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
364 views

Starter Motor Power

I have two 6 cyl. diesel engines one with turbo and starter motor 4KW and the other without turbo and starter motor 2.5 KW What happen if I replaced 12V 4KW with 12V 2.5KW starter motor?
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How does starter work without a trigger wire terminal?

Changing the starter on my 2007 Fiat 1.3 diesel. There is no "trigger wire" terminal. Instead the light wire is in a plastic housing which is bolted on under the battery feed. How does this work?
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Diesel engine smoking

So I am currently working on a Ford Transit 2013 Diesel. The vehicle had a startup problem. I went ahead to change the turbo, fuel filter, and even had to extract the DPF from its chamber (because ...
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2answers
98 views

why gasoline fuel can not ignite on the same diesel engine? [duplicate]

I have a diesel engine running. And I switched the diesel fuel to gasoline fuel. It does not ignite at all. Why ?
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44 views

Has anybody converted a bus from diesel drive to electric drive (hybrid) converting the old engine into a generator?

I am aware that the vehicle will increase weight and that older engines must be modified to operate with less harmful impact to the ambient. I rather wonder about the accompanying effects and ...
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1answer
192 views

If a car has to spend long periods without being driven, is a diesel or gasoline engine a better choice?

I have to buy a car for a vacation home. The car will spend long periods (up to 4 months at a time) without being driven. I have heard anecdotally that it is bad for diesel fuel to sit in an engine ...
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1answer
106 views

Merc C220d misfire at revs above 2000 rpm

Ok I need help. My merc C220d w203 is having a proble it feels and looks like a misfire. It happen constant when I rev above 2000rpm to 3000rpm. Once the engine drops back to idle it take it from 5 ...
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0answers
55 views

A180 diesel doesn't start, pops open diesel cap instead

When I try to start my diesel Mercedes A180 it doesn't start and the diesel cap opens instead! When I turn the key, sometimes it makes the starting noise (but then stops). At other times it doesn't ...
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1answer
7k views

Soft clutch on Ford Ranger following brake cylinder, clutch cylinder replacement

I need help with my Ford Ranger diesel 2.2 L clutch. It had a problem with the brake cylinder which I replaced. Then the clutch became soft and had little to no resistance, which becomes worse on ...
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1answer
169 views

Can a tune eliminate the need to avoid redlining a cold engine?

As with any car, you'll want to be a little gentle right off the bat when driving a cold car. Not granny driving, but not hooligan either - to let the engine warm up at least to some degree. My car ...
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2answers
161 views

Device that prevents vehicle from draining accessory batteries?

Not exactly sure if the device / component or setup I'm asking about even exists. But, here is my naive question (I am bad with electrical in general): Is there something built into modern vehicle ...
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4answers
14k views

Troubleshooting low boost pressure

A Tata with a Quadrajet BS IV (90 ps) diesel engine was brought in for low power. When starting the engine in a no load condition the turbo boost pressure is 950 mBar. When the engine accelerates the ...
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2answers
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BMW 530xd e60 2008 diesel engine turns but won't start

I have a problem with my BMW, just bought it, previous owner hasn't been facing such problems. When the engine is cold for e.g.: after night. Outside temperature is about -4 to +1 degree, engine won't ...
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2answers
1k views

Given that one of the reasons diesel engine produce black smoke is overfueling, why do diesel dragster produce so much soot?

I've read on the internet, in a couple of maintenance books and asked a few buddy mechanics and they all seem to point to the fact that a healthy diesel engine should not produce black smoke and that ...
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1answer
2k views

Vauxhall Astra - Poor acceleration above 2000 revs and “chugging” when driving

I have a 2010 diesel Vauxhall Astra it started chugging and I have poor acceleration especially going uphill or when I rev the engine over the 20 on the rev counter, I let the fuel tank go low and I ...
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Frequent Oxygen Sensor dirty problems (volvo diesel)

I have a volvo S60 diesel for 10 months (more than 30.000 Km), and I already have to clean the oxygen sensor once and seems that I have to clean it again. My question is what can I do to reduce the ...
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4answers
10k views

Small amount of wrong fuel type put in the tank

The guy who works at a gas station was filling up for brief moment wrong fuel type in my car until he realized what he did. I own Citroen Xsara 1.9d, make year 2000. Before filling the tank which is ...
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2answers
2k views

Accidently put biodiesel fuel in 2009 Nissan Altima. What to do?

I made a really stupid mistake earlier tonight. I was at a gas station refueling my 2009 Nissan Altima (2.5L 4-cylinder engine). I stupidly selected the only option that was available at the pump ...
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1answer
6k views

Buzzing sound coming from Audi A3 2.0 TDI engine

This is an '05 A3 with a 2.0 TDI BKD engine, about 120k miles on it. The sound starts when I move the key to the ON position, without starting the engine. But even with the engine on, it's still there,...
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2answers
1k views

Doesn't want to start

Some help would really be appreciated. I've got a diesel Renault kangoo 1.5 dci 2006 that is being stubborn. It will start with e-z start without too much trouble. I thought the issue was a blown fuse ...
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3answers
23k views

2008 VW Golf - no ignition lights on dash

I have a 2008 Golf 2.0 TDi GT with no ignition lights on the dash. I put the key in the switch and turned but nothing happened. The battery is fully charged, the key fob has a new battery and locks/...
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0answers
84 views

Om mercedes 364 turbo diesel fuel line question

Hello I'm busy with a conversion on a om 364 Turbo mercedes Benz diesel engine. I am battling to find a diagram for the fuel lines and which is the push and return fuel lines on this motor and where ...
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2answers
1k views

Why does “i” stand for petrol?

As illustrated by this list of car engine names by manufacturer, car manufacturers like to give the petrol and diesel variants of their engines often confusing names. The least confusing of these ...
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1answer
242 views

Mini Cooper 1.6 Diesel Carbon Coming From The Exhaust

I have just recently bought the car and have noticed that the car kicks out black smoke when I am driving, this only happens once or twice, but there is a lot of carbon inside the exhaust and also the ...
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1answer
700 views

What's wrong with diesel on alternator

I have a problem with my peugeot 205 TD from 94. I had a diesel leak from injector return lines. I just fixed that but it seems like my alternator broke, again, it's like the third one in two years ...
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2answers
163 views

Should I perform any special checks when buying a high mileage car?

After a series of breakdowns with my current car, I've finally decided that its time to get a replacement. Looking round local dealers, I've found a 9 year old used Mazda 6 diesel which seems to meet ...
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1answer
716 views

Fuel misting during refuel

So I recently received my new company car, a Jaguar XE. When refuelling the car there is quite a lot of diesel misting coming out of the tank. I've never had this before on any diesel car and I'm ...
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112 views

Is there any way to muffle the engine braking noise from trucks?

We have all heard the loud and annoying rap-rap-rap as truckers apply compression braking for their engines, especially going down hill. Is there a something they can install to muffle this?
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1k views

Why won't the engine start after replaced top gasket? [closed]

I replaced the top gasket of my VW caddy 1.9 tdi and now it wont start. It says that the oil pressure is low but I have checked the oil and it is correct on the dip stick. The engine turns smooth and ...
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1answer
109 views

1994 GMC 6.5 Turbo Diesel

What would cause the turbo to boost in normal driving... no pulling a hill, no pulling a trailer, no load. Sometimes will boost going down a hill. details from OP comments below: The check engine ...
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2answers
2k views

What fuel type is more explosive?

I think it's one of the most popular things in action films: Cars exploding. In reality, a car explodes very rarely, even when it gets shot. However, what fuel type tends to explode more? Diesel ...
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1answer
216 views

Diesel engine on LPG

I have seen LPG powered petrol cars which can run on both the fuels. But I have not seen any Diesel engine car running on LPG. Is it possible to run a diesel engine on LPG?
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0answers
148 views

Fuel pump fuse location

Where is the fuse for the fuel Pump located in the fuse relay box for a 2004 Dodge Ram 2500? I am trying to find out if I need to change my fuel pump or just the fuse. I am not getting any readings ...
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1answer
2k views

Does free revving diesel engine near redline for 2-3 seconds harm it

What happened is I accidently pressed the accelerator and rpm shot to 4800-4900 rpm in neutral. The engine was fully warmed-up. Redline of the engine starts from 5000rpm and revv-limiter kicks in at ...
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3answers
5k views

What happens when I fill diesel in a petrol car?

What happens when I fill diesel in a petrol engine. I know what happens when I put petrol in a diesel engine but not the other way. Could you please explain that to me?
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10answers
13k views

Diesel vs Petrol motorcars. Pro's and cons?

I realize this may be a silly question to those of you on here who are proper petrol-heads and this may even be a repeat question, but I could not find anything on it on here, so here goes: What are ...
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1answer
147 views

Ignition turning engine over when key is off

1996 Ford F250, 7.3 diesel. Steering column has been loose for a bit, which makes me suspect the switch.....Started truck fine to come home from work. Pulled into driveway and as soon as I turned the ...
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1answer
304 views

Uploading a tuning file to my car

I would like to remap my car myself. I will be buying a tuned map from mychiptuningfiles.com for my Ford Focus 1.6 TDCI so I only need to download my stock map and upload the tuned stock map. What ...
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1answer
1k views

Ford fiesta diesel brake pedal hard

I have ford fiesta diesel 1.4. I am facing a problem. Month ago I felt that when i apply brake fast in an emergency pedal got hard. It took some time to get normal. Today when i start the car, feel ...
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0answers
2k views

Troubleshooting Smoking Diesel (2002 VW ALH TDI)

Our 2002 TDI has started surging at idle – especially in gear after a cold start, it seems to get better as the car warms up – and smoking (mostly HB's, vile habit). This has been going on for about a ...
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2answers
106 views

Why is my car pointer going slightly down and then, when accelerating from 2500rpm to 3000 rpm

I just bought Volkswagen polo 2002 diesel with 75 hp 1.4 engine. The problem is that when i accelerate above 2500 rpm till 3000 rpm, the rpm seems to jump slightly down and then up again, it feels ...
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2answers
2k views

Why do tow truck drivers never turn off their engines? [closed]

I was at an outdoor wedding recently and I could hear a truck idling behind the hedges so I went to investigate. It was an AAA tow truck and the driver was filling out paperwork. I explained that a ...
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0answers
46 views

Looking for Fuel Injectors for a Renault Clio Expression 1.5 cdi 2006 plate

I am looking at buying a set of fuel injectors for my car but not sure of what part number I can use. Equally can you buy a manual for car parts? Any help would be appreciated. Thanks in advance.
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3answers
17k views

Why do head gaskets fail in diesel engines?

I'm considering the purchase of a 2001 VW Golf TDI "mechanic's special", so named because it apparently has a failed head gasket (white smoke). I'm not a mechanic but I'm fairly handy with tools and ...
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6answers
2k views

How can I increase the life of my diesel engine when my car does lots of small trips?

What things can I do to increase the life of my diesel engine when I make lots of short trips in the car? My daily routine means that the trip to work goes via another destination which gives my ...
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0answers
75 views

Results surprising said lab reporter of emission testing on Toyota Qualis Diesel 4 wheeler on AVL DiTest MDS 205

I got emissions of Toyota Qualis Diesel car tested with the AVL DiTest MDS 205, the result sheet had following columns rpm, temp, secs, CO(%vol.), CO corrected, CO2(% vol.), HC(ppm),HC corrected(ppm),...
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1answer
61 views

Starting problem when it`s cold

I have an "S40" diesel VOLVO. Everything was fine about starting and things till I had to change the injection pump due to its leakage. Of course a brand new injection pump cost an arm and a leg, so I ...
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1answer
401 views

Which rpm´s should i run my Turbo Diesel at? [closed]

So this question has been itching in me for quite a while but i´ve been too lazy ask. I have a Ford Mondeo 2005 2.2 TDCI and my question is how high or low rpm´s should i be driving my car(i know it´s ...
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1answer
896 views

Fuel Consumption high

I currently owned a Toyota KDH200. Manfactured year 2006. The Engine is 2KD (2490 cc). (Fuel Type : Diesel) I had an issue with fuel Consumption so I went to a mechanic. He scanned the vehicle (he ...
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2answers
594 views

Why won't my '05 VW Caddy rev past 3500rpm?

I've got a '05 VW Caddy 2.0 SDI here that didn't run at first. Scanning the OBD (with a chinese knock-off ELM327 scanner, and the Torque Pro App) gave me a P0726 fault code. The description says "...

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