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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1k views

Does BMW use piezo-injectors for all their diesel engines since N57?

I've heard rumors that since piezo-injectors in N57s proven to be unreliable, BMW switched back to solenoid-type injectors in later engines. Now I see piezo-type in B57 specs. My question is what ...
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589 views

Meaning of P0245 (16629) DTC on VW ALH TDI Engine

I'm seeing a P0245/16629 – Solenoid Valve (A) for Boost Pressure Control (N75): Short to Ground – code on our 2002 ALH TDI. The solenoid valve controls the boost by moving the vacuum actuator that ...
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576 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-...
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434 views

Hyundai Tucson died while driving; will not start

I have a Hyundai Tucson 2011 directed injected diesel which has just broken down. What happened is that while driving the engine suddenly stopped and won't start. There is no check engine light on. ...
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67 views

How do I make my 2nd generation Toyota Hi-Ace start more easily? [closed]

My 2nd generation Toyota Hi-Ace Diesel is not starting easily, or occasionally not starting at all. I have: Tested the glow plugs - all quick and fully bright; Changed battery; Changed the air filter;...
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3answers
6k views

do diesel engines have Idle Air Control Valve?

My problem is that sometimes when my Astra G tdi 1.7 2002 is idling (is not in gear) the RPM will go to 5000-6000 with out me stepping on the gas pedal. The engine accelerates on its own while idling. ...
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2answers
6k views

Diesel or gasoline engine for short trips? [closed]

I have often heard that diesels are preferred for longer trips and gasoline engines for shorter trips. The reason is probably cost: diesel engine costs more, but the running costs are somewhat lower ...
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2answers
2k 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 ...
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3answers
429 views

Re-filling the coolant - Susuki Ritz (Splash)

I have a diesel (DDIS) version of the Suzuki Ritz/Splash. I would like to re-fill the engine coolant, as it has been topped-up for a long time now, and might be mostly water than actual coolant right ...
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484 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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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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1answer
458 views

Egr valve cleaning (2.0Tdi 2005)

I would like to give my cars egr valve a good cleaning. I have seen a few YouTube videos and they can get fairly caked up. Would it be recommended to clean it by submerging it in petrol for a few ...
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1k views

Golf MK3 battery drains, rapid clicking on start, glow plug light flashes

Does anybody know what would cause the following symptoms? I have a 1996 Golf MK3 diesel (not TDI). I drove the car with no problem three days ago. Today I went to start it, and the battery is ...
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2answers
24k views

Ford Figo starting problem

I have 2012 Ford Figo diesel.I recently got the work done for clutch plate and wheel bearing. Now the car is not starting itself. I got it checked by a local mechanic also he said everything is fine ...
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1answer
219 views

Accent diesel car battery type

My old car battery (Exide Express) is totally dead. Now I am buying a new battery. I want to know which battery is the best battery for my car (diesel 2002 model). My car model is a Hyundai Accent ...
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2answers
913 views

Downsides to leaving ignition on without engine running (diesel)?

I have a camper (motor-caravan) which can get really hot on a sunny day. Opening the doors allows flies and other insects in, and running the engine produces noise and exhaust fumes which are ...
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1answer
168 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
1k 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
475 views

Volvo S40 - problem at ~2,000 RPM

I have a Volvo S40 (diesel) and sometimes I have a problem around ~2,000 RPM: it is something like a limp (or you could say that the car hiccups) Strangely, when my brother drives the car, he does ...
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1answer
398 views

I get a blast of hot air during stop start driving. What could cause this?

I am a learner driver with a Hyundai i20. Every now and then when I stop and then go and switch to second gear I get a blast of heat at my legs and feet. The aircon is off and its a diesel. I am ...
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1answer
2k views

Shifting: hard to pull out of reverse and sticks going into first and second

My 2006 diesel Jetta's manual gear shift is not working properly. It's hard to pull out of reverse and it sticks getting into first and second. After first and second shifting is simple. I'm sure it's ...
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1answer
1k views

Diesel motor running slightly jerky on normal RPM after having the turbo repaired

I got my turbo repaired, the service told me that stopped working due to a sensor that had to be changed. It costed me a lot because they told me that the sensor was inside the turbo and it was hard ...
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1answer
71 views

Red zone fuel level

When the fuel level in my car comes to the red zone I feel the running more heavy, the car needs more throttle and is more difficult to gain speed. Is this something normal??
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1answer
5k views

P0380 OBD-II Trouble Code: Glow Plug/Heater Circuit “A”

I found the following error in the error log of my Ford Focus Tunier 1.6 tcdi diesel 109HP (2006): P0380 OBD-II Trouble Code: Glow Plug/Heater Circuit “A” First i thought it was due to a defect ...
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1answer
677 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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1answer
146 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
599 views

What is the purpose of DEF in VW?

I don't mean this to sound like a rhetorical question. I own Volkswagen Passat TDI (which is part of VW scandal) and currently awaiting approved modification for my car. What I'm trying to do is to ...
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1answer
960 views

Peugeot 406 won't start in cold weather

I drive a Peugeot 406 2.0 HDI, 2001. This morning it was -13 °C (9 °F) and the engine couldn't start. First two times, I could hear the engine running, but the third time it died and my temporary data ...
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1answer
125 views

1986 VW Jetta Glow Plugs Not Getting Current

My 1986 VW Jetta seems to have a cold air sensor switch that isn't working. When I turn the key on and wait the little yellow light glows and then turns off just like it should but the plugs don't ...
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1answer
2k views

Engine has become noisy

I have a 1993 Mercedes 308d. It always used to be fairly quiet, but recently the engine has started to sound quite noisy. Its OK when started then after it gets warm you notice when you come to a ...
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1answer
40 views

How do I safely fill and use an external diesel can?

I would like to purchase an external container and fill it with diesel fuel, for use in my personal vehicle. I want to make sure that I am doing this safely. To that end I have some questions: If I ...
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3answers
296 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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1answer
128 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
438 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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1answer
2k 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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2answers
56 views

Jerking and knocking

My Ford Fusion (diesel) runs like a tractor when it's cold in the morning. After getting warmer will get jerks and knocks at some intervals. Often at about 2000 rpm. After more than an hour driving ...
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1answer
3k views

Injector leaking/seeping clean diesel over nut/body

I've got a 2005 Mazda 3 (ford inside), engine DLD-416/DV6/MZ-CD 1.6 Diesel, 109 PS. When I was blanking the EGR valve I saw some diesel surrounding the injector bases on all the four injectors. The ...
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1answer
9k views

When to replace the timing belt on a 2015 VW Golf TDI

I own a VW Golf TDI 1.6 Mk7 (2015) Odometer: 82,000KM. I would like to know at what Odometer reading should I change the timing belt/chain.
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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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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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1answer
243 views

Why don't we have slow diesel engines? [closed]

I became very curious about this. Petrol engines run at higher RPMs to generate the required torque. Also, petrol burns well in a short amount of time. Diesel engines generate high torque at low ...
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1answer
1k views

“SIS ESCAPE” message on dash of 2015 Isuzu NQR?

Does anyone know what the this message means? I can't find any references to it online.
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1answer
608 views

SAAB 93 1.9 Diesel from 2007 won't crank

I live in France and we had some unusual cold weather lately, like -10°C to -15°C. Since a week ago the engine of the car won't crank. The car stood in cold weather and wasn't started for 2-3 weeks in ...
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2answers
701 views

KIA Sedona 2003 Diesel Intercooler Turbo Low Fuel Mileage

I have a 2003 a Kia Sedona turbo diesel 2.9L, with intercooler. I am getting 5 km per liter of diesel consumed. I also have to do oil change and ATF replacement. I got the car 3 weeks ago. What are ...
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3answers
262 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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0answers
299 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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0answers
36 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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0answers
26 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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2answers
612 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 ...
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0answers
217 views

High Oil consumption in my BMW x3 - 2014 - (F25) 2L Diesel engine

i have recently got my BMW x3 with 41,000 km on it after running for some time it asked for a oil 1L oil topup so i called BMW dealership and they asked me to get a castrol 5w30 and top it up and i ...

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