Questions tagged [engine]

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

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1answer
41 views

Mazda 6 V6 auto rough misfiring – fuel flow problem?

2007 Mazda 6 3.0L V6 automatic with ~80k miles: Runs "rough," especially while stopped in drive – feels like what I imagine an occasional cylinder misfire would feel like, producing a sort ...
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1answer
1k views

2004 Buick LeSabre sputters in wet weather only when accelerating

My 2004 Buick LeSabre recently started behaving strangely. At first I thought I had filled up with some "bad gas." I used Heat to treat and after a week or so it seemingly started to work fine. Then ...
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0answers
1k views

Engine is vibrating when idle and seems like missfiring

I have been reading through the issue I am currently having for the last two days (including the questions posted here), but still cannot find the reason for the engine to behave like it is now. The ...
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3answers
7k views

Squeaking Noise when Cold Start. Suspect something wrong with belts, Also engine missing when sudden acceleration desired from Total Stop

From the past few weeks whenever I crank my car there is a squeaking noise which may continue for about 30-60 sec or even longer (This is intermittent sometimes it doesn't really happen). The engine ...
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1answer
57 views

Effect of ethanol added petrol on vintage cast iron engine bikes

I own a 1993 Royal Enfield Bullet 350 Classic. Recently my city switched to 10% ethanol added petrol from the earlier used pure petrol. I very rarely use the bike; approximately one time in every two ...
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2answers
16k views

Lower quality oil vs high quality oil [closed]

tl;dr Which is best? Buying high-quality, longer-lasting, but more expensive oils and changing oil less frequently or buying lower-quality oil but changing more frequently? As I'm trying to find my ...
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1answer
120 views

Does continuous slight 5% overfill of oil have bad effects?

I have a 2016 Toyota RAV4 hybrid with 2.5 liter engine that takes 4.4 liters of oil (with filter; without filter it's 4.0 liters). The difference between "low" and "full" oil level is 1.5 liters, so ...
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3answers
2k views

2006 Infiniti G35 - Blown engine following Kwik Kar engine flush

(Apologies in advance for the lengthy post.) Background 2006 Infiniti G35 Coupe, 6-speed manual, 112K miles. I bought the car from a friend when it had about 50k miles. He had the car for the ...
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2answers
2k views

ECU signals to CAN bus

What methods or ideas are out there that can match or change an SR20det ECU's signals or codes in order for a newer CAN bus system to read, for example, the power steering to work as well as the ...
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0answers
440 views

High rpm on neutral but flatting the gas pedal while on D doesn't increase the rpm

Lately and before this problem occurs I have started hearing some noises when the rpm gets to 3k ~ 4k when accelerating on the first gear, my car is automatic but I hear that noise only when starting ...
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3answers
145 views

2004 Tahoe: Oil and Coolant Dissapearing

In my 2004 Tahoe both my coolant in my oil are disappearing. I have no trace of liquid underneath the vehicle when parked. However, every month or so we will get an engine coolant hot message and I ...
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0answers
40 views

Merdeces stalls after 30sec-1min, and battery warning light is on [duplicate]

I've got an old but low mileage Mercedes and This problem puzzles me. The car stalls after a short time(30 seconds to 1 minute) after start up and the battery warning light on the dash lights up. I ...
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1answer
94 views

Car interior rattles on idle

My carb Citroën BX interior rattles on idle. This mostly happens before the engine warms up, as soon as I apply the smallest amount of throttle this disappears, which leads me to apply throttle when ...
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1answer
2k views

Aggressive car vibration at 1700-1800 rpm

So my girlfriend bought a used car, a Hyundai i20 2011. 1.4l 55kW diesel motor. She bought it with a guy who is a mechanic, so I was expecting the car to be OK. Once I got to try the car out, I was ...
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1answer
8k views

Drove with radiator cap not tight all theway

....I didn't know my radiator cap was loose till I saw my car overheating...eventually it wouldn't accelerate as I pulled over n opened the hood I saw it was missin n their was radiator fluid ...
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1answer
391 views

ECU help required [closed]

Can someone provide guidance to me about the engine swap from a D15Z4 to a D16Y4 in my 1997 Honda Civic? Can I use the old ECU with new engine? Do I have to buy a new ECU with the new engine?
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1answer
150 views

Finding TDC with a screwdriver.. what if screwdriver gets stuck?

I was performing a leak down test on a chevy vortec 4.3L V6. In order to find TDC on the #3 cylinder, I stuck a screwdriver down the spark plug hole and slowly turned the crank pulley with a wrench. ...
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1answer
112 views

weather causing power loss

Why would my engine lose power when the weather temperature gets warmer. While driving the vehicle will not have as much power when it gets warm or hot.
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1answer
1k 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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1answer
251 views

Honda Accord I-Dtec 2010 2.2 Clutch/Recall problem?

Hi I recently bought a Honda Accord Exec 2010 2.2 i-dtec 210k km, I own it for about 5 days now, I have been driving with it everyday, but since yesterday, A weird problem start to occur, When I am ...
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1answer
272 views

What are the possible reasons for an Engine Knock?

I have a Perodua Viva Elite (2011 MT). Several months back my vehicle engine started to knock and Engine Check Light started showing up while driving in traffic. So I went for an Injector replacement, ...

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