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Questions tagged [engine]

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

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1answer
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Is the Nissan V-6, 3L , of 2003 , an interference engine?

A friend has Frontier with this engine and a mechanic told her the timing belt broke ( 160,000 miles). He just said it would be expensive to fix. To try to get a more detailed idea of how expensive , ...
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1answer
7 views

Is the crankshaft connected directly to the wheels?

If my understanding is correct, a car (in simple terms) has; The crankshaft, then; The clutch and gearbox, then; The propshaft, then; The differential, then; The driveshafts and the wheels. ...
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2answers
470 views

Vehicle Stalls at lights and going up hills

After driving a few miles, 2002 Ford Explorer will start sputtering after stopping at a light. Also, does the same thing when going up hills.
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0answers
28 views

P0340 code, even after camshaft sensor replacement [Solved]

I drive a 2004 Honda Civic ex coupe manual with ABS, engine code D17A2 (SOHC, Vtec) I was driving my car and slowly revved up to 7krpm (smart, I realize) and suddenly my car lost power until 3500rpm ...
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1answer
45 views

Losing two cylinders after 10 minutes

I have a 1999 Subaru Legacy Outback with a 2.5L motor. Mileage on the car is about 150k, but the engine has another 40k on it or so (the old one threw a rod). I can drive the car for almost exactly ...
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61 views

Is it true that you can flood a carbureted engine or mess up the engine if its fuel injected if you turn off a vehicle then rev the engine?

I was told that this was possible. Basically this guy said a kid was revving his motorcycle after he turned it off and said it would harm the engine
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2answers
364 views

Knocking valve sound after gasket replacement

I changed the intake gaskets top and bottom along with valve cover gaskets on my Ford F-150. After I finished it was hard getting started but I finally got it started and now it sounds like the valves ...
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3answers
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Metal crashing/friction sound while starting RE 350 classic

I have bought my Royal Enfield 350 Classic bike 3 month back. Frequently I am hearing heavy metal crashing/friction sound when I start the bike. Sound is bit annoying. I am not even able to explain ...
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7answers
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Why use a 12-cylinder engine over a 8-cylinder engine

When I look at Lamborghini Veneno and compare it for example to the Ferrari 458 Italia I can see that Lamborghini used a V12 while Ferrari placed a V8 inside the 458 Italia. I wonder why Lamborghini ...
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2answers
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Issue with car rev'ing and brake!

I have 04 VW Polo, it's a bit a complicated for me to explain as I have limited knowledge of car terminology, and this issue happens frequently but not constantly. So, issue number 1 is while I may ...
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7answers
2k views

Help with spark plug stuck upside down in well

I am installing new spark plugs in my 2013 Chevy Cruze and I dropped a spark plug in the well upside down. I tried to get it out with 8" needle noose pliers but it will not budge. Any help would be ...
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2answers
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B18A1 Acura Integra Motor

I have a B18A1 motor. Is it possible for me to use the oem crankshaft for a turbo build? I also am wondering if anyone would be able to give me insight about using aftermarket pistons with the stock ...
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0answers
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2001 Lincoln continental engine whirring and shaking whole car

I’m not sure what the problem is. I have a 2001 Lincoln continental and the engine seems to be whirring and shakes the whole car in reverse/drive/park/neutral. It has no engine lights, no codes, ...
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1answer
2k views

Lifter tick—safe to ignore short-term? What to do about it?

I have a 2002 Toyota Camry V6 (1MZ-FE) with about 129,000 miles on it. Recently, I noticed a ticking that seems to be loudest at the end of the front valve cover, on the opposite side of the timing ...
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0answers
16 views

1966 ford 3400 tractor 3cyl deisel

I have a 1966 ford tractor witch needs a seal kit, can I start the motor sum how to make it will run for a second or two . I do not know if it runs. the injection pump needs to be reseal
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Drove my car at gear one forced it to go over 40mph

Drove the car and accidentally put it one gear one instead of Drive without looking... forced it to reach 60mph yes there was loud noise and when I realized what I had done wrong the car failed and ...
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2answers
2k views

Engine, sudden reduced power with soft shaking

I have a 2007 Holden with a 2.0 Turbo engine. On one day I decided to go through a light that had just turned orange- so I pressed down, not completely as I new how much power I needed to go through ...
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1answer
29 views

How to flush a cooling system after head gasket failure?

I recently replaced the head gasket in my Renault K9K (700) 1.5 DCi, due to a cylinder/cooling system type failure. As such, the cooling system is full of partially burned diesel. Despite having ...
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0answers
23 views

Car is running louder and slower than usual

I drove at an expressway which requires 60 - 100 kph, after about 20mins of driving, my car started to run louder than usual and 10mins later it's running slower even for a 5th gear. Please help. My ...
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1answer
11 views

2009 Chevy Trailblazer clunking

2009 Chevy Trailblazer 4.2L L6 is clunking at 2000 rpm. The noise gets softer not louder at 30mph when I press the gas. Oil pressure stays steady at mid-range. I changed the oil and filter. Hoping its ...
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1answer
11 views

Mazda question re timing chain

How often does a timing chain on a Mazda 3 2013 model need to be changed. At what kms? Thank you in advance 🙏🏻
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2answers
29 views

Car overheats within 1 mile of driving no traffic

1996 Dodge Caravan 3.0 top radiator hose hot and hard bottom hose cold and soft. Did not lose coolant. Temp gauge pegged hot.
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1answer
26 views

Suitable grade oil

i am going to do a service on my work car(vw caddy 1.9 sdi 1999). My question is... What engine oil grade should i use 10w40 or 15 w40. In my country during the summer the temperature goes up to 30 ...
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1answer
37 views

Coolant additive in engine oil

In a moment of stupidity I poured a bit of engine coolant additive in the engine oil thinking it was engine oil bottle without reading the label (stupid me) I have a very Touareg. What are the ...
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9answers
37k views

What happens if I change the oil when the engine is cold?

I have always changed the oil in my vehicles with the engine hot, because the manuals always say to let the engine reach normal operating temperature first. Oil change instructions all over the ...
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1answer
19 views

i have a ticking/clicking as i accelerate and there seems to be loss of torque as if the clutch is slipping

I was driving home and noticed a tapping noise as I accelerate and came with a loss of torque as if the clutch was slipping?
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0answers
23 views

Cleaning cylinder head

What is the best way to clean a cylinder head (F23A1)? My timing belt snapped and so I got worried since its an interference engine. So I removed the cylinder block, to check for head damage as ...
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3answers
11k views

Cause of limp mode in Vauxhall Astra which ECU code is relevant?

The engine now runs ok when started cold, but if the weather is very hot or it's started when warm it goes into limp mode, whereby the orange spanner symbol comes on and max acceleration is only 1/3 ...
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1answer
39 views

Engine stuttering/dying and loss of accelerator

I had recently bought a 1998 Gen 3 Subaru legacy (BH5) with 190k Kms/ 118k Miles on it, for the first month it ran perfect with zero issues. Suddenly one day I started up the car as I was reversing ...
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3answers
336 views

There seems to be a hole in my engine

I drive an '07 Ford Crown Victoria Police Interceptor with 146788 miles on the engine. I was looking under my hood today to swap my air filter when I noticed a hole right on the front of the engine ...
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2answers
66 views

Brake fluid poured in the engine by mistake

What must I do to my car after i have realised I have filled in brake fluid in the engine?
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0answers
9 views

2008 Toyota Tundra has a rough time starting infrequently

Over the past few years my 2008 Tundra (~140K miles) has had difficulties starting, but very infrequently. Once maybe every 6 months or so, when I start my truck, as soon as I shift into drive it dies....
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1answer
112 views

Rod knocking, out of oil, or both?

So, I had noticed what sounded like rod knocking in my 2004 Nissan 350z with 140k miles. IT got progressively worse, and I went to look around. I ended up finding all of my oil gone, seemingly due to ...
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3answers
320k views

What does a water like drop coming out of the exhaust of the car signify?

Sometimes while driving in the traffic, I come across a car or two which would be dripping water-like drop from it's exhaust steadily in a break of 4-5 seconds. I tried to ask a couple of people at ...
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2answers
32 views

I have a 2000 GMC Sierra 5.3L that won't start/run as of today

My truck has died on me 3 times today. When I put it in park and turn it off the doors don't unlock themselves. Then when I tried to start it up again nothing! No sounds, no lights. Then when I do get ...
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1answer
80 views

error code p0335 [crankshaft position sensor] 2000 nissan maxima

2000 maxima with 100k miles.pending error code p0335 which is crankshaft position sensor. engine light is not on. it has 2 sensors i changed both of them but nothing changed. Symptoms are;sounds like ...
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1answer
6k views

2000 VW Golf TDi (Mk. 4) grey smoke from exhaust before engine has warmed up

I have had my Golf for 8 years. It’s had good maintenance and a the record is kept by my dad. It’s just passed its MOT (Ministry of Transportation) test, and the mechanic mentioned that the tappets ...
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5answers
7k views

Cadillac CTS 2007 3.6 oil consumption

3 months ago I bought Cadillac CTS 2007 3.6 with 31k miles, next day I went to local garage and changed the oil, filters, etc. I have driven 7k miles since and when driving last week car started ...
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1answer
21 views

BMW S1000RR 2018 MY

Recently got the bike serviced. Its done 5500 KMS. But soon after the 2nd service , I started experiencing engine hesitation issues , especially around 4 to 6000 rpm , regardless of gear. The engine ...
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4answers
183k views

What actually happens when there is not enough coolant in a car engine?

I know that a lack of engine oil can destroy an engine, so I was curious as to whether it is just as bad to drive a car with a very low engine coolant. What is engine coolant? What exactly are all ...
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1answer
14k views

What is Opel/Vauxhall's TwinPort Technology?

Some Opel Engines come with something called TwinPort Technology. I guess that this increases power, as the original Z12XE (1.2) engine has 55kW, and the TwinPort (Z12XEP) version engine has 59kW of ...
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2answers
418 views

Replacement PCV valve unavailable. Will any other do?

1979 Leyland Sherpa 230 petrol 1.7l with "O series" engine I have an "oil separator" (or oil catch can) attached to the side of my engine. From there it goes through a hose to the ported vacuum by ...
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2answers
173 views

Motor shake and loud when accelerating

first post here. My car , Chevy Malibu 2005 LS 3.5L V6, recently started to be much more loud when accelerating. It shake a lot too. But only when accelerating and especially at 1000RPM. When don't ...
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8answers
7k views

Why is engine displacement frequently a few CCs below an exact number?

I've noticed that engines are rarely exactly 1.5 liters or exactly 4.0 liters, and I'm okay with that. It makes sense that engines would have some arbitrarily ideal size for specific applications, so ...
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2answers
45 views

What is the best TurboCharger Down Pipe Length for a turbodiesel engine? [closed]

What is the best length for Turbocharger Dump Pipe. I have a Force Gurkha with a 2.6 litre diesel engine. I removed the second CAT Converter and Muffler from the exhaust. So now it has a CAT and then ...
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1answer
470 views

Bike stops Suddenly after 2 to 3 Km

I have a Royal Enfield 350 Classic,15000km and 4 years old. These days I am facing a problem ,it stops after a few kms. I was on highway and it stopped so I visited a mechanic he said there is water ...
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2answers
47 views

What things cannot be tested(except by elimination) when trying to diagnose a sluggish engine?

As far as I'm aware there are certain things that cannot really be diagnosed if you have a sluggish engine and so you can only find them by elimination. As an example if you test a car due to ...
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0answers
21 views

Hi, I have a toyota corolla 2005 automatic

Hit a large pothole, and camchain; valves; spark plugs; oil filter; fuel relay and coilpacks have been changed. Timing is set but she still doesn't want to idle or pick up revs?
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1answer
235 views

Speed sensor location on 03 jetta 2.0 engine

So i was driving yesterday n the car shut off. I lost acceleration first then the car shut off leaving all my lights on. I pulled over turned it off then tried to turn it back on n i got nothing. No ...
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1answer
26 views

Long start then Check Engine Light On

I have a 2009 Honda Accord with about 150k miles on it. Over the last couple weeks I noticed the crank time getting slightly longer then today it took a really long time before turning over and now ...