculation mode on. This typically ...
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1answer
67 views

How Regularly Should Glow Plugs Need Replacing

How long should glow plugs last in a typical diesel engine? And what might cause them to fail early? I ask because my 20 year-old Ford Courier (an Australian rebadging of the Mazda B-series) needs a ...
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2answers
45 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
23 views

Very brief loss of power and puff of smoke, diesel engine

I have recently purchased a 2004 Jaguar X type 2l diesel. When driving at steady speed on the motorway, there are frequent (about 1 every 2 minutes), brief (fraction of a second) and slight (just ...
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1answer
120 views

Diesel leak by fuel injector on Volvo V50 2007

So for a time now there has been diesel undeneath the fuel injectors. Could this be a simple o-ring seal gone rogue? Or a destroyed copper washer? There seems to be a little puddle of diesel by ...
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1answer
50 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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74 views

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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1answer
31 views

Why isn't my car showing a small fuel input?

I just used a fuel pump to add 3.8 liters of diesel to my car (£5) from a local Jet fuel station. However my car's analogue fuel guage hasn't moved in the slightest. I have added similar amounts ...
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1answer
23 views

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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0answers
23 views

Not starting, just clicking [duplicate]

I have a 2002 diesel Renault Clio. Everything was working fine the day before, but now it will not start. It makes a click noise then nothing. The lights/radio work. Changed the starter motor ...
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0answers
23 views

2011 Jeep Patriot CRD 2.2 - engine does not start // P0685 error

I have a 2011 Jeep Patriot CRD 2.2 (Euro-Model) that does not start anymore. First boot-up and preheating is normal but when I turn the key further for ignition nothing happens, no sound no movement, ...
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0answers
14 views

2007 F250 Super duty Powerstroke 6.0 crank no start

Ok I don't know Jack about diesel, but i am learning as I go! It has been running out of fuel when the DTE is at 65-58 miles and its keeps climbing. When i first got the truck a year ago it ran out at ...
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1answer
36 views

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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1answer
34 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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2answers
64 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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0answers
65 views

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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0answers
32 views

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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2answers
41 views

Shock absorber anti sway bar support

2011 Nissan Xtrail T31 Diesel. The support that holds the sway bar link looks like this: https://i.imgur.com/vlZTJLz.jpg. Can this be welded? Or should I buy a new set of shock absorbers? How ...
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84 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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0answers
15 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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2answers
159 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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1answer
65 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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0answers
17 views

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
34 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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1answer
2k 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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2answers
115 views

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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21 views

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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0answers
31 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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0answers
27 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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2answers
77 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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0answers
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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0answers
36 views

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
156 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
50 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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0answers
168 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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1answer
955 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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0answers
23 views

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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0answers
181 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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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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1answer
65 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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0answers
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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0answers
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 ...