General internal combustion engine questions.

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3
votes
3answers
269 views

What good is it for an engine to have lower CCs and higher BHP?

I was watching "The Perfect Road Trip 2" by Top Gear, where at some point Richard Hammond is driving a Mercedes A45 AMG. He says that the car develops a whooping 355 BHP, and all that comes from a ...
2
votes
0answers
87 views

Chirping sound from intake manifold, car stalling out?

Over the past 2 weeks or so my car has been making a chirping sound near the intake manifold and the accelerator. The chirping sound comes and go, and about a week ago I had an issue where my car ...
3
votes
1answer
160 views

Engine sputtering, not accelerating. Left for 20 mins and is now fine?

The car is a Mk1 Golf (1993, 1.8lt, mechanical injection). I was driving up a medium incline and suddenly my car starting sputtering and I lost acceleration. I pulled over and started the engine ...
5
votes
2answers
23k views

Oil in coolant - how much trouble am I in?

I have oil in my coolant reservoir. Could it just be the head gasket or is it almost certainly the entire engine or might it be something else entirely? Thanks in advance...
2
votes
1answer
52 views

first “non-replaceable” parts to break

I'm currently modifying my '08 Subaru WRX with everything from suspension(Sways/Strut/Springs...) to Engine(Turbo/TMIC/Injectors...) and much much more...However I would like to get ahead of the game ...
1
vote
0answers
47 views

Engine stalling out, chirping sound, 2003 ford taurus SE

Over the last week I've had a chirping sound coming from somewhere near my engine bay. It has been very inconsistent (At first would increase when accelerating, then increase when coming to stop, then ...
6
votes
3answers
51k views

Car temperature displaying below Cold or just above Cold always?

I've noticed on my 94 Integra (bought used about 2 weeks ago) that the thermostat is often below cold, sometimes above cold but never up to the center mark. Today I was boiling inside my car as it ...
5
votes
1answer
488 views

How does ambient temperature affect engine efficiency and fuel consumption?

I remember from my physics class that the ideal-gas Carnot engine is more efficient if the temperature difference between the heat source and the thermostat ("heat recipient") is larger ...
1
vote
0answers
35 views

Have to shake the car to get it started

Renault Megane 1.6 2008 model. I just changed spark plugs and fuel filter thinking that was the issue, but it carries on. The problem is when the car is stagnant and off and when I try starting the ...
1
vote
0answers
36 views

Cold Start Problem Chrysler LHS 2001

Last night was the coldest night we had for awhile and this morning when I started my car it initially started up and every thing seemed normal. I put it in reverse, backed out, and then when I put it ...
0
votes
1answer
325 views

Honda City 2009 : It would not start Start

My honda city 2009 AT would not start. The gauges would light up. The power windows,radio and AC worked. I was able to turn the key but when I try to start it, it will just give a sound like it is ...
2
votes
3answers
2k views

Possible causes of this Honda Civic K20 engine whine/hiss?

I own a 2008 Euro Civic Type-R which has almost the same engine as the US Civic Si (K20Z3 vs K20Z4). Since a bit of time I have a really annoying high pitched noise coming from the engine. It's ...
2
votes
1answer
31 views

What uncommon tools are needed for a GMC Savanna 2500 engine replacement?

I have done simple repairs, such as the water pump, alternator, etc on vehicles. Having gone beyond simple maintenance (oil, brakes, spark plugs, etc) I have a collection of very common mechanics ...
1
vote
0answers
51 views

what engine oil does a 1992 subaru liberty auto stationwagon need? Answers in “w” units please

what engine oil does a 1992 subaru liberty auto stationwagon need? Answers in "w" units please i need to add oil and I cannot find a good reference as to what to use - the oil at the garages are 20 ...
1
vote
0answers
12 views

Slow Accleration And Moving [closed]

So my car isn't accelerating as it should be the rpms go high but the acceleration is slow and I have a check engine for bank2* catalytic converter could that be the problem.
1
vote
0answers
89 views

Is 115HP engine enough to drive on steep hills?

I am comparing the VW Jetta S with SE. The S has a 2L engine with 115HP whereas the SE has a HP of 170 (Ref.). I live in seattle area which has steep hills. I would like to know if 115HP would be ...
2
votes
0answers
247 views

Car won't start problem

I have a problem with my car it won’t start. Just a little background on my car, I have a 2008 Nissan Versa and I have a cold air intake installed in my car with a hydro shield covering the air filter ...
2
votes
0answers
65 views

Engine randomly turns off on Mazda Capella 2000

Recently I have been having some issues with my Mazda Capella 2000 occasionally just switching off while I am at low revs. It doesn't often happen but when it does it seems to happen multiple times in ...
3
votes
1answer
189 views

Bottom piece of spark plug broke off in motorcycle engine

I was riding my 2005 RM125 dirt bike the other day when it bogged down all of a sudden. I noticed the spark plug had backed out of the head, thus causing the stall. I pulled the spark plug all the way ...
6
votes
2answers
2k views

What is this loud semi-regular clicking on a 2001 Honda CR-V?

Due to the nature of my problem I've had little success on Google. I appreciate any help. I have a 2001 Honda CR-V EX with 130000 miles on it and I'm the original owner. The week prior to my ...
3
votes
1answer
48 views

Can you make a tapped hole deeper?

I tapped a hole in my motor (to hold the valve cover) but I don't think the pre-existing hole was deep enough. Can you make a tapped hole deeper? As the drill bit for the pilot hole should fit right ...
0
votes
0answers
47 views

How to assemble a piston ring for cars

I am having trouble to assemble a piston ring for my car. Can anyone help me to teach on how to assemble a piston ring of a car. I would be glad if there is someone to help me on this.
6
votes
1answer
81 views

How are fuel injectors controlled?

I took the fuel injectors off of a wrecked Volvo 850 GLT 1996. I was testing them to see if they still worked by simply supplying voltage to them, and they do. I noticed that when I increase or ...
2
votes
0answers
130 views

Strange surging and like it's going to stall, hesitant whilst idling

I have been having an issue with my Peugeot 207 (2008 model) 1.6L VTI petrol engine. The cam cover was replaced by the garage but hasn't fixed the problem. I have lost faith in them. I managed to ...
1
vote
1answer
210 views

Hyundai Accent 2006 Hard Start Problems When Cold

I am the owner of Hyundai Accent with a diesel engine. After very cold nights, the mornings are a nightmare. The engine starts fine but a light for check up is on most of time on board, and after gear ...
3
votes
3answers
761 views

Toyota camry 2003 , 2azfe - 2.4 L , vibrates at idling & does not accelerate properly

Recently I sent my Camry to the workshop as there was a blown water outlet pipe, and was told that the head gasket was damaged too. These were then replaced, and I took delivery of my car. But my ...
6
votes
3answers
3k views

What disadvantages a car with 4-speed transmission have compared to 5, 6 or 7 speed with similar engine?

This seemed to be most relevant site to ask my question. I am planning to purchase a new car and my shortlisted car has 4 speed automatic and 1.6 litre engine. The thing that worries me is that it ...
3
votes
1answer
163 views

Loose crankshaft bolt. Cause?

I usually service my Mitsubishi L200 Sportero 4x4 5FWD Diesel at Mechanic A, but I had not for several months. Needing a service, I tried another mechanic, Mechanic B, who did the usual 'tune-up'. Two ...
2
votes
2answers
567 views

Peugeot 207 “Cam Cover” Letting in Air

I'm getting codes P2196 (A/F sensor stuck rich) and P2270 (O2 sensor stuck lean) and symptoms of hesitancy whilst idling (original question). Took it into the garage and they've identified that the ...
6
votes
4answers
45k views

Sputtering while driving & idling

[My car: 2004 Mazda 3] So, my wife came home from running some errands and told me the check-engine light was on and that the car was sputtering and felt like it was going to stall while stopped at ...
-1
votes
2answers
95 views

Engine Transmission

I've been having a problem recently, as I push the gas pedal my car moves super slow. It won't go faster then 10 to 15 mphs. As I drive it feels like the gears are not catching
11
votes
4answers
39k views

What would be the most likely cause of engine sputter?

Most of the time my 2001 Honda Civic sounds like this... Vrooooooom. But some times when I start driving it sounds like this... Vrooom putt pa putt pa putt pa vrooooom. When it's in the "putt pa ...
2
votes
2answers
62 views

What is meant by Engine Life Factor(ELF). Should I consider it while buying a vehicle? If so why is it not widely quoted?

The term Engine life factor going by the name suggests that higher the value more is the life of the engine. If so why doesn't companies specify this as a part of their standard specifications?
11
votes
9answers
10k 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 ...
4
votes
3answers
630 views

BMW e36 320i motor looses power significantly out of a sudden

I have a 1992 BMW e36 320i, when i start in the morning, or in cold weather, the cars functions normally and has a lot of power. However, after a little, or when the weather is hot, the car ...
1
vote
2answers
153 views

Motorcycle stalls shortly after starting

I have a BMW 2008 F 800 st and the oil looks watery. It stops pretty frequently after riding it around the block. When it stalls, after some hesitation, it will start again. I need an unbiased answer ...
1
vote
1answer
88 views

''Tire air leaking sound'' [on hold]

I have yamaha SZR bike. It is making weird sound lately. It is making ''tyre air leak sound'' but it is not certainly from the tire. It makes sound after 20-30 minutes interval. Im far from service ...
3
votes
2answers
630 views

What will happen if there is something else also with petrol in car

Today someone broke my car fuel outer case and taken out fuel. I came home by driving but then i have now one doubt in my mind. What if he put something else in tank like water, sand, etc in there. ...
2
votes
2answers
678 views

Mazda 323: Plugged in Coolant Temp Sensor - Now Car won't Start

I recently bought a Manual 97 Mazda Lantis 323 1.8L DOHC 16 Valve BP. I found the following wire unplugged on the drivers side of the engine, next to the water intake from the radiator: It plugs ...
1
vote
2answers
693 views

What are the reasons to mix oil & coolant?

Frontal impact vehicle is there fan motor touches the oil cooler,oil cooler slight impact is there, in coolant tank oil and coolant mixed, what are the reasons to mix the coolant and oil in this ...
1
vote
1answer
68 views

What percentage of ethanol can my ford take?

What is the highest percentage of ethanol my car can take? I have a ford escape 2007. I have been putting in either 10% or 20%. Thank you
6
votes
4answers
4k views

Engine oil change and getting rid of old oil completely

After running the vehicle for a certain distance usually we will change the engine oil. This will not only give engine new life with the brand new oil but will also get sludge and other sediments out ...
1
vote
1answer
775 views

Cold engine works on three out of four cylinders

When my Honda CBR900’s engine is cold, it works only on three cylinders. When the engine begins to warm, all goes fine and all the cylinders begin to work. What can cause this?
1
vote
3answers
55 views

2001 Honda Civic timing belt assembly repair question

I have a 2001 Honda Civic. I bought it almost 2 years ago at just over 100,000 miles. It now has almost 116,000 miles and when I took it into my mechanic for a failed sensor replacement he told me ...
2
votes
3answers
208 views

Hyper-miling and stress on engine oil

The other time I asked my mechanic, are my tyres about needing to be changed? He said, naw, another 8000 miles. After driving 7000 miles, I asked another mechanic who again said, long way to go. ...
4
votes
1answer
4k views

Car starts fine after sitting for half a day but has trouble immediately after being driven

I have a ten-year-old car that I don't use too often (it mostly sits in the garage). Last month, I took it for a ride and the engine overheated. I took it to the service station, and the guys there ...
1
vote
2answers
110 views

Oil in coolant, Pontiac Grand Am 99

I have a 99 Pontiac Grand Am which has done 160,000 km. Recently, I found oil in my coolant. Will this damage my car? What could be the reason behind this?
2
votes
0answers
290 views

Mercedes C250- Eco mode not working

i have a C250, W204, 2011 model, and i noticed that the ECO mode is not working anymore. When i turn the car on, the ECO button light is green and the ECO sign appears in the cluster. After 1-2 min, ...
1
vote
1answer
52 views

Issue w/ weedeater engine - doesn't stay on

So, here's the problem. I'll prime my weedeater, put full choke on, pull the cord a few times. Now, BEFORE, the engine never started with full choke. I would need to move it to half choke, pull the ...
6
votes
2answers
5k views

WHY does an engine stall? (manual transmission)

Before you write off my question as one that's been answered a million times already, I want to clarify. I understand that the engine needs to go a certain rpm and when you try to engage the clutch ...