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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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2answers
139 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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67 views

What is the name of this?

My car is hard to shift gears and found out this was the reason. Any idea what’s the name of this part?
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1answer
111 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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3answers
160 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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3answers
15k views

Filling diesel vehicles - Vent trick

According to this site it is possible to get more diesel fuel in your tank by pressing in the vent latch on the filler neck: Look inside the filler neck and you can see a button, see below for ...
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3answers
96 views

Jump-starting high-amperage diesel engine with a car with a smaller battery

I have a 1985 Mercedes 300d, with a battery with a cold-crank rating of 1000 amps. The battery is pretty much dead (and pretty much new). So far, I haven't been able to jump-start it with another car ...
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1answer
40 views

Diesel, sporadic loss of power

I have a 2009 Opel Astra 1.7 diesel (Engine Z17DTJ), manual transmission. In the last days it happened sporadically that the engine lost power immediately after startup Symptoms Fires up immediately ...
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2answers
54 views

Ford Fiesta 1.4 TDCi not starting after engine rebuild. (flooded vehicle repaired )

I have a Ford Fiesta 1.4 TDCi 2006 model. The car have been flooded and the had it cleaned and The Head Changed, Pistons and rings changed, have it checked with OBD2 scanner. Everything looks fine. ...
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97 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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1answer
1k 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
604 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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1answer
2k views

How do I resolve acceleration issues with my Mahindra Bolero?

I have acceleration issues my Mahindra Bolero. This happened after I got the thermostat replaced. I have check with couple of workshops and ended up changing diesel filer and accelerator kit. ...
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0answers
24 views

What does a high altitude package in diesel heatings

I am currently checking out various camper vans and for one manufacturer there is an option for the diesel heating called "high altitude package" which is supposed to ensure the heating is functioning ...
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1answer
46 views

Cold start electrical problem

I've asked this also on volvoforums, but since here are also general car discussion I would like to ask here also. I own a Volvo s80 2.4d 2009 (with 300.000 km) and since the weather got colder I ...
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3answers
195 views

Mazda 3 2005 unknown cable

I bought a used Mazda 3 year 12/2005 from Italy. This car has a diesel engine 1.6 Turbo same as Ford/PSA. I have a loose three pin cable that don't know where does it belong. I've checked with 2 ...
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1answer
35 views

Have 01 Dodge ram 2500 desiel automatic transmission

Transmission started making grinding noise on way home. Took forever change gears put it in my garage dropped transmission found round bearings in bell housing. I can't tell if they were from front ...
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1answer
87 views

conrod bearing segments

I'm building a 1.9 td PSA motor, type DHX and ordering new segments I found the mark on all the segments on the same side, I've checked again and again and all indications are that the item ...
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2answers
856 views

Octane rating of fats and oils versus diesel fuel

I'm struggling to understand why, apart from viscosity, it's so easy to substitute lipids (i.e. SVO, WVO) for diesel fuel. I'd have to assume these fuels have inherently different octane ratings and ...
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2answers
123 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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1answer
37 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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2answers
97 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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4answers
14k views

What kind of engine oil should one use in a diesel?

I got an 1987 Toyota Land Cruiser with a 2H diesel engine. I never changed oil on a diesel engine prior to this truck, so I'm a little confused. Toyota Factory Shop Manual recommend API CC oil type, ...
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2answers
69 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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7answers
84k views

Is it normal for the oil to be dark in color right after an “oil change” in a 10-year old diesel car?

I took my 2002 Jetta TDI wagon to a neighborhood shop about 10 miles, 24 hours ago. They supposedly changed the oil, but the color is very dark, almost black. Definitely not light-colored/transparent. ...
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7answers
4k views

Is it possible for a diesel engine computer to detect (and prevent) a runaway condition?

Although diesel runaway is not so common... ... the consequences are spectacularly catastrophic. On old-school engines, I can understand that there isn't much you can do about it except try to cut ...
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4answers
72k views

What is causing air in my fuel line?

I have a 2003 Jetta TDI. I drove it last night with no problem. This morning I cannot start the car. I popped the hood, and discovered air in the fuel line between the fuel filter and injection ...
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1answer
1k 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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1answer
155 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
18k views

My car's diesel exhaust smells really bad

First of all let me say I apparently have no exhaust leak. For a long time I've been asking myself how was it possible that the exhaust of my car smells so bad. It does it when in the morning, I ...
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1answer
192 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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2answers
56 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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1answer
585 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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0answers
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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7answers
7k views

Why does a petrol engine need to maintain an air-fuel ratio, while a diesel engine doesn't?

This simple question has been bugging me for a while. The amount of fuel injected into a petrol engine is calculated according to the amount of air entering through the throttle valve (as measured by ...
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1answer
63 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
3k 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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1answer
80 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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2answers
85 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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1answer
61 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
130 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
119 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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1answer
5k views

Nissan Quashqai acceleration problem

I have a 2009 1.5dci Nissan Quashqai diesel with 59k miles on the clock. I am experiencing the following symptoms and would appreciate any guidance the community can offer: 1) Car is ticking over ...
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1answer
81 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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1answer
96 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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2answers
58 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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2answers
46 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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0answers
40 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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1answer
28 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
233 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 ...