Questions tagged [engine]

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

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16 views

Vauxhall Astra intermittent engine problem

I have a 2015 Vauxhall Astra (petrol) with a strange intermittent problem, hoping someone might have experienced something similar. The car lost power and stalled after driving perfectly normally. It ...
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Is it possible to change 1.6 akl to 1.8 non t with same loom and ecu mk4

Hello can I to straight swap from 1.6 all to agn non t 1.8 with the same loom and ecu
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Is it bad to rev a diesel truck right after starting it?

There's an Isuzu pickup at my work and the drivers almost always rev it after starting it up, it's really hot here too so it has no issues turning over, compared to colder environments I guess. ...
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IAME KA100 go-kart engine will not 'cough': Can you recommend what to check next?

I recently purchased an IAME KA100 engine and am trying to get it to 'cough' (let alone start), and would like suggestions for what to check next. Here is what I've checked so far: Compression is 125 ...
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60 views

There's no replacement for displacement

I grew up with the saying "There's no replacement for displacement" when referring to engine size, performance, etc. Does that saying still hold true today? It's getting harder and harder to ...
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Chevrolet Matiz doesn't start first time in day

I have a 2008 Chevrolet Matiz car, 3-cylinder 0.8L engine with the following symptoms: Start hard the first start of the day (after 10-12 hours) then start each time from the first, if the interval ...
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Are there mechanical or maintenance resaons responsible for the recent decline in sales of the Hyuandai Elantra? [closed]

According to the sales chart near the bottom of this Wikipedia page, the global sales of the popular Hyundai Elantra have been steadily decreasing since the 2013-2015 time period. Are there mechanical ...
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Mitsubishi mirage Code P1590 A/T torque reduction req. comm

The check engine light on my mitsubishi mirage is on and upon scanning the codes, I am getting the following codes: U0131 EPS CAN timeout U0101 T/M CAN timeout U0121 ABS/ASC CAN timeout P1590 A/T ...
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Is damage caused to an engine by a Spark Plug an “ external influence”? [closed]

My knowledge of engines is poor. How do I continue the fight for a warranty claim? Merc C180 Year Model: 2019 Mileage: 42 000km’s Diagnosis: • Vehicle misfiring usually indicates a fuel / ...
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Blue Smoke coming from exhaust of scooter after a month of engine rebuild

Recently i had an oil change and a month ago had my engine half rebuild.But now,Blue smoke is coming from exhaust.I suspected oil leaking inside engine but due to worn out piston but since its ...
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Subaru Forester - petrol coming out unlit in bursts out exhaust. Ideas on what could cause it?

I've got a Subaru Forester '02 2.5L that I push kind of hard off road on New Zealand beaches. I had a near dead battery recently so bought a new one but on replacing it I must have wiped the ECU ...
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3800 v6 runs rough and then clears up if i shift it manualy and bearly push on pedal

3800 v6 runs rough and then clears up if i shift it manualy and bearly push on pedal it acts like the cyralatic conveter is cloged so I too it apart and tryed to clean it out and it was empty but my ...
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Why my 1985 Cadillac Deville crank but can't start

Last autumn my cady run perfectly. Then I didn't drive it much during the winter (Nov - Apr), maybe only total less than 50 kms. In may it started have difficulty to start, but when I used spray fluid,...
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2014 Ford Mustang 3.7L V6 Bank 2 Lean on startup until engine warms up

I've been having an issue lately that has not always been the case. For reference, my car has an aftermarket air intake (AirRaid) and BBK Long-Tube headers w/ O2 sensor extensions, a catted X-pipe, ...
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Choice of lubricant for model „diesel“ fuel

I bought some old small combustion engine for model cars/boats/airplanes. They are not operated using nitro fuel and flow plugs but simply by the (adjustable) compression of the fuel which is why they ...
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ATF in engine oops

I accidentally put 6 qts of ATF in my diesel engine. Ran for just a few minutes until I realized what I did. Drained all ATF and replaced with engine oil. What else should I do?
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engine replacement wont start

can anyone help please changed engine on a 59 reg focus 1.8tdci could not find a good one anywhere near so ive got an 08 tdci as replacement same engine code kkda noticed while swapping the 08 has a ...
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77 views

Is this behavior normal in a long uphill road at 102 degrees Fahrenheit?

Please read this carefully before posting comments or answers. This is NOT an overheating issue. It is just about cooling system behavior under specific conditions. My car cooling system has two fans ...
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When I try starting my Honda it’s hestitant then it starts

I have a 2004 Honda Accord and when I go too start it, it doesn’t Just start right up like it stutters then starts. I took it too Autozone and had them check battery starter and alternator. They are ...
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1answer
53 views

Broken welded nut inside frame for motor mount

I was trying to replace the passenger side torque mount on my 98 civic and both nuts that are welded inside the frame snapped off. Now the bolts and nuts just spin. I’ve read similar posts from people ...
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Idle speed on Ford KN Laser 1999 Auto switches between 1500 and 900 RPM

Ever since I've had my 99 Ford KN Laser Auto, I've been plagued with idling issues. When I first got it, it was barely idling at about 500 RPM. I've replaced the plugs, TPS and crank sensor after it ...
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54 views

Cat 7 HEUI pump failure incidence rate

Not exactly a car engine, but I am wondering if anyone has seen any statistics or guidance on Cat 7 HEUI pump failures? The pump compresses engine oil which is then delivered to the diesel injectors ...
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1answer
35 views

Peugeot 3008 2014 1.6 turbo - engine fault at 5000rpm

At about 5000 rpm up a hill I get an engine fault message with codes P1336 and P1339. Car gets shaky. Restarting the car and the shakiness is gone. Clearing the codes and car is back to normal, runs ...
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1answer
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Jeep 4.0 inline 6 engine won't turn over by hand, need help

Here is the backstory. Wife had her 2004 Jeep Wrangler running and driving fine and the transmission went out about 2 years ago, it was a 42rle. The Jeep sat at her parents ranch outside with no ...
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2009 Jeep Liberty Engine

My 2009 Jeep Liberty’s engine seized and I’m looking for a new motor. Found two for the same price, however one is for a 2008 liberty and the other is for a 2009 liberty. Is there any differences ...
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94 Toyota Camry. Car has good starter, battery and alternator yet it won't start. The starter just clicks once but won't turn over the engine

I have a 94 Toyota Camry, that used to run well until last week when the negative battery cable snapped from the terminal and caused the vehicle to lose power and ultimately die. I reconnected the ...
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76 views

Why does my car engine run extremely quiet after a few minutes of downhill driving?

I don't want to say my car (Peugeot 406 1.8 16V) is noisy (don't get me wrong) but in normal driving, engine sound can be heard inside the cabin during acceleration. However, when I drive in downhill ...
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Mercedes C180 Kompressor ODB 2 P0170 & P171 errors

Recently been having problems with my 2004 Mercedes C180 Kompressor. It was driving well, sometimes at stoplights, it would rev inconsistently but would only be only a few 100 rev/min. This wasn't a ...
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43 views

ECU after engine swap

I have a 2005 wrx, previous owner engine swapped it to the STI short block (EJ257) so now it’s a 2.5 instead of a 2.0, i’m trying to buy an accessport for it, but i don’t know which one to get because ...
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Toyota RAV4 - 4cyl 2008 - moderately faint clunking noise when going over bumps plus shut off recently while driving but able to turn on right after

This RAV4 makes a faint clunking noise sometimes when driving over bumps - especially seems like the right front wheel and for sure more clunking when driving over bumps with just the right-side tires....
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Engine valve cover replacement due to oil leak followed by new, seemingly unrelated, symptoms

A couple of days ago my Chevy Cruze 2013, ~85k miles, had its engine valve cover replaced and 2 cam adjuster magnets resealed, according to the paperwork, due to an oil leak at the top of the engine. ...
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40 views

Does engine oil compensate below-threshold Catalytic Converter performance?

I have a Toyota Yaris 1.3 VVT-i with 2SZ-FE engine. The car has 100K of mileage (I recently bought it with no service history). Most importantly, its check-engine light is on for "catalytic ...
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37 views

Is it true that crankshaft counterweights help with extending the life of the main bearings?

I have heard that use of counterweights in crankshafts also help with bearing life because "counterweights reduce peak main bearing inertia loads". Is this true? If its true how does that ...
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Can I use 0w 30 instead of 0w 20 engine oil in Honda wrv deisel model of 2019?

I am not able to find the specific engine oil online or offline as per the recommendation of Honda. Can I use any alternative oils?
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Engine dies when brake pedal is pressed

1995 Chevy Cheyenne C2500 dies when brake pedal is pressed. Run fine when started. I changed the brake booster and the EGR valve and problem still there!!!!
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1answer
37 views

2009 Subaru Legacy Poor acceleration with no DTC codes

2009 Subaru Legacy EJ253 Non Turbo 4EAT transmission The car seems to be in LimpHomeMode although I don't know how to verify that. Very poor acceleration with some hesitation when in drive. The ...
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456 views

Which school of thought is right for breaking in engines - keep RPM below 3000 for the first 3000 miles, or rev up to redline?

My friend has overhauled his engine recently and he sought my advice about the most efficient way of breaking in his new engine (Peugeot 405 1.8L Petrol). It is usually said that you should keep RPM ...
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43 views

yellow oil pressure warning light gone off without doing nothing but then I ran 1000km and found low oil level

some weeks ago I saw a yellow oil pressure warning symbol and I move the dipstick up and down then it gone off. As I am not a Car guy I didn't check the oil level because I don't know how much it ...
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1answer
58 views

What happens to the oil inside the oil pan when you park your car in 40% slope? Does the oil come into contact with oil pan gasket materials? Harmful? [closed]

I want to know at what percentage of slope, engine oil touches oil pan gasket material? Is it harmful for the gasket?
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1answer
60 views

missed oil changes

due to covid and other circumstances, I failed to have my oil changed last year on my newish car. totally my fault and I understand I have caused myself a ton of money here, but just want a second or ...
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104 views

Does drilling a hole in thermostat affect engine temperature during cruising speed? (Please read my explanations before answering)

I want to drill a tiny hole in my thermostat to help get rid of the air which is trapped behind the thermostat after replacing my coolant. Unfortunately, my car has only one bleeding screw which is ...
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1answer
42 views

What are some good ways to trace wires in an engine?

Something chewed the wires in my car's engine recently. What are some ways to trace which wires goto which components? Backstory: a few months ago, my car started acting funny. One of the blinkers ...
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27 views

VW EOS ESC Error message

My VW 2015 EOS works great but since my last tire rotation, the ESC Stabilization Control Error appears while drive on dry roads at a constant speed. Engine slows, cannot accelerate. Must pull off ...
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1answer
30 views

2004 Chevy Tahoe burning oil & coolant, smoking, and turning oil to jelly

I have a 2004 Chevy Tahoe with about 180k miles. Its really taken care of with regular maintenance. Recently after driving 30min on the highway, the next time I turn it on white smoke comes out the ...
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Ticking sound after overheated

Hey I was driving my 1998 Toyota 4 runner sr5 v6 3.4 back home when my radiator went out and so I pulled over to the side of the road then put water in it after letting it all cool down and drove home ...
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2010 Honda Accord engine sound

We have 2010 Honda Accord, 126000 miles. I didn't use it for a few months, our daughter drive it. I always liked sound this Honda produced, but now I believe the engine produces strange and disturbing ...
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Steady, low voltage on pre-cat O2 sensor while idling, but voltage increases upon revving

To test my pre-cat O2 sensor, I unplugged its connector from the ECU and stuck a voltmeter’s probes into said connector. When I let my engine idle, my voltmeter shows a steady low voltage, oscillating ...
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1answer
30 views

Do I need to replace the fuel pressure sensor of a 2007 Volvo XC90 V8 AWD?

I have a 2007 Volvo XC90 V8 AWD. The dealership told me that the check engine light came on intermittently and the reason was the fuel pressure sensor is faulty. It costs $525 to replace it. Is this ...
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1answer
39 views

Are Lift Pumps used in Bosch Kugelfischer mechanical plunger pump injection system?

I know that Diesel Mechanical Inline Plunger injection pumps have a lift pump that supplies the main injection pump. Is it also the same case on Bosch Kugelfischer mechanical plunger injection pumps ...
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26 views

what can cause vibrations on low revs

This is a 1995 (produced) 2,9D Ssangyong Musso (602EL) whit just 107000Km from new, can this be flywheel or vivration damper, or fuel system (havent made any control yet),

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