About gasoline, diesel and other fuels.

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Reliability and maintainability of an Audi A4 1.9 TDi @145000+ miles [on hold]

I would like to know about potential issues with Audi A4 1.9 TDi sport version, specifically how easier will it be for me to drive. I am trying to buy this car (registered in the UK 2003) and has done ...
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1answer
18 views

Car stalling in the morning

So I have been dealing with an elusive CE light and some shaking of my car for a while now. For a while it was just shaking occasionally, I thought it was a moisture problem, but that doesn't seem ...
6
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2answers
808 views

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
25 views

00 honda accord ex 3.0 coupe fuel pressure problems

My car was caught in the flood that we recently had about a week ago in west phx, az. My car starts, runs, but in the flood my car got water in the oil pan, tranny, so I gave it an engine flush ...
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9answers
11k views

What are the benefits of premium (high octane) petrol?

Here in the UK it's common for petrol (gas) stations to offer both regular and "premium" unleaded petrol. The premium stuff is (naturally) more expensive, and I've often wondered what the actual ...
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8answers
6k views

When given a choice between octane 89 and 93, which should I choose?

I just recently got a 2005 Volvo S40 with a turbo engine; I want to take good care of it, so naturally, when the instruction manual recommends 91 octane fuel but says it takes a minimum of 87, I have ...
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4answers
18k views

Are fuel system cleaners (like Gumout) worth using regularly?

Are fuel system cleaners (like Gumout) worth using regularly?
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2answers
1k views

Power loss in truck - triage options?

I've asked at least one question about my specific situation earlier, but at this point, I'm looking for information on how to operate in triage mode, my primary goal is to get my truck working well ...
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3answers
129 views

Why can't I fill my gas tank in one go?

For the past couple of months, I've been having trouble filling my gas tank. I have a 2003 Hyundai Elantra, which has a 55-liter tank (approximately 14.5 US gallons). When I buy gas, the pump clicks ...
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1answer
36 views

How to test injectors on a 1999 F-350 with a 7.3

How do you test injectors on a 1999 F-350 with a 7.3 motor? I think it might be misfiring.
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1answer
79 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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2answers
190 views

2003 Ford Escape..strong fuel smell

2003 Escape 3.0L V6 149,000 miles 4x4. Three weeks ago a very strong fuel smell coming from rear of vehicle after I park it. Don't smell it anywhere else. Replaced the original fuel cap with after ...
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3answers
14k views

Why should the fuel petcock valve be turned to “Off” position when not using the vehicle?

It’s mentioned in the user manual of my motorbike, that when not using the vehicle, I should turn the petrol tap (the one that has three positions “On”, “Off” and “Reserve”) to “Off” position. I don’t ...
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1answer
75 views

Symptoms of a clogged fuel line (pump runs but engine not starting)?

I removed the in-tank fuel pump from my '93 Golf Cabriolet to fix a fuel gauge issue. I noticed a small tear in the mesh filter that goes over the intake nozzle of the pump. I replaced the pump but ...
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2answers
47 views

1993 Mazda MVP gets hot only when pressing on accelerator

We have replaced hoses and water pump and have had no problem with it getting hot. In the past week it has started to get hot, not overheated. It only happens after driving on highway when pressing ...
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3answers
273 views

Car stalls when braking (VW Mk1 Golf)

I have bought a Mk1 Cabriolet that has been sitting for over a year. I am trying to get it road worthy. So far so good, but I am having an issue with the engine and braking: The engine stalls when I ...
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2answers
326 views

Switching to a higher octane

This may be a very noob question to ask. But I recently got this car and was used with 92 octane petrol. However, to my negligence I overlooked the user manual which states to include 95 octane ...
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2answers
4k views

Diesel Engine difficult to start

I have a diesel powered Audi A4 B7 (2006) 2.0TDi (the 170BHP variety) with a manual gearbox, which I've owned for around 18 months. The car has just short of 100k miles and has a full dealer service ...
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8answers
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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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4answers
105 views

Why does a diesel sound like that?

My car is in the shop for a repair, and they gave me a loaner. It's a Chevy Cruze Diesel. Sitting on the driveway, my wife said, "It sounds like a truck". It does. So what exactly it is about ...
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2answers
63 views

What happens when you run out of fuel?

My question is specific to diesel or gasoline (petrol) engines. Many people told me that it is very bad to run out of diesel since it can damage the engine and it's difficult to re-engage it ...
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8answers
30k views

Will higher octane fuel improve gas mileage?

I've heard from some people that high octane fuel will increase gas mileage. Around here, we have the basic unleaded(87), mid-grade(89), and premium(93 or 91). I've been using the basic 87 unleaded ...
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1answer
25 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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3answers
61 views

Is Petrol usage Proportional to Gas Pedal position

I was wondering about this the other day. Is the petrol usage in the car only influenced by the position of the gas pedal? So for example if I take my foot of the gas and coast for 30 seconds, would ...
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1answer
361 views

air bubbles in diesel fuel line of peugeot 206

Hi I have a peugeot 206 1.9L Diesel (1999). I recently changed the fuel filter and now the engine is running very rough and sometimes cutting out especially at low speeds. I have noticed that there is ...
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2answers
42 views

Front info panel in VW Golf Estate Diesel 1,9 TDi 2008

I bought a couple of days ago VW Gold estate diesel 1.9 TDI Bluemotion from 2008. Unfortunately, the previous owner did not provide a manual for it and this is insanely expensive to order the ...
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3answers
30 views

My Chrysler 300

someone put sugar in my tank I had it dropped and clean but when they put it back together when you drive at 35-40 mph, it vibrates underneath the car what do you think it is?
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2answers
61 views

Does engine performance decline over time, and if so, how much?

I currently drive a FIAT Punto 1.2 Active 3dr which is just over ten years old and sits at 68,000 miles. I've had the car for four years, and it's been serviced once during that period, when I got it, ...
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1answer
819 views

2008 Ford Mondeo 2.0 TDCI cranks but won´t start

Ok, so I´m having this problem with a 2008 Ford Mondeo mk4 with a 2.0 TDci engine code AZBA, same one Peugeot uses in other cars such as the 407. Car was having trouble a few days back to start ...
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5answers
4k views

Is it normal for the oil to be dark in color right after an “oil change” in a 10-year old diesel car?

I took my 2002 Jetta TDI wagon to a neighborhood shop about 10 miles, 24 hours ago. They supposedly changed the oil, but the color is very dark, almost black. Definitely not light-colored/transparent. ...
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2answers
655 views

Add 2 stroke oil to a 4 stroke petrol engine during burn-in period

I'm planning to get a new petrol (gasoline) car soon. A friend of mine, who worked as a motorbike mechanic when he was young, told me he puts a small quantity (125 ml / 4 oz) of 2 stroke oil in the ...
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2answers
52 views

P0442: Faulty EVAP System

After seeing my CEL come on in my '05 Mazda 3 (just passed 100K mi.), I used my code reader to find out that the code was P0442. So I naturally came to this website to see what I could find on the ...
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0answers
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diesel pressure issue Fiat Punto 1.3 JTD

I have a Fiat Punto 188 1.3 JTD Multijet and an issue, that brings me a headache since 2 years. The car is from 2005 and already has 180 000 miles down. Almost every time, the I fast accelerate from ...
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3answers
72 views

What could be the reason and solution to a sudden drop in mileage?

Got my Suzuki Swift Diesel serviced two months back, and all of a sudden the mileage dropped from 20kmpl to 12kmpl and that is confusing! After i returned to Service shop, the guy said that there is ...
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1answer
56 views

1999 ford f350 will not start under 50 degrees

If my 99 ford f350 with a 7.3 diesel is not plugged in it will not start under 50 degrees what should I check?
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1answer
30 views

Small Engine Storage

I get conflicting info concerning small 4-cycle engine storage and would appreciate any recommendations. My snowthrower is stored in the off season April thru Oct. The manual for the engine says run ...
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5answers
410 views

Why didn't tuning box or remap work on my mondeo st tdci

I brought a tuning box a few months ago. When I fitted it, it didn't work so I sent it back. They tested it and it was working fine, so I tried it again, but it wouldn't make my car any quicker. So I ...
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0answers
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Where can i find my car's schema?(seat ibiza ST 1.6 TDI)

I have a seat ibiza ST 1.6 TDI. Where can i find a schema which shows me where is the general parts(break hydrolic container, ECU etc. )
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4answers
657 views

how to increase mileage of petrol to match with diesel car

My relatives bought a diesel car and I found out that their gas mileage is better than my petrol gas mileage. Now, the price of petrol is soaring. Can I increase my mileage to match their gas mileage? ...
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1answer
25 views

Engine starts but almost immediately cuts out 3 or 4 times when starting

I have a Golf Mk2 that has been sitting a while and I am fixing up. When I start the car the engine catches but then dies almost immediately. I have to restart the car 3 or 4 times like this until the ...
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2answers
55 views

Most economical acceleration range

I am designing a GPS based acceleration meter for car. I'm planning to give user some scores based on his various acceleration practices. Not going to the electronics part of GPS, i want to know in ...
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1answer
280 views

Engine suddenly died on uphill, then went back to life after a few tries

Car: BMW 318 TDS Compact. 90HP. 168.000KM Situation: was driving a very intense uphill section at 70km/h, in 4th gear (2.000 rpm). Everything was ok. Engine sound, temperature, etc... Suddenly, ...
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1answer
174 views

Sea Foam vs Sta-bil

Is it unnecessary to use both Sea Foam and sta-bil at the same time in two stroke and four stroke engines, or is it advantageous to take advantage of the properties of both? Both products claim to ...
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0answers
156 views

Fuel Consumption and other Fuel related data from basic OBD-II parameters

I want to know how can i obtain the values of Fuel Consumption, Fuel Economy and other fuel related information from basic OBD-II parameters like Vehicle Speed, RPM, TPS etc. I have noticed that not ...
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4answers
4k views

What is causing air in my fuel line?

I have a 2003 Jetta TDI. I drove it last night with no problem. This morning I cannot start the car. I popped the hood, and discovered air in the fuel line between the fuel filter and injection ...
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3answers
341 views

2003 Nissan 350 Z won't accelerate

We own a Nissan 350 Z and this morning it would not start. It would turn over but it wouldn't fire. After pulsing the gas a little bit it would start but then letting off the gas would cause it to ...
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1answer
74 views

Volume of fuel reserve in MB E200 W211 2004

I wonder how much fuel is still left in the reserve tank when the yellow fuel reserve indicator lights up in Mercedes-Benz W211 E200 Kompressor (2004).
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0answers
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How do I make my 2nd generation Toyota Hi-Ace start more easily?

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 ...
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1answer
603 views

Re-programming injection pump on French Ford Focus TDCi

I replaced the engine on my 2003 Ford Focus (French TDCi) and I plugged it to clear the error codes. Now it starts ok but stops after 10 minutes. I read that when a new injection pump is installed, ...
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1answer
2k views

Difference between high octane and low octane?

What is the difference between high octane and low octane fuel? I'm not asking if one is better than the other for my vehicle, specifically, but rather what occurs differently both scientifically and ...