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Questions tagged [engine]

Questions about vehicle engines. Most engines in road-going vehicles are 4-stroke internal-combustion gasoline or diesel engines.

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Chicken vs Egg Symptoms from Daughter's 2005 Suburban 5.3 FlexFuel

Please help me figure out if low RPMs on my daughter's 2005 Suburban 5.3 FlexFuel is the cause or a just symptom of problems with oil and fuel pressure. The problem only happens when the engine is ...
AlexPace's user avatar
0 votes
0 answers
14 views

‘09 Honda Accord Not Starting after going into limp mode

Good afternoon! I have a 2009 Honda Accord EXL 3.5L V6. Earlier today while driving it down the highway, it sputtered and went into limp mode so I pulled over and turned it off. It threw no engine ...
PAL's user avatar
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0 votes
1 answer
53 views

Is it possible to run a car without a carburetor?

Is it possible to run my car without a carburetor, or will doing so cause damage and prevent it from running? Does it damage or wear anything? what actually happen to the car.
Helix Nebula's user avatar
1 vote
1 answer
27 views

Resleeving a small engine?

Can you guys please help me settle a debate with a mechanic friend of mine? He claims that it is possible to keep a small Honda or similar engine running literally for tens of thousands of hours by ...
Justify 's user avatar
0 votes
0 answers
37 views

What's the difference between a regular petrol engine and a turbocharged engine in terms of power and efficiency? [closed]

I just wanted to know how normal petrol engine and turbocharged engine operates, focusing on the intake process and combustion dynamics. Consider factors such as air intake, fuel delivery, and exhaust ...
Helix Nebula's user avatar
0 votes
1 answer
12 views

I have a P0456 very small evaporator emission leak

I do not know which area has a small leak yet, but I can tell my car is feeling the effects because when I drive, it takes a few seconds to accelerate, I am worried. Will I be okay driving it until I ...
Rachel Juliano's user avatar
-1 votes
1 answer
76 views

What control the RPM of an engine?

can you tell me what controls the rpm of an engine? Is it more fuel, more rpm (if so plz explain this to me) or is it controlled by a computer?
Tintin's user avatar
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0 votes
0 answers
27 views

How does an engine work? [duplicate]

This might be a stupid question, and it's not so much about how the engine works - it's moreso a question about, why does the engine stall? Everyone and their dog knows what an engine stall is and ...
Marley's user avatar
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1 vote
1 answer
54 views

Car ran for 2 miles with an oil tank leak, is the engine done?

I ran over a metal cube like shape and made some nasty holes in my oil pan, soon as it happend oil fell in the mufflers and caused a gas like smell according to a mechanic. I ran the car for about 2 ...
indre4ms's user avatar
2 votes
1 answer
235 views

Can a trained mechanic tell the difference between a rod knock or a timing chain rattling?

Can a trained mechanic can tell difference between a rod knock or a timing chain rattling?
Felicia Bethea's user avatar
0 votes
2 answers
73 views

How do I get porcelain out of cylinders

I was changing my spark plugs on my Cadillac CTs and the porcelain on the spark plug broke into pieces and a piece half the size of a Churrio fell inside my cylinder and when I look inside the ...
Diego's user avatar
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1 vote
0 answers
33 views

96 Toyota Previa starts with no wires connected to the distributor

I changed my distributor and rotor the wires werent on yet and my kid turned the key and the van started right up how is this possible?
Nick Curtin's user avatar
0 votes
1 answer
38 views

Filling tank "Heavy duty Coolant" or "Coolant Mixture with Water"

A newbie into car world here. I have a 2016 Hyundai i20 1.4L Diesel. I have found various opinions regarding the coolant/antifreeze liquid that we use in the vehicle. Some believe 1:4 mixture of ...
Fayaz's user avatar
  • 103
0 votes
0 answers
35 views

2006 Opel Vectra 2.2 direct (Z22YH) CEL and DTC P0420

Check engine light comes on in my 2006 Opel (Vauxhall, Holden, Chevy) Vectra 2.2 direct (Z22YH) with 220,000 km (140,000 mi) on it. Car Scanner Pro app reads DTC P0420 from the ECU: P0420 [0x0420] ...
devopsix's user avatar
  • 141
0 votes
0 answers
45 views

Fantic Caballero 500 Scrambler Loses Power

I have a Fantic caballero 500 scrambler (single cylinder), little over 2,000kms, so relatively new. The bike loses power (as if there is no fuel being pumped to the system), around 4,000 rpm, and will ...
Mert Aktalay's user avatar
1 vote
1 answer
112 views

Small quantity of brake fluid got into engine oil, is this problematic?

My buddy was changing his oil yesterday and overfilled it when pouring in new oil. So he loosened the drain plug to let some out, no big deal. Problem is, he let just a bit too much out, and later ...
Elcucuy's user avatar
  • 85
0 votes
1 answer
32 views

Determine Chrysler 3L engine model

I am about to acquire an engine from a seller and I am having issues identifying what sort of engine it is exactly because I am getting conflicting information. On the top engine cover it says "...
Yanick Salzmann's user avatar
0 votes
0 answers
47 views

While driving, when I release the gas, it stays at 1500 rpm

When I give gas while my car(Audi A4 2.0TDİ 2011) is stationary, there is no problem, the revs immediately drop to 1000. However, when I take my foot off the gas while driving, the rev counter stays ...
Berke Küçük's user avatar
0 votes
0 answers
53 views

Ford EcoBoost 1,6, loss of fuel performance

Ford EcoBoost 1,6, 150 hp engine from 2013, mounted in a Ford Grand C-max. Engine failed as a result of a failing ignition coil. Both the ignition coil and spark plug were changed for the specific ...
DFord's user avatar
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0 votes
0 answers
17 views

2011 Dodge avenger

Have a 2011 dodge avenger that has a lifter issue. We repaired that issue we thought so changed oil and filter then took it down the road. Went to get on the highway and as we were accelerating to ...
Aaron Taylor's user avatar
1 vote
0 answers
20 views

WV Polo 2011 petrol 1.2 engine chugging and loses power - engine, EPC, Tyre pressure light on

First time posting on a forum like this, and english is not my first language, so please be patient. I know almost nothing about cars, I would ask people that I know do they think about certain things,...
Nikolay Karachev's user avatar
0 votes
1 answer
89 views

First Oil Change - I messed up!

Okay, so I did my first ever oil change on my own this week and had a scary experience. I drained and then added the oil as I should and when I checked it after bringing the engine in operating temp, ...
pr-gr's user avatar
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0 votes
0 answers
16 views

Oil pressure dropped wont start

95 Buick Lesabre- 70’s miles. Hasnt been driving as clean for last couple weeks and few days ago it was overheating and pulled over and added water. Cooled down then about 15 minutes later I noticed ...
Kyle Fung's user avatar
0 votes
1 answer
38 views

4 Stroke Lawn mower Engine will not fire

I am looking for suggestions of what to try next. Problem I have small ride on lawn mower with a 4 stroke Briggs and Stratton engine. It will not start and doesn't seem to fire. What I have tried ...
Tommy's user avatar
  • 103
0 votes
0 answers
22 views

What is this tapping noise coming from my engine?

I have a 2010 Hyundai Accent that recently developed a loud tapping noise in the engine area. Here's a link with two videos so you can hear the noise: https://photos.app.goo.gl/bCqbm4RdGVdeF63W8 I don'...
Phil Anderson's user avatar
0 votes
0 answers
31 views

Changing Motorcycle piston rings

I’m partially disassembling my engine (1984 Honda Nighthawk) to change the piston rings. Engine was failing to turn over and failing compression checks, inserting a little oil in the spark plug holes ...
Griffin Hines's user avatar
1 vote
0 answers
19 views

KXD 706 dirt bike

My bike doesn’t have a battery & its jump started, it usually made a sound trying to turn on, got told to replace spark plug even with the noise. I left the bike for about 3/4 months… I’ve changed ...
Brooke's user avatar
  • 11
2 votes
1 answer
51 views

Overfilled the engine oil. Drained everything. Is it ok to refill?

Like an idiot, I drained the transmission fluid and not the oil. I then over filled the oil by about 4 quarts. Luckily, I caught this and did not start the engine. I then drained all the oil that was ...
1884RAGE's user avatar
1 vote
0 answers
88 views

2016 Mini Cooper revs up to 2000rpm before dropping back down, why?

I have recently purchased a 2016 Mini Cooper with approximately 70,000 mileage. It has since developed some issues in the time since purchasing. When driving in eco mode the mini engine should shutoff ...
David SC's user avatar
0 votes
1 answer
90 views

How do car makers stop the engine from entering the passenger capsule upon impact?

One particular car brand has been for years touting its safety credentials by pointing out that in a sufficiently severe front collision the engine will drop to avoid entering the passenger capsule (...
Sam7919's user avatar
  • 471
1 vote
1 answer
54 views

How does the crankcase ventilation system work on a 2002 Proton Perdana?

I have a 2002 turbo charged Proton Perdana. If left to idle in drive for an extended period of time it will blow large quantities of blue smoke out the exhaust pipe. If you drop it into neutral when ...
Jonno's user avatar
  • 11
0 votes
2 answers
80 views

Loud ticking engine noise

I own a 2005 ford fiesta st150, and I'm currently facing an issue where my engine makes a repetitive ticking noise over 2000 RPM. The noise is a very periodic ticking that seems to follow engine speed,...
Alex's user avatar
  • 141
0 votes
1 answer
61 views

Should I rebuild or replace?

The car is a 2001 VW Golf MK4 with a 1.4 gasoline engine and a 5 speed manual transmission. It uses a lot of oil and the engine knocks and pings. It recently has started leaking water from the right ...
Larry Patrick's user avatar
0 votes
1 answer
466 views

Maximum valve clearances. How big is too big?

I have a 1700 Leyland "O series" engine which has what I believe to be a direct overhead cam (OHC). The lobes on the overhead cam push directly down on buckets with shims. I have just ...
Michael Sherpa's user avatar
1 vote
1 answer
28 views

Engine misfire, low gas mileage, click when gear change

I got a tune up, radiator and radiator hose, serpentine belt, starter and wheel bearing fixed. The misfiring, bad mileage and clicking noise didn’t start until after the tune up. What could be wrong? ...
Mrs. Nunez's user avatar
1 vote
3 answers
171 views

2013/Toyota/Corolla S: Check Engine (with codes), Rough Idle, Inconsistent temp. What am I missing?

As title states: 2013 Toyota Corolla S Had the check engine light come on just around a month ago and started idling rough. Pulled codes: P0301 (cylinder 1 has a misfire) and P219A (air to fuel ratio ...
dcp3450's user avatar
  • 111
0 votes
0 answers
21 views

Nissan Almera 2006 Engine Oil Overfilled [duplicate]

Was doing an oil change 2 days ago, have done it numerous times before, for whatever reason, I've overfilled it this time. If I was to put a measurement on it, it's over by about 2-4mm on the max line,...
Dave1UK's user avatar
  • 453
1 vote
0 answers
64 views

Will alien component found in new engine tear down effect valve behaviour?

OMG, I might have found the cause of a misfire in cylinder 1 that has been the bain of my life on and off for 3 years. I have a 1979 sherpa van with an austin/leyland "o" series engine. The ...
Michael Sherpa's user avatar
0 votes
0 answers
96 views

How hard would it be to swap a BMW B58 engine into a Supra mk3 A70?

I am still at feasibility study stage. The thinking behind is, since 1JZ & 2JZ swap for A70, A80, A90 Supra are all relatively matured, and A90 Supra is natively using a B58 engine, how hard would ...
Addin Cui's user avatar
1 vote
0 answers
114 views

Toyota Auris 1329 Petrol 2011 No Start

A friend has a Toyota Auris, he messaged me that it won't start and if I can come help jump start it. He drove it few days prior no issues and yesterday it just wouldn't fire up. Got there, used a ...
Dave1UK's user avatar
  • 453
0 votes
0 answers
52 views

Garage conducts work without my consent

So my car was sent to a car garage to have a recon engine and turbo diagnosed for our warranty. The examiner went to access and my claim has been cancelled and warranty void as the garage have already ...
Donna 's user avatar
1 vote
0 answers
26 views

Please help. Dashboard lights on after changing starter

I have a BMW 535i 2008. It won’t start so after diagnosing it I changed the starter but now after changing the starter all dashboards lights are on such as engine malfunctioning, transmission ...
Armeet Sawhney's user avatar
0 votes
2 answers
117 views

Can i drive my 2016 Jeep Grand Cherokee 100 miles to a mechanic with a misfiring cylinder?

My 2016 Jeep Grand Cherokee started hesitating when accelerating, but only after the engine warms up. The testing tool says it's a cylinder 2 misfire. The mechanic I want to take it to is 100 miles ...
Emily Counard's user avatar
0 votes
0 answers
21 views

95 Integra idle cutout troubleshooting

Starting was difficult and a failure finally forced a battery replacement, which remedied the difficult starts. Before the battery was replaced, the engine was jump started and idled for 15 min with ...
gatorback's user avatar
  • 1,267
0 votes
0 answers
25 views

Can you use the same long life premium oil filter for 2 or 3 times?

I have a 03 Mazda b3000 and bought a mobile 1 oil filter with a advertised life of 15k - 20k mi. I figured that this filter being made of better materials, would keep my engine more protected and also ...
LVX-001's user avatar
  • 39
2 votes
3 answers
106 views

Can you use engine oil past it's monthly change cycle?

Can engine oil be used past it's monthly cycle? If the manufacturer specified the oil/oil filter change interval to be every 5k mi or every 4 months, but it took someone one 1 year 2 months to run the ...
LVX-001's user avatar
  • 39
0 votes
0 answers
33 views

Engine swapped my KIA but dont get a spark

I engine swapped my KIA optima 2.4L N/A with the 2.0L turbo variant, however when I use the original 2.4L N/A ECU I get spark from the plugs but when I swap the ECU to the 2.0L turbo variant I get no ...
Darius Nicoli's user avatar
0 votes
0 answers
23 views

Honda engine swap

I'm working on a 2002 Honda accord 3.0 and done an engine swap. I replaced the 3.0 with a 2005 Honda odyssey 3.5. Now the car will not go over 3000 rpms, what could cause this issue?
Sonia Woods's user avatar
1 vote
1 answer
69 views

Vehicle misfuel

I used a 2015 Peugeot Boxer Luton van ( 154K mileage ). It had a full tank of diesel to start and I travelled 300 miles , used roughly half a tank ,and then it broke down , there is a suggestion it ...
Corin 's user avatar
  • 13
0 votes
0 answers
188 views

Long crank time when engine is warm/after car has been driven

My car has about 155,000 miles and it's a Toyota Avalon 2008 V6. A few months ago, my battery died and I got it replaced at AutoZone (by someone who, I found out, wasn't qualified). My car sounded ...
Narges's user avatar
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