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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
34 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
145 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
16k 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
165 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
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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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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3answers
97 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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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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1answer
542 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
878 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
432 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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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
6k 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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3answers
168 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
24 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
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
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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1answer
77 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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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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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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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
88 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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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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1answer
4k 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
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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1answer
66 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
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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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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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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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
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
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
115 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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5answers
15k views

RPM bouncing when in idle, especially when AC in switched on

I have a diesel common-rail 1.5l engined car. Lately I am facing an issue where the RPM needle is bouncing in the tachometer when the car is idling. The normal idling RPM is around 820. When idling, I ...
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0answers
72 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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4answers
41k views

What's the cause of Diesels' typical clatter noise?

I guess it's related to their basically running off knocking, but if I were to explain it to someone like this, it wouldn't convince me neither. [Edit] From http://www.ford-trucks.com/forums/369700-...
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1answer
932 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

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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1answer
118 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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2answers
335 views

intermittent slow starter cranking on saab 9-3 diesel

Sometimes , usually after a long run the starter turns very slowly like it has a flat battery. If I am lucky turning the key again a few times it will turn the engine at normal speed and it starts. It ...
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0answers
22 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
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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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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3answers
6k views

Possible EGR problem on Fiat Idea Multijet 1.3 Diesel

I've been having issues with my 56 plate Fiat Idea for a while now. It seems to drive normally up to about 2500-3000 rpm where the car lurches a little, as though i shifted down a gear, the MIL light ...
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2answers
158 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 ...