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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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engine runs rough for ~1 min, then starts ticking for a couple minutes, then fine

Vehicle: 2003 Kia Sorento, 193k miles It started ticking 3 weeks ago while the wife was driving. I test drove it, and the ticking quieted down to no tick over the day to and from work. I drove it ...
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What will upgrading the Camshaft do to my BBC 454?

I have been told that upgrading the Camshaft in my GM 454 will increase performance. What will this do exactly and what will the engine actually gain? 10069286 block casting 454cu '90-'91 MY, Mark IV ...
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96 Suburban intermittent falter/stall immediate restart

96 GMC K1500 Suburban. Falters/stalls. Intermittent. So far low speed/parking lot acceleration from stop. Also deceleration low speed as in coming to stop. Radio cuts in and out around the time of the ...
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Starting a 2003 Honda Civic after motor replacement

We just replaced the motor in my son's 2003 Honda Civic and the key does not turn over the motor. The same ECU is in the car, however the green light on the dash is on. Does my key need reprogramming,...
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793 views

Hunting idle following head gasket replacement

I have a 1999 Ford Taurus in which I recently performed a head gasket replacement on as well as a couple other parts - water pump, thermostat, etc. EDIT: The car has a 3.0L V6 OHV Engine - Gas Only - ...
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65 views

Honda Civic runs, warms up, and dies

My engine is a b15b2. The car is a 1991 civic lx. Why do I have the three cam marks and the 7 o'clock one instead of the 2 that line up with the head and the up mark? I changed the belt, but still ...
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186 views

Why does my car stutter and sometimes die at low RPMs, but only when the fuel tank is full?

My 2005 Chevy Malibu has a very strange problem, it sometimes dies at low RPMs, but only when the fuel tank is full. The problem goes away when the tank drops to a little bit above the 3/4 mark. I've ...
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3k views

shakes at idle in drive but fine at park or neutral

I was driving my 2006 Hyundai sonata (3.3L) yesterday during heavy rain. Suddenly check engine light started flashing. When I stopped at a red light, it started shaking badly. I noticed that when I ...
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1998 Maxima keeps revving

When we hit about 25 MPH or more the car revs then stops, revs then stops, revs then stops. ND it only does this when we hit the gas not while at idle. Just replaced the air flow sensor and 2 others ...
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1k views

2010 Chevy HHR jerking

Hi I just got a 2010 HHR. I drove it for about 3-4 months and the check engine light came on so I figured that it needed an oil change? It ended up turning the light off for about 3 days, then it came ...
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Overwhelming the Eng. management system, is there specific course of action to recover faster

Citroen C4 2005, Petrol, UK Yesterday I managed to overwhelm my car (for the second time I've been having it, first time was about half an year go). What happened was I was at a rather busy stop ...
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1st and 2nd cylinder not combusting in dual carburetor'red setup

So I have a Maruti Esteem engine with a dual carburetor on an engine dyno and everything was already installed when I joined this lab. We seem to have a problem when trying to fire the engine. 1st and ...
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315 views

2004 Isuzu Ascender Sputtering and Possibly Misfiring

Needed to get a smog check so I went to Auto Zone to find out why the check engine light was on. The code indicated that the MAP sensor needed to be replaced. So I replaced it and reset the computer ...
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189 views

My 05 F150 engine knocking

Drove it - reached destination and started knocking - NO oil on dipstick. Put in 5 quarts of oil - ran fine until reached next destination - started knocking again - oil was present this time - drove ...
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1999 Ford F250 XLT Super Duty – Oil in coolant

My truck has the 6.8l V10 Triton engine in it. When I got it there was a lot of oil in the cooling system but no water in the oil. It ran hot once but didn't do it again. Would it be the head gasket ...
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1k views

Vauxhall Vectra engine (1.6 petrol) cuts out

My beloved Vectra C (2006) a previous story here developed a new "symptom": engine cuts out while driving. Since there are other (possibly connected) symptoms I am going to list them one-by-one: ...
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85 views

ECM replacement - starter runs during reprogramming?

(mid-90's Buick) Someone I know had an ECM injector drive output go bad. He got a replacement ECM online, but had to take it to a shop (not a dealer) to get it 'initialized' (If that's the right word....
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45 views

Hiace 1996 ignition/motor problems

I have a 1996 Hiace. I was driving and it just died, nothing. Dash lights all work, but motor will not turn over, nothing from starter. It has dual fuel, and was wondering if it could be the AEB 552 ...
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645 views

My BMW X5 won't stay running

Hello I have a 2003 BMW X5. I just got the engine replace a couple days ago. I went to pick it up but because the shop was done installing the motor but now I have to deal with the other problems I ...
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375 views

2003 Ford Taurus SE, Vulcan engine - Chirping sound from intake manifold, car stalling out?

Over the past 2 weeks or so my car has been making a chirping sound near the intake manifold and the accelerator. The chirping sound comes and go, and about a week ago I had an issue where my car ...
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Toyota auris 2010 stalls when you remove oil cap while engine is idling

I was inspecting a used Toyota Auris (2009-2010). I turned the engine on and with the car idling I removed the oil cap from the engine. The car stalled within seconds and the engine almost shut down. ...
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Engine/Car Shaking in 3rd, 4th and 5th. Help!

So I've encountered an issue with my car today which I can't put my finger on, and wanted to get some consumer advice before taking it to a mechanic! It's a 2011 AUDI A1 1.2 TFSI. I've had it for ...
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Car wont start 1994 Oldsmobile CutlussCiera

I have a 1994 Oldsmobile Cutlass Ciera 3100. A person before me put in fuel pump and filter, timing chain, crank sensor,cam sensor, New starter. Car still don't start. It cranks maybe 3 times and ...
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187 views

Spark plug arcing during removal, engine off.

What could cause the spark plug to arc off the socket and exhaust manifold when removing the spark plug? Obviously the ignition was in the off position. This same plug tends to get carbon deposits ...
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848 views

what causes a car to spit and sputter while driving then shuts off when stopped and smells like rotten eggs and make a squaling kind of noise?

I have 2016 Chevrolet Cruze LT 4 cyl, and since the weather started turning warmer I've been using the AC sometimes. Since using the AC I have noticed several times, just randomly it would act like it ...
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A180 diesel doesn't start, pops open diesel cap instead

When I try to start my diesel Mercedes A180 it doesn't start and the diesel cap opens instead! When I turn the key, sometimes it makes the starting noise (but then stops). At other times it doesn't ...
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1k views

BMW CAN bus data format

https://www.reddit.com/r/CANBus/comments/39pzpp/bmw_3series_2015_odometer_reading/ I am using the above website as reference and sending commands to engine ECU. I have a log from BMW engine ECU (below)...
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62 views

Boat Inboard engine Losing Power

After about an hour of running, I find the engine starts to lose its power at say 3500RPM, and what I have to do is lower it to 2000RPM, if I try to increase the RPM back to 3000-3500RPM it starts to ...
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Looking for engine replacement on a 2002 v6 4.3L Chevrolet Silverado

I am looking for engines to use in my pick up truck. I know that the engine I have is also in other GM/Chevrolet vehicles. What vehicle models and year ranges should I be looking for in terms of a ...
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65 views

4 cycle weed eater problem

Hi I am based in the UK and have a ryobi rbc430sbs which has not been used through winter. I have new fuel and it will only start on full choke. Once running I can move choke to mid position then run ...
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How to remove vibration damper from a Volkswagen 1.8 TSI (EA888) Engine?

How do you remove the vibration damper from a 2010 Passat CC 1.8 TSI engine? Which direction do you turn the bolt to remove it? Clockwise OR counterclockwise?
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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......
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547 views

P0302 error code Nissan Primera p12

I own a 2004 Nissan Primera P12 with the 1.8 litre. My car MIL started glowing for two weeks. I read the code it was P0302 which is misfire in cylinder 2. I checked ignition coil and spark plug. I ...
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374 views

1993 Mitsubishi Colt sometimes refuses to start

We have a 1993 Mk4 Colt 1.6 Auto. The car runs absolutely fine but once in a while the engine refuses to start. The starter and battery are fine; the fuel filter and all other servicables were ...
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521 views

VIP future champion gas moped won't stay running

Okay so my moped sits over night I go to start it and it turns over and starts for about 3 seconds and shuts off. Well it will not start again until I put raw fuel or starter fluid in breather. After ...
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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 ...
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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 ...
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154 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, ...
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201 views

Help Diagnosing Engine — Truck starts but won't run after repairs

Hoping for some help here. Very long story short, a spark plug wire was fouled in my '88 Chevy Scottsdale K1500, which was replaced. The spark plug was also replaced....but old wire was reattached, ...
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287 views

My car's revs keep dropping

Please help, should i get a tune-up. I will post a video, so y'all can get a better idea of the issue in the car. Please visit link to get an idea of the issue. https://youtu.be/rKRAHqXe3Pw
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5k views

Locked Motor - Can it be fixed without replacing the engine?

First of all, I WILL APOLOGIZE if I get too lengthy. Drove the car, parked and was away from it for about 10 minutes. When I tried to start it, lots of lights came on and went off right away but ...
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301 views

Yamaha F40F outboard boat engine continuous alarm when starting

I'm trying to start a very new 2014 Yamaha F40F engine on my dad's boat. The engine was used yesterday by my brother without issues but today it won't start at all, and I get a continuous alarm sound ...
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976 views

Mitsubishi Eclipse dies while driving, then won't stay on after cranking back up

I drive a 2001 Mitsubishi Eclipse RS 4 cyl. It has a replaced engine from a Galant. The car has started dying on me seemingly randomly - I haven't seen a pattern in the fuel level, time of day, speed ...
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83 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 ...
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141 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 ...
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353 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 ...
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81 views

Antifreeze in my engine, and now it's making a ticking noise

I changed a busted intake out, also changed the plugs. Some old antifreeze get in the plug holes when I pulled the plugs. I have reassembled the car, but it runs bad and has a ticking noise. ...
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374 views

Changing Freeze Plugs on a Mazda 626

On a 98 Mazda 626 4 cylinder 2L engine where are the freeze plugs and how hard is it to replace them?
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777 views

Renault/Dacia Logan 2014+ engine temperature indicator?

the Renault/Dacia Logan 2014 and above have indicators like this: As you can see, the dial at the right has the total mileage and the fuel indicator only. I'm wondering if there is an indicator for ...
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409 views

Engine randomly turns off on Mazda Capella 2000

Recently I have been having some issues with my Mazda Capella 2000 occasionally just switching off while I am at low revs. It doesn't often happen but when it does it seems to happen multiple times in ...