A heavy oil used in compression-ignition engines.

learn more… | top users | synonyms

2
votes
1answer
25 views

My car Diesel Yaris doesn't start very well after an alternator change?

I have recently changed the alternator after it died in my diesel yaris. I have done about 150 miles with the new alternator however it still doesn't start very well. It now takes 1 long or sometimes ...
2
votes
0answers
16 views

injection fault Renault Megane 2 1.5dci

I have a Renault Megane 2 1.5 dci with 150,000 km on the clock. Sign the injection fault, then the engine stops or makes rattling noises. I noticed that the hose back fuel for air bubbles that appear ...
1
vote
0answers
43 views

Hot cranking problem on 6.6 duramax

6.6 duramax diesel engine cranks good cold but periodically won't crank hot unless I use starting fluid. This usually happens after engine has been turned off about 30 minutes. Also if idles for ...
3
votes
0answers
31 views

VW Passat diesel fails to start when the engine is warm

My car will start OK when cold, on the first or second attempt. It will start on the 1st attempt if the engine has been running, and the engine has only been shopped for a few minutes. However if ...
3
votes
0answers
50 views

starting a diesel tractor

I have a diesel tractor with a generator.after sitting for a long period the battery was low so I used a portable jumper battery but mistakenly hooked up the cables in reverse. this caused smoke to ...
1
vote
0answers
36 views

BMW 520d e60 2008 diesel engine won't start after switching off

I have a strange behaviour of my car. Engine starts well at any weather condition but after driving and switched off engine cannot start again for 20 - 40 minutes. After this time it starts like ...
3
votes
2answers
47 views

Not starting when temperature is high

My ford forgo 2012 diesel refuses to start when it is running after long distances but it normally start when it is cold what will be the problem
0
votes
0answers
9 views

Ford Ikon tdi Unknown details - starting problem [duplicate]

My dad bought the vehicle last year, but recently he has been having trouble with the vehicle. First he had leaking injectors whereby he repaired them,but now he has been having the problem of bubbles ...
4
votes
1answer
29 views

starting issuse 2007 F350 6.0 diesel

When its cold out intermittently when starting the vehicle and then shutting it off the vehicle will start to crank with it in the off position. With the vehicle in the off position the starter should ...
7
votes
1answer
98 views

Does free revving a diesel engine to 4000 rpm (1.6 crdi- hyundai) cause any damage?

It's a Hyundai CRETA/ ix25 model... clocked 1800kms on the odometer, diesel spec engine 1.6 crdi unit, manual transmission! It has redline at about 4800rpm in the tachometer. When i took it for ...
7
votes
3answers
137 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
1answer
38 views

Diesel engine vs petrol engine characteristics [duplicate]

Please explain why Diesel engines (in general): vibrate more. are louder. I understand in principal how both engine types work so feel free to go into technical details. My assumption is that it ...
3
votes
1answer
38 views

keep getting air in the fuel line

I put 17 liters of petrol in my Renault kangaroo it already had 8 liters of diesel in it had it drained by mechanic put 12 liters diesel in it took a while but did start and run well until I got 3 ...
5
votes
1answer
70 views

Has wrong glow plug damaged piston?

I recently had the engine on my VW Golf TDI replaced with a reconditioned engine. After having start up problems for a while, I asked an independent mechanic to have a look. He found that one of the ...
1
vote
1answer
30 views

Citreon Berlingo Diesel Manual

Opened the bonnet, looked to LHS beyond screen-wash reservoir, removed cap on (?) hydraulic oil, found it to be RED in colour and below minimum level when engine not running. Went to shop: insisted I ...
4
votes
1answer
53 views

306 peugeot vivante 1.9 diesel wont start ,i have changed glo plugs and relay

306 vivante turbo diesel wont start new glow plugs and relay,exhaust is leaking badly in first section and turbo on the way out, but turns good thought it would at least fire up?
8
votes
1answer
231 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 ...
10
votes
2answers
619 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-...
3
votes
3answers
266 views

2004 powerstroke white smoke now no start

I have been trying to fix my truck for a while so long story. I need help bought a 2004 power stroke with 100k miles. It ran well for 15k miles then started having low power for first few minutes to ...
1
vote
0answers
45 views

Volvo D13 Boost and fuel mileage problem

My Volvo diesel D13 creates boost at low RPM's at various amounts of level and at any given time; the fuel mileage has gone down by 1.5 miles per gallon. The waste gate was replaced and the computer ...
7
votes
2answers
171 views

Hyundai i30, 1600 cc Difficulty starting

Hyundai i30 model 1600 cc Auto. diesel, now done 60,000 miles. About 10 months ago, I had difficulty starting the engine from cold. The temperature would have been in the 50 to 60 degree Fahrenheit ...
4
votes
2answers
96 views

Can the throttle position be high during idle

I used an OBD to get data from one of my friend's car - Volkswagen Polo 1.5L Diesel. But the car was idling at around 900 rpm, while the throttle position I got was around 22%. How is it possible? As ...
10
votes
1answer
136 views

What are the pro's and con's of compression braking vs. exhaust braking?

My truck supports 2 types of engine brakes: Compression release brake Exhaust brake Both can be selectively deactivated using switches. What are the pro's and con's of each type of engine braking ...
4
votes
0answers
47 views

1989 7.3 IDI wont start

I have a 1987 F250 with a 1989 7.3 IDI swap, the truck always used to run great. I went outside to try and fire her up and she wont start. I've tried plugging in the block heater and using ether. It ...
7
votes
1answer
83 views

How will diesel engine perform with air in fuel line?

I recently replaced a fuel filter in my 2005 Dodge Ram 3500 Cummings (5.9L). I'm now getting performance issues: at low speed, and especially starting from a stopped position, I'm getting low power. ...
7
votes
2answers
60 views

Proper glow plug operation

Are glow plugs supposed to stay on after the engine has started to help with the firing of the first few revolutions?
9
votes
1answer
88 views

Ford Tractor 5600

This is a older tractor. My question relates to the fuel system. The older fuel injectors don't have any external seals? All of them seat and 3 don't leak but one does. I was looking for a seal but ...
10
votes
1answer
313 views

Why do diesel fuel lines have to be bled?

Background I've had a couple of situations with diesels. One in particular where I swapped a Ford F350 Powerstroke 7.8 transmission. When I was done. The truck wouldn't start. It was a painful ...
6
votes
0answers
39 views

Additives in Engine Oil

As engine oil is been used in the engine, it gets aged and therefore oligomers are formed. Is there a way that we can separate these oligomers without affecting the additives in the oil???
4
votes
0answers
121 views

Mahindra KUV 100 and Suzuki Alto OBD protocol

Can someone please tell me the OBD-II protocol of Mahindra KUV 100 (diesel) and Suzuki Alto (diesel). Also whether ELM 327 Bluetooth will work? http://www.ebay.in/itm/SuperMini-ELM-327-Bluetooth-v2-...
9
votes
2answers
178 views

How are diesel engines better for the environment than gasoline?

I understand that diesel engines have become much more efficient at controlling emissions over the last couple decades. Various websites like this one describe the technological improvements that have ...
5
votes
1answer
558 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 ...
7
votes
2answers
544 views

Two-Stroke Diesel Engine - Do they use forced induction on them?

As I have indicated before, I'm very diesel ignorant. I just know the basics, very basics. In a two-stroke diesel engine using forced induction seems necessary but at the same time I see challenges. ...
6
votes
1answer
169 views

Two-Stroke vs. Four-Stroke Diesel Engines - What is most commonly used in heavy vehicles?

I am not well versed in diesel engines. To prove my point, I've learned in the last month that a two-stroke diesel engine actually exists. My Question. What kind of diesel engine (four-stroke or ...
6
votes
1answer
68 views

What is DEF and how is it used?

I keep hearing about DEF ... what is it and why is it used in conjunction with diesel engines? I know it is a more recent thing (last decade), but don't know much about it.
7
votes
3answers
451 views

Why don't all diesel engines have throttle plates?

I learned recently that many older and some newer diesels don't have throttle plates to control airflow. I was also quite shocked to learn about a condition called diesel engine runaway. Apparently ...
40
votes
6answers
9k views

Why do heavy vehicles almost always use diesel engines?

I have always wondered why heavy vehicles such as large trucks and buses almost always use diesel engines, whereas in light cars there is a choice between diesel and gasoline engines. Engine ...
6
votes
1answer
64 views

Why is there no drop-in biogasoline like there is drop-in biodiesel (e.g. NEXBTL)?

I have always wondered why there is no drop-in biogasoline like there is drop-in biodiesel. For example, NEXBTL by Neste can be run at 100% mixture in conventional diesel engines. It is different from ...
6
votes
1answer
229 views

Can diesel engine be harmed as easily as gasoline engine by over-revving?

There is an excellent Q&A about why diesel engines have lower redline RPMs (about 4500 RPM) than gasoline engines (about 6500 RPM). The reason is related to the combustion of diesel fuel. However,...
5
votes
1answer
393 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 ...
4
votes
2answers
130 views

Diesel engine suddenly doesn't start and returns to normal without aparent reason

I have a Ford Fiesta 1.4 tdci 2003 that was working without issues since yesterday. Just stopped at house after work to eat, 2 hours later I went to the car and it wouldn't start. I tried hard but ...
1
vote
1answer
39 views

1995 Ford F-250 - Starter continues to run until the batteries are dead

Have a '95 Ford F250 with the 7.3l diesel. Starter just quit working one day. I changed the solenoid and the key lock barrel on the steering column. Now it will turn over but won't stop. Starter motor ...
11
votes
2answers
321 views

Diesel Engine Runaway - What is it?

I was watching some youtube videos and diesel engine runaway videos started to pop up where apparently the diesel engine runs out of control until it destroys itself. My Question What is diesel ...
4
votes
1answer
22 views

Coolant type for 1977 Diesel

I have a marine 1977 Perkins T6.354 6 cyl, 6 liter turbo diesel. There are different types of coolant available and I've done significant research into this question and have not found a clear answer....
3
votes
1answer
47 views

Does anybody know what this is?

I was admiring my grandpa's John Deere 5203 tractor today and saw this. I'm pretty sure that's the throttle connected to the spring-hinge, so I'm guessing it's some kinda fuel injection. However, I ...
1
vote
1answer
113 views

Ford ikon 1.8 nxt diesel - Starting problem [closed]

Ford ikon 1.8 nxt diesel. It has coverd 130000 kms. Now in winter, there is starting trouble. Mostly it takes 30 to 35 secs. Long self. I have checked its heater , hetaer timer ,fuel leakage , battery ...
2
votes
2answers
272 views

Formula to calculate emission rates

OBD tells whether I have passed the emission test or not. I want to know the formula by which it calculates the rate of CO, NOx, HC emission from my car and compares it with some set threshold value ...
0
votes
1answer
61 views

When breaking in a diesel - treat it gently or drive it?

I've been googling diesel run in, and generally encounter two opinions: The first is treat it gently for the first 1000k, and do not exceed 2,000 rpm. The second is drive it at 3/4 revs, maybe 2,500 ...
7
votes
4answers
183 views

2002 Ford F350 Superduty 7.3L Turbo diesel using a quart of oil every 43 miles

This Diesel engine has been rebuilt and it didn't use any oil till the HPOP went out. I replaced the oil pump and then I noticed my turbo when going up a hill and the Turbo would sound like a sneeze ...
1
vote
2answers
56 views

Diesel Engine Power

Let's say we have a 6 cylinder diesel engine having 385 KW power. Now I am running this engine at high idle of 1900 rpm. What will be power produced by this engine? Is it equal to max power or less ...