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.

Filter by
Sorted by
Tagged with
8
votes
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 ...
1
vote
3answers
65 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 ...
1
vote
3answers
157 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 ...
3
votes
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 ...
1
vote
1answer
46 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 ...
1
vote
1answer
1k 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 ...
1
vote
1answer
75 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 ...
1
vote
1answer
51 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 ...
-1
votes
2answers
61 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 ...
0
votes
1answer
56 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 ...
3
votes
4answers
100 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 ...
1
vote
1answer
76 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 ...
1
vote
2answers
62 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 ...
5
votes
1answer
3k 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 ...
0
votes
1answer
22 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
2
votes
1answer
60 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 ...
1
vote
1answer
30 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 ...
0
votes
2answers
41 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 ...
0
votes
2answers
38 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 ...
0
votes
0answers
28 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 ...
0
votes
2answers
76 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....
1
vote
1answer
21 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 ...
2
votes
1answer
56 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 ...
5
votes
5answers
14k 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 ...
0
votes
0answers
43 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 ...
0
votes
1answer
29 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 ...
14
votes
4answers
40k 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-...
1
vote
1answer
725 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'...
1
vote
1answer
23 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 ...
1
vote
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 ...
1
vote
1answer
116 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 ...
2
votes
2answers
317 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 ...
1
vote
1answer
121 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. ...
1
vote
0answers
20 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, ...
1
vote
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 ...
0
votes
2answers
121 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
1
vote
1answer
57 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 ...
1
vote
1answer
32 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 ...
5
votes
3answers
5k 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 ...
2
votes
2answers
96 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 ...
4
votes
1answer
6k views

2000 VW Golf TDi (Mk. 4) grey smoke from exhaust before engine has warmed up

I have had my Golf for 8 years. It’s had good maintenance and a the record is kept by my dad. It’s just passed its MOT (Ministry of Transportation) test, and the mechanic mentioned that the tappets ...
1
vote
1answer
447 views

BMW E90 318d oil leak

I've recently replaced my splash shield and I found some oil spots on the oil pan. I've tried to look for the highest point where I could find leaked oil and it seemed to be near the oil filter ...
0
votes
1answer
734 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 ...
1
vote
1answer
353 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 ...
2
votes
1answer
1k 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. ...
0
votes
0answers
37 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 ...
0
votes
0answers
72 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" ...
10
votes
7answers
9k views

How did they start diesel engines before the glow plug was invented?

According to this Bosch page, their glow plug was developed in the early 1920's. Yet the diesel engine was around for at least 20 years prior to that; the French used it in a submarine in 1904, for ...
0
votes
0answers
11 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, ...
7
votes
1answer
7k views

Ford Focus engine cuts out at 3000+ RPM

I should provide a little background to this issue as I believe the two are most likely related. The car is a Ford Focus 2008 1.6 TDCi Diesel (UK) which this year has had a brand new battery and ...