Questions tagged [engine]

Internal Combustion Engine. Most engines in road going vehicles are 4-cycle internal combustion gasoline engines.

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13 views

Hard starting, poor idle and exhaust smell

Are these symptoms associated with valve problems? If so, is it better to replace the heads or just replace the defective valves?
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40 views

Sludge in the oil of a Subaru Forester

My Subaru Forester has 105k. For the past three years, I've had to add oil to it at an increasing rate. In the past few months, I've had to add a quart every week or two. I have recently found out ...
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26 views

Solid state Relay in place of ignition control module [closed]

Could I use a Solid state Relay in place of ignition control module?
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2answers
85 views

Why oil changes and not oil replenishment

Provided that the oil filter of an engine would be swapped every x time intervals as needed to be kept clean, I was wondering if, instead of removing all engine oil and replacing it with new (clean ...
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103 views

Does the flywheel really complete 33 revolutions per second when the engine is set to 2,000 RPM?

My car's RPM meter says x1,000 for each notch, therefore when set to 2 this implies 2,000 RPM. I can't visualise an engine's flywheel turning 33 times per second when the car is set to 2,000 RPM - it ...
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Engine jerks at certain RPM - Misfire & fuel system over pressure [P000F, P0302]

My Audi A5 1.8t has started having some hiccups after an engine job (Changed valves, timing chain & camshaft intake side) The car starts fine, it sounds fine, but it has the following problems: ...
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1answer
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HHR - CEL giving codes P0171 and P0326

2010 HHR LT 2.2 has had funny idle with occasional stalling. Had oil changed last Sunday and noticed the air intake hose connecting fender to filter box was unraveling so my Daddy took it off and i ...
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How do cars drive through deep water as shown on many videos online?

I have read many warnings about driving a car through deep water. Some problems that this can cause is destroy the catalytic converter and in petrol engines water can cause damage to spark plugs. And ...
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48 views

Proper course of action when car engine suddenly dies occasionally when car is stopped

When I was driving home from work today I stopped at a traffic light. The car was stopped and in drive, and my foot was on the brake. I was on relatively level ground, and the ground was relatively ...
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I need to know if she is locked or can I do anything

Nov18/19 oil change date plus new battery purchased was in formed that breaks and bushing need to be fix referred to another shop to look at. Car has been driven everyday and out of state no issues ...
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151 views

Why do motorcycle pistons need replacement and not cars?

Motorcycles, especially dirtbikes and other types of racebikes require pistons to be replaced quite frequently, say every 30 hours of riding. These bikes often have a rev limiter around 10,500 rpm, a ...
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1answer
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Check Engine light came on, turns out, i had a bad battery but it threw a bunch of codes?

Okay, so I drive a 13 Hyundai Genesis Coupe 2.0T. Last night my check engine light came on. I took it to advance auto today to have the code read. It threw a bunch of codes which were Throttle ...
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26 views

Jeep Renegade 2015, engine cooler light

This might be very stupid but I only have this car since 2 weeks (bought used). Today I noticed, that one of the red lights on the spectrum of the cooler temperature measure is on. It is the one ...
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2answers
55 views

Ticking sound from engine bay

I bought a used 2014 Hyundai Elantra GL (82400kms odo) a week ago and I have been hearing a clicking sound from 1.5 to 2 thousand RPM mark from the engine bay, when I am sitting in the cabin. Here's ...
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55 views

Ignition coil replacement

My girlfriend has a 2007 Nissan Sentra with 160000 miles on it. She does not think the spark plugs have ever been replaced which leads me to believe that the ignition coils have also never been ...
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1answer
47 views

Power loss after driving over 15km (engine hot)

I have a 2010 Opel corsa D driven under 50k km. The car was parked outside for 5 weeks as I was in vacation (outside temperature -4deg to +6deg). As I came back I found a strange problem every time I ...
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45 views

Cracked block - replace just the block

I have a GM 350/5.7 marine petrol engine. The block has a large crack due to freezing. The engine itself doesn't have that many hours on it, so the other parts should be quite OK. Is it possible to ...
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44 views

Diagnosing rattling noise whilst car under acceleration

I have a 2008MY Fiat Grande Punto (6 speed manual transmission), which has developed what I would describe as a rattling noise during acceleration. A few observations I have made: The noise sounds ...
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3answers
57 views

Does the electrode of a spark plug break when the engine runs too hot?

I have an Audi A5 1.8 TFSI Sportback from 2011, bought it recently (4 months ago), which ran fine until two weeks ago. The engine went through diagnosis and the operator showed a broken spark plug to ...
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41 views

98 ford expedition stalls while driving or in park after it has ran for a while

'98 Ford Expedition Symptoms started to occur a month ago. Car stalls while driving or in park after 20 minutes Can't turn on car for 24 hours. If I unplug the battery for 20 minutes, I am able to ...
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29 views

2017 CF MY17 Black Edition - “Routine Maintenance Required”

My 2017 Black Edition Lancer shows this alert every time I start the car. It's been doing this for a few days now. The service sticker says next service at 17,000km; I'm only halfway there. What ...
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2013 Hyundai Accent Can't Clear 420 Code

2013 Hyundai Accent 255K miles. Runs great, still gets around 35 MPG. 40K miles ago I was having trouble with 420 code. Did usual tune up stuff and both O2 sensors. Ended up replacing the Cat with ...
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Engine knocking

I have a 2013 Hyundai sante fe sport (base). Engine started knocking due to it burning all the oil within 5k miles ( I understand that’s a problem). Put oil in it and still knocking. Took the engine ...
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29 views

High pitched revving/sensitive gas pedal?

I live in the UK and went to go and test drive a 1.0L Peugeot 108. The car was in good condition and it's from a main dealer at a fair price which is why I am attracted to it. It was obviously sitting ...
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1answer
42 views

Can 2008 engine be installed in 2009 liberty?

my engine gave out and dealer replaced it. Is it possible for 2008 engine to be put in a 2009 Liberty? I did my oil change now, and the oil filter for 2009 Jeep Liberty did not fit. The filter was ...
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71 views

My car is more noisy, is it something to worry about?

My Altima is 10 years old and I am the only owner. Lately it's more noisy like engine noise when I am on high way. I am rather used to it but if I have new passenger, they definitely tell me why is my ...
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88 views

Its -38 and car wont start

So I ran out of gas in -40°c we filled the tank and put in fuel line antifreeze, tried starting the car and it cranks but wont turn over so we had no choice but to leave it for 2 days due to the cold....
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1answer
36 views

2006 Kia Rio squiling only when cold and I turn my car left or right

Ok when I start my 2006 Kia Rio 1.6l and I go to turn out of drive way it squels only when it's cold but when it warms up it goes away but it doesn't make the noise when it is not moving "only does it ...
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1answer
27 views

Oil Consumption Acura TL

General question. As far as oil consumption rate, will an engine filled with the proper amount of oil burn oil more rapidly, or will an engine that is low on oil oil more rapidly? or will it make no ...
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2answers
73 views

Grrr sound from engine bay every 5-10 seconds

I'm driving at constant speed and at about every 5 seconds I can hear a grrrr sound from the engine bay that lasts for 3 seconds and goes away. And comes back again after 5 seconds. What could be ...
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1answer
29 views

Corsa life 1.2 oil/engine problem

No lights have came on at all to tell me the car was running low on oil. Drove home today and smoke was coming from under the hood and burning smell. The car is still turning over but when I looked at ...
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152 views

is it warming up the engine for a short period of time a good thing or bad?

If I have a motor vehicle as a general question, Is warming up the engine for a short period of time - let's say 5 min, is it a good thing for the engine or bad? and what about specific for this ...
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59 views

04 Acura RSX power steering

Does anyone know the tool that helps stop the power steering from moving while tightening the nut??
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65 views

Spark Plug Boots Blown Off and Flashing Check Engine Light

I have a 2002 Ford Focus with the Zetec engine. Last month the car was in the shop twice. The timing belt broke and was replaced. Then 2 weeks later the fuel pump failed and was replaced. Yesterday I ...
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car engine (AC?) hose frosting up in engine?

A hose in the engine is frosting up (like you may see in a fridge - see image - the hose/pipe is not normally white!). Any ideas what this may mean? I've also losing some coolant in the radiation (.....
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1990 chevy 5.7 engine shaking

drove 15 miles return shutoff truck 5 min got back in start noticed slight vibration , when i put in gear almost seem like misfire but cant be sure i parked it, has 350 gave it tune up replaced fuel ...
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1answer
33 views

Truck takes a lot of tries to start

Bare with me. I don't know much about vehicles. My 2004 Dodge Dakota takes like 10-20 tries to start in the morning. During all the failed tries, I only hear a click each time (that means it's not ...
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1answer
73 views

Do I need an air breather box ? My mechanic told me I don’t

The car I’m about to purchase has no air box and the seller has told me .. I do not need an air breather box ? I was told I do not need one. Any help would be great that.
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Idle goes up and down [duplicate]

I buy my first real motorcycle!It is awesome but on idle rpm goes up and down.It’s scares me because it’s injector motor not chinese.Can i drive with it or thats not nice for engine?Does someone now ...
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29 views

Rpm goes up and down on idle

I buy my first real motorcycle!It is awesome but on idle rpm goes up and down.It’s scares me because it’s injector motor not chinese.Can i drive with it or thats not nice for engine?Does someone now ...
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0answers
10 views

Scania Engaging all High Gears, but no drive on lower gears

My Scania P340 is engaging all High Gears, but no drive on lower gears, what could be the issue.
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19 views

How to measure Engine capacity [duplicate]

Engine capacity, is it right to measure it in this way,,, example : 2ltr is the amount of fuel consumed at a right rpm at 100 km /hr for 10 kms as per 2ltr capacity. Someone confused my mind I don't ...
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VW Passat CC rubbing engine sound

I have a 2009 VW Passat 3C, with about 290 000 km on board. I got it at around 230 000 km. Seemed in pretty good condition, used mostly on motorways from what I know. I've done my best to do the ...
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1answer
47 views

Cold start electrical problem

I've asked this also on volvoforums, but since here are also general car discussion I would like to ask here also. I own a Volvo s80 2.4d 2009 (with 300.000 km) and since the weather got colder I ...
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honda hornet 2005 cb600 high gasoline consumption

hi my hornet Consumed abut 1 liter for 10 kilo i have iridium spark plug and k&n air filter and modified exhaust i cleaned carburetor and still have this problem
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2answers
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Gear oil or engine oil for friction surfaces in rebuild?

I have an engine that i need rebuilt. I need assembly lube but nowhere close sells it and waiting for it to ship here is not much of an option. Should i use normal 15w-40 engine oil that the engine is ...
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Ford Fiesta 1.4 TDCi not starting after engine rebuild. (flooded vehicle repaired )

I have a Ford Fiesta 1.4 TDCi 2006 model. The car have been flooded and the had it cleaned and The Head Changed, Pistons and rings changed, have it checked with OBD2 scanner. Everything looks fine. ...
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What causes a vehicle/engine to lose power over time? [closed]

Considering normal everyday use. What factors may cause a generic vehicle/engine to lose some of it's power over time? I recently did a dyno test and noticed that my torque output has decreased ...
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25 views

Engine vibration

My Toyota Vitz 2008 1.3 engine VVTI, when you shift into reverse and drive too much vibration rough idle low idle what is the cause of that issue the spark plug is new and they replace it that 4 ...
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74 views

In what conditions/ factors/ cases our engine oil burn without our knowledge

Around 6 months ago I have service my bike from the showroom, all the required things changed and it works fine. Now, few days ago I was driving my bike and suddenly my bike stops, tried to start by ...

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