Questions tagged [power]

Practical questions related to engine power – or the loss thereof. Questions about electrical power and electrically-powered accessories should use the [electrical] tag.

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51 views

I have a 3500 watt car audio system and want the cheapest way to run it?

I have a 3500w system I need to know if I need a high output alternator or can I just replace my stock battery with a 4800 w energie battery
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1 answer
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Air Intake Issues on Chevy Cruze (Lack of Power, Jerking, Etc)

Car Details 2013 Chevy Cruze History of Coolant issues, in the past 4 years I've replaced the water outlet valve, many many hoses, thermostat, temperature sensors, and ending with the radiator a few ...
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CZC power steering

Trying to get the 2 little clips off the rear of the circuit board of the EPS pump on my CZC colt to disassemble it all , any ideas how they come off
2 votes
2 answers
171 views

Why doesn't my Yamaha R3 Motorcycle power on?

My 2017 Yamaha R3 won't power on. Everything was fine with it initially, I rode it this morning and the ride was perfect. After a couple of hours in my garage, I turn the ignition key, the electric ...
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Brand new ColmeanCT200U-EX not wanting to stay running

I just purchased a brand new pre-assembled Coleman CT200U-EX mini bike. I'm a newbie with this. I've only ridden it about 3 hours or so at this point. This week its been acting up. Today while ...
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1 answer
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How much performance change can be expected from changing 2-stroke mix-in oil?

I have a 2 stroke paramotor: Paramotor with a parrot on the propeller. It is a 235cc 2-stroke engine with carburetor fuel delivery and magneto ignition. The transmission is a direct drive pulley ...
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What's the power problem?

2-stroke marine engine (200 Yam) starts and revs just fine out of gear. Put into gear and will only achieve 40kph or so. Old petrol (50:1)? Changed tanks and new fuel - same. Boat hull dirty? A little,...
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Ignition wire for my 1964 Ford Thunderbird

I have a 1964 Ford Thunderbird on my car stereo I only have one power wire I assume it does to the ignition can I run my new car stereo on just the ignition power or will I need to run a new wire from ...
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2015 Subaru Forester Power Tailgate

The power tailgate will open about 1/3 of the way and quits. I can push it open the rest of the way, but it jerks when it opens; like it's taking steps. After it's open, it will not close with the ...
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2001 Avalon requires a lot of power to move

From a stop, I have to press the gas pedal down and the RPMs to about 2500 in order for the car to move. The engine light has gone on, but now it's off and when I take it the mechanic, they can "...
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Are 2003-2004 Camry Power Seats Interchangeable?

My 2003 Camry Drivers Power Seat stuck in the furthest back position and will not move forward. I've read many of the same problems on here and removed the seat to find the problem. The 'left' side of ...
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Need help diagnosing lack of power below ~3k RPM

I have a 1999 BMW 523i E39 that feels extremely slow below roughly 3k RPM and would like some ideas on things I can do to diagnose it. I tried towing a 1200kg trailer recently and really noticed the ...
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Does a fuel filter ever go out fairly suddenly?

I drive about 50-100 miles a day. I run the gas tank down to empty a lot but I do put seafoam in the gas every now and then. For the past two weeks the car hasn't started the first time in the morning....
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1 answer
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Where do I stand on a misdiagnosis when I've already paid for the repair and driven the car home? [closed]

last week I couldn't get my car to start I had it towed to a national known Auto repair chain they had it for five days couldn't figure it out. so I had a towed to another shop when I called and the ...
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Car stereo is always on when engine is on

I have a 2011 Toyota Matrix XRS. When I turn the engine on, the screen for the stereo doesn't light up, and the power/volume button doesn't work - can't turn it off, and can't lower the volume. Super ...
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1 answer
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Not Replacing Car Starter

I have a problem with my car starter. I believe this was a problem on my car starter since I have a mechanic who went to my office and have it check. He says the battery is ok. When I start the car, ...
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1 vote
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Divide by 2 for "wasted spark" motorcycle rev counter input

My motorcycle just got an upgraded ignition timing method. This new method fires the spark plugs twice each cycle which in turn increases the RPM * 2 according to the tachometer. Is there a way to ...
2 votes
1 answer
783 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
1 answer
122 views

Alternator output power relationship

Overview: I am currently working on a project that requires a 24v alternator, which is powered by a mower engine. This engine in particular runs around 3,000 rpm, give or take, and does not exceed 3,...
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1997 VW Golf III 1.9 TDI 90HP (1Z/AHU) Very low power/slow to rev at startup

It happens every time the engine is started, regardless if it's a hot or cold start. It's extremely slow to accelerate when driving, even slower then a normal 1.9D. In neutral it's slow to rev up. ...
1 vote
1 answer
58 views

93 Seca 2 won't start without a jump, battery good?

So i have taken the battery out and had it tested at autozone and they said the battery was fine. the solonoid is fine because if i hit the starter the motor starts to act like it wants to turn but ...
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1 vote
3 answers
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RPM AND TORQUE IN INTERNAL COMBSUTION ENGINES

IN internal combustion engines, when the explosion in the chamber occur producing power this power appears as an increase in torque and RPM, what confuses me is that how I could raise the RPM while ...
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2 answers
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2000 Toyota Corolla will not start until hitting battery terminals

I have a 2000 Toyota Corolla which started to display a symptom during cold weather (-20 - -30 C) where you would insert the key, turn in partway, activate the internal electronics, and then turn it ...
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11 votes
3 answers
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How do these similar engines differ so much in power output?

I have a question that is bugging me for a long time. I will take a BMW E46 (3-Series) as an example so that it's easier to ask. Comparing M3 and E46 330 engines: S54B32 and M54B30, they are both ...
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Is anybody able to diagnose anything from these Live Data Reports ? Car has loss of power and black smoke

Photo's attached Ford Ranger 2015 XLT 3.2L 4x4 Diesel Automatic Currentl experiencing power loss and hesitation as well as black smoke out the exhaust
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Loss of Power/Acceleration, RPM Flutter, Black Smoke - Ford Ranger PX 2015 3.2L

First time using this site, so forgive me if I post incorrectly. BEING DETAILED AS POSSIBLE I have a 2015 Ford Ranger XLT 3.2L PX Model (Diesel) (175,000kms) It starts with my car driving just fine,...
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Battery drain - 2001 Chevy Malibu

I'm trying to troubleshoot a parasitic battery drain and need help. With all courtesy lights off, key out, doors shut, I show 1.5A of draw. The battery is dead within 24 hrs. I have pulled all fuses ...
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1 answer
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Check Engine light came on, turns out, i had a bad battery but it threw a bunch of codes?

Okay, so I drive a 13 Hyundai Genesis Coupe 2.0T. Last night my check engine light came on. I took it to advance auto today to have the code read. It threw a bunch of codes which were Throttle ...
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1 answer
471 views

Access to alternator output for powering a custom device

I have a custom made circuit (device) to be installed in my vehicle. This device is to work (power up) only when the engine has started. It consumes a reasonable amount of power hence do not want it ...
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My 04 Subaru Forester takes off like I have the A/C on and I’m going up a steep hill... no power!

This just started yesterday. The check engine light has been on forever but none of the mechanics in my area can seem to figure out what the problem is or how to fix it so I’ve just been driving ...
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2 votes
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What causes a vehicle/engine to lose power over time? [closed]

Considering normal everyday use. What factors may cause a generic vehicle/engine to lose some of it's power over time? I recently did a dyno test and noticed that my torque output has decreased ...
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2009 Suzuki skywave 250

I just purchased this bike and it runs great but is really lacking in power off the start. I've changed all filters and had transmission checked out but not much different. Any suggestions?
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4 answers
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How to power up OBD device without ignition to vehicle?

i would like to power on the obd device without ignition to vehicle. Am trying to establish some connection for programming work buy connecting to my laptop. Any way to do this?
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1 answer
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Why my TVS Scooty Pep+ 90cc stops when it slows down?

Driving in traffic is worst as as whenever I stop vehicle, the engine stops and it needs to be restarted again. What can be the issue? Facing this problem since an year now.
1 vote
1 answer
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Tight/Heavy steering on a 2006 Mitsubishi Colt 1.1 petrol

Car is a 2006 Mitsubishi Colt 1.1 petrol. It has electric power steering (EPS) with no hydraulic fluid involved. When stationary or moving slowly, the power steering can be felt to be working, I can ...
1 vote
1 answer
151 views

Sudden loss of power when shifting or sitting at a light, can't idle (motorcycle)

After hitting a nasty bump on the road a month ago, which stalled my bike immediately, the engine will occasionally go from providing normal amounts of power to about 25% of that power, and it will ...
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317 views

CB400 rpm problem

I have a Honda cb400, its old but still working fine but i’m having problem with its speed. Even if you hit the gas, the rpm is low(can’t tell exact rpm since the gauge is broken). But when i ride her ...
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2009 Chrysler T&C Van - power door repair

Our driver side back power door will not work... it seems that something had gotten caught in it and now it will not move the door on its' own. It makes the sound, but doesn't move it. I am assuming ...
1 vote
1 answer
126 views

How can I test alternator

The voltage of my car battery is not fixed when AC going to active. In fact, I saw that the voltage dropped when the compressor clutch turns on. I suspect alternator and battery. Now I want to test ...
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2 answers
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why power steering fluid bubbling causing steam with a new pump

i have a ford taurus- new pump put on 4 days ago. fluid bubbling started today causing steam when car is turned off. what needs to be done? is it safe to drive?
1 vote
1 answer
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2007 Hyundai Santa Fe, I am squirting power steering fluid out from a boot connecting to passenger front tire. What is going on?

The power steering fluid is constantly running out thru a hole in what looks like to be a boot on passenger front tire. Causing steering wheel to be jerky and power steering pump to scream.
1 vote
1 answer
510 views

Suzuki Intruder VL1500 Ignition Coil Difference in Front and Rear

My Suzuki Intruder VL 1500 (1998) has a front and rear ignition coil according to the OEM specifications... I'm curious if these are essentially the same even though the have different part numbers. ...
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Random high idle wont decrease speed when driving sies when still

2004 chevy trailblazer ls erratic idle speed, sluggish power when increasing speed, high power preventing speed to decrease bellow 35 when decreasing speed without breaking hard, last obd2 freeze ...
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0 answers
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Mazda 2 - year 2018 petrol car

Lost power down to 20 mph. Was checked by recovery chap running diagnostic but nothing showed up. No light to indicate fault. Went ok when chap tried car out.
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Can you use a flex (spider) coupler as a dog clutch in a motorbike/atv/go kart/lawn mower like setting?

My question is simple: I want to make a dog clutch system for a wakeboarding cable system and was wondering if a flex (spider) coupler could used? The power, velocity, torque is similar to a go kart /...
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1 answer
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Add Power Steering Fluid instead of Dextron II

I have a 1997 Toyota RAV4, I started adding power steering fluid, then I noticed it was not the same color, it ask for Dextron II instead. I only put maybe couple drops. Will it ruin my Power Steering,...
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Polo 9n SDI 2002

Help :-) My son has bout a polo 9n sdi with 120000 miles on. It was a bit smokey apperantly when he bought it. I now have it here on my drive and it smokes on idle and has a neat smoke screen trick ...
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1 answer
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Seat Ibiza Power steering doesn’t work on first turn over every time

It doesn’t happen every time but sometimes when I start my car the power steering light comes up saying it has failed and then all I do it turn it off and turn it back on and the power steering works ...
4 votes
1 answer
127 views

Need help now with power steering

My power steering in my 06 lacrosse went out a few months ago. I have continued to drive just harder to turn. A few days ago the car started making a high pitched whining sound. Just wondering if I am ...
1 vote
0 answers
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Power Steering leak

We had -30 this morning, when I went to leave in 08 Ram I had no P.S. and fluid leaking on ground. I put it into heated shop and refilled resevoir, let sit a couple house and now it works and no ...