Questions tagged [engine]

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

493 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
2
votes
0answers
4k views

Why does my gas engine sound like a diesel?

I have a 2011 Chevy Impala 3.9L police package car. I've had to issue with the engine running rough, stuttering, burning oil etc...but, when I am at idle, parked, or in traffic; I can hear a very ...
2
votes
0answers
26 views

High end supercharged LS2 will not accept throttle and is now missing on one bank

Fully blueprinted all high end internals, cast iron LSX, supercharged and professionally dyno tuned. Engine has been performing flawlessly, (8,000 miles) owner is 65 years old, out of no where it ...
2
votes
0answers
35 views

Jeep engine issue

I have a 2003 Jeep Liberty. It backfired really loud this morning and now when I try to start it it runs for about 2-3 seconds at 6,000 RPM's and dies. Does anyone have any theory's as to why ...
2
votes
0answers
412 views

Engine sound louder when accelerated from 20mph - Nissan Altima 2015

I bought a Nissan Altima 2015 and its been 18 months since I am using it and have around 17000 miles on my car. Recently I started experiencing engine sound louder than expected when accelerated to 40 ...
2
votes
2answers
110 views

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 ...
2
votes
0answers
42 views

1999 ford f150 4x4 extended cab…bogged down moving rpms and misfiring

I have a 1999 ford f150 4x4 and i have been having issues with hesitation When i accelerate. I took it to have codes read and it said that 7 n 8 are misfiring and and something like FBR..FDR......
2
votes
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 ...
2
votes
0answers
99 views

free moving bike in gear

I am using Yamaha FZ. Sometimes in morning, the bike is not start with electric as well as kick start. When i put it in gears and tried to move the bike, it will move like neutral gear. If I move the ...
2
votes
0answers
178 views

2007 Mercury Mariner - Car is shaking and whining.

Today my car starting shaking and whining very badly, but only when I'm stopped and the car is in drive. If I put it in park or neutral the vibration stops. The shaking stops as soon as I start to ...
2
votes
0answers
130 views

1998 GMC Sierra: swap in V6 + 5spd manual into one with factory V8/auto

How much work and how many headaches would it be to pull a 4.3L V6 and 5spd manual trans from one 98 Sierra and swap it into a 2wd 1998 Sierra with a factory V8/auto? I've done my own repairs all my ...
2
votes
0answers
207 views

Engine knock due to contaminated cylinder, is there a way to purge? 1998 Ford F-150 4.6L

I am an apprentice for a small shop and we recently replaced a 4.6L engine on a 1998 F-150 due to knocking problems (important). The engine we swapped it for was presumably in good running condition, ...
2
votes
0answers
325 views

Starter Gear On Riding Mower

The starter gear teeth on my lawn mower has been sheared off. As a result it is not engaging the flywheel. When I turned the key the first time, the flywheel engaged but the mower did not start (the ...
2
votes
0answers
75 views

My megane 1.6 2005 is running poorly

My megane just started running poorly miss firing , loss of power and a horrible fuel smell got it on a diagnostic machine it said camshaft position sensor .Ive just replaced that and its still ...
2
votes
0answers
492 views

Hot cranking problem on 6.6 duramax

6.6 duramax diesel engine cranks good cold but periodically won't crank hot unless I use starting fluid. This usually happens after engine has been turned off about 30 minutes. Also if idles for ...
2
votes
0answers
2k views

BMW 520d e60 2008 diesel engine won't start after switching off

I have a strange behaviour of my car. Engine starts well at any weather condition but after driving and switched off engine cannot start again for 20 - 40 minutes. After this time it starts like ...
2
votes
0answers
75 views

2011 toyota tundras loses power under load

My 2011 Toyota tundra loses power while under load it doesn't completely shut off but does not respond when pressing gas pedel. This is an occasional thing not constant
2
votes
0answers
94 views

2006 Mercedes E350 4matic , v6 engine

Drove kids to school , stop to get ha and made it home then was about to leave back out and the car started to drive sluggish as if it didn't want to do . I proceeded to pull over at a gas station and ...
2
votes
0answers
186 views

Engine jolting and struggle starting

I drive a 2002 VW Polo automatic, and in the last few days it's really been struggling to start when it's cold, and then this morning the car would jolt on acceleration every now and again, when the ...
2
votes
0answers
434 views

BMW 320D 2011 ED - Engine Malfunction Icon

driving back from work and this warning light came on.. the car wet into limp mode but then was ok after 1 second. No lights on after that! today the same thing happened driving to work came on for 1 ...
2
votes
0answers
159 views

After many repairs engine still vibrates (1995 Ford Probe, 4-cylinder, automatic)

If memory serves me correctly, repairs / replacements include: all mounts (engine and transmission), torque converter, entire electrical system, harmonic balancer pulley, various sensors, checked for ...
2
votes
0answers
1k views

Mazda 323 F is losing power when driving?

I've had a Mazda 323f for a few years now with no faults. But now, it's running poorly with a loss of power that then picks up. I replaced the coil pack and it ran great for a few weeks but then loss ...
2
votes
0answers
74 views

My car is running very poorly when I start my 1994 Buick Century

My car is running very poorly when I start my 1994 Buick Century for the first time every day. It will stall out especially at a stop, but starts right back up and it stutters. Plus, the service ...
1
vote
0answers
23 views

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 ...
1
vote
1answer
28 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 ...
1
vote
1answer
157 views

2013 Mazda 3 Engine not turning off while pushing the start/stop button

My 2013 Mazda 3 does not turn off the engine while pressing the start/stop button. If I continuously press the start/stop button for three or four times then engine stops and goes to the acc mode. ...
1
vote
1answer
100 views

Is this internal engine component cracked?

I was inspecting my engine (1.6L N15 Pulsar) yesterday and I noticed some moisture on the rocker cover coming from the oil fill cap. I unscrewed it and it looked like it was allowing some fluid out. I'...
1
vote
0answers
36 views

Why Long Term Fuel Trims Remains in Negative?

Dear Experts here im attaching log of 1SZ-FE, 1.0L engine for your kind consideration, please advice why my LTFT remains in -ive though MAF, Intake Air Temp sensor, ECT sensor and O2 sensor is working ...
1
vote
1answer
41 views

Why my long fuel trim readings are higher than short trim ones?

My understanding of long trim vs short one is that the short trim readings will adjust the long trim after awhile right? For example my short trim readings are in the -5 to positive 7% max while the ...
1
vote
0answers
66 views

Motorcycle not starting unless I force it into first gear, but the battery itself is ok

I am having a weird issue with my Kawasaki Z650 2019, as per title. It used to start when I just pulled the clutch, now it needs be forced into first gear in order for it to start (while holding down ...
1
vote
0answers
36 views

Flywheel timing

I pulled the flywheel off my 4 cylinder diesel without checking any timing marks, I've since learned I probably should have. It's in the shop being machined right now (for new clutch), but I'm ...
1
vote
1answer
85 views

RPM dropping after refueling

It only happens when I refuel and then drive and everytime I come to a complete stop it drops RPM from a normal 1k to 500 and then goes back up to 1k I am not sure what’s wrong I use 93 premium ...
1
vote
1answer
78 views

Coolant Leak/Bubbling/Whistling

New here! Will say right off the bat car knowledge isn't my strongest suit but i've been trying to tackle my latest problem. I've got a 2004 Ford Fusion. About a week ago when parking up i noticed a ...
1
vote
0answers
54 views

Honda Interceptor 1987 Spark Plugs getting carbon fouled within seconds. Vehicle idling louder than usual

I recently installed a new engine on my Interceptor. After riding for about half an hour the bike petered out. I left in in the garage for about 7 months before installing new spark plugs. This got it ...
1
vote
0answers
42 views

Yamaha FZS 600 Faser - Losing a cylinder when hot

I recently bought a 1999 Yamaha FZS 600 Fazer. It was absolutely fine on the test ride. Did a couple of other short rides (about 20 mins), also fine. Then today after about 15 mins I lose a cylinder. ...
1
vote
0answers
26 views

2013 Dart SXT Clunking/Grinding, Front Right

I own a 2013 Dart SXT, 140k miles. I typically do all my own maintenance, so most of the car is in decent shape. However, for the first time I took my car to a shop to get an alignment + 2 front tires....
1
vote
1answer
427 views

my car can't climb even a small ramp

I own a Toyota IQ model 2010 I have been experiencing this issue from the past year that my car when stopped on a small ramp it wouldn't even climb. Then I have to reverse all the way and get some ...
1
vote
1answer
46 views

5L vortec won’t start

Ok, so I hope this doesn’t seem like a stupid question. Take away all logical scenarios and just answer in theory. If a timing chain could jump exactly 180’ would the intake and exhaust valves reverse ...
1
vote
0answers
48 views

2004 Yamaha Outboard 50HP vibrating around half throttle (2700-3100 RPM)

I've recently bought a 2004 Yamaha outboard, specifically a F50 TLRC (four stroke 50HP) and it is generally in good condition, takes a couple key turns on startup but always starts, a little rough on ...
1
vote
0answers
28 views

White Smoke and Engine Coolant Light

I’ve just been in traffic for around an hour and my engine coolant light came on. As I couldn’t pull over anywhere there’s no way I could turn off my engine for a good amount of time(nightmare). The ...
1
vote
0answers
55 views

Lawnmower locked up, cannot turn shaft

Thank you for coming here. My dad recently picked up a Craftsman gcv 160 mower. When I unloaded it, I ran it for a while, then drained the oil. Remember, it worked when I got it. The oil was very ...
1
vote
0answers
16 views

1968 I-6 swap questions about the spindles and or any tips/ etc

I have a original inline 6 that I’m swapping with a 302 I already have a c-4 trans that is in the car currently, I know of swapping the front end and what I have to do for the extra weight but (not ...
1
vote
0answers
82 views

What could this engine noise be? - Kawasaki KLX300

So, Long story short, I made (what is now) a regrettable purchase of a 2001 Kawasaki KLX300 with tapping noises coming from the engine. Additionally, the engine is low on compression and is burning ...
1
vote
0answers
66 views

1976 Leyland Mini engine block coolant is blocked

Was doing routine radiator flush after engine overheated while on longer trip. Hasn't overheated on around town trips. Radiator coolant was clear green with no lumps or other material coming from ...
1
vote
0answers
95 views

Why is certain motor oil noisy?

I recently used a product with 100% PAO base. However, there is an unprecedented noise. I wonder if it's my car's problem or if certain oils can be noisy.
1
vote
0answers
36 views

Renault Modus 1.4 drains battery - whirring noise suddenly begins after 10 days not moving, engine cold, all switched off

I left my car parked up (Renault Modus 1.4) and did not drive it for 10 days (in 'lockdown'). Then one evening I heard a whirring noise in the engine (after 10 days quiet, totally cold and switched ...
1
vote
0answers
60 views

Mazda 6 MZR-CD diesel fuel issue

I have a mazda 6 mzr-cd turbo diesel wagon 2009 model. I just purchased the car and after trying to jump the car i thought the engine had no compression. However after trying again with a stronger ...
1
vote
0answers
33 views

Clicking BMW E36

I have a 1995 BMW E36 with an M50B20TU engine. When I turn on the ignition, but don’t try and start the car, I hear a regular clicking noise, which I believe is coming from the solenoid shown on ...
1
vote
0answers
28 views

Oil filling cooling system

2015 Chevy 1500, 5.3 Oil overflowing coolant tank. No water in oil. Checked oil cooler in radiator both with 20 psi of air and 22.5 inches of vacuum. No evidence of leak. Old school, so I pulled the ...
1
vote
1answer
1k views

Birds nesting in my truck grill near radiator

Bird are nesting in the front grill of my 2018 GMC Sierra. I am afraid it will cause a fire and this area is very hard to get to. Any ideas on how can i stop them from building nests in my grill ?
1
vote
0answers
51 views

06 Chevy Cobalt: Low Power, Rough Idle (Misfires), now Water in Oil

Been driving it for two months now in cold Chicago weather. -Car first was only experiencing weak acceleration and some minor engine "pulsating" at idle. -On further probing during drive cycles with ...

1 2
3
4 5
10