9
votes
Accepted
Accelerator pedal stuck briefly - how to make sure it doesn't happen again?
There's 3 things you need to look at:
the accelerator pedal itself
the throttle cable
the throttle body
If you pop the hood, find your throttle body: it is between the air intake tube and the metal ...
- 12.2k
7
votes
Accelerator pedal stuck briefly - how to make sure it doesn't happen again?
This is a well-worded, interesting, and valuable question. Unfortunately, not among the "gung ho risk taking" mechanics, I would not even guess at an answer without seeing the problem firsthand.
So ...
- 12.4k
5
votes
Does engine sound and performance differs with different quantity fuel?
This is just a guess and not specific to your bike. I'm also not sure if the effect is large enough to be noticeable. So, just my theory:
In the bowl of a carburetor, there is a float, pushing a ...
- 7,057
5
votes
Accepted
Engine stumbles upon restart after a few hours of inactivity
The symptom is explained by low pressure in the fuel rail.
If this was happening only during hot starts I would investigate the following, since in fuel-injected systems, hot-start problems indicate ...
- 39.2k
5
votes
Electrical problem 2001 VW Golf: intermittent battery failure?
First I would start with disconnecting battery. To verify the connections, then starter unit. Connections may look good to the eye, but the connections are known to cause multiple starting problems. ...
4
votes
Accepted
Intermittent ticking noise in 2015 Subaru WRX
Given that the issue vanishes "immediately" upon pressing the clutch, I would guess that the problem lies somewhere in the transmission or its linkages. The already mentioned throwout bearing is a ...
- 1,646
3
votes
Accepted
Resonant humming noise at 118km/h
Turns out it was caused by one of the tires. All of them were pretty old but one was damaged a bit. I got new tires and the car now runs smooth and quiet. Thanks for all the help
- 171
3
votes
Car stalls and won't restart, but disconnecting the battery fixes it?
It sounds like you have an intermitant failing sensor. On most of the systems I have worked with the crank sensor isn't required and wouldn't inhibit the engine from starting. The cam sensor or ...
- 163
3
votes
Starter Motor Intermittently will not engage
Check a few things:
Battery Voltage - Should be 12V (absolute minimum) to 14.5V (general maximum). I guarantee that you're not high charge, but low charge could be an issue. Test the battery with the ...
- 3,264
3
votes
Occasional trouble idling
Why would the car stumble occasionally?
Based on what's been described, I'd say it's probably because the air-fuel mixture isn't right. It's either running too rich or too lean.
If it is running ...
- 39.2k
2
votes
What can cause intermittant stalling for a Ford Windstar van?
If your scanner can't connect, the ECU is your problem. Swap it with one from a junkyard to see. You had been successful in using this scanner with this vehicle before, right?
- 12.2k
2
votes
Resonant humming noise at 118km/h
If it's hard for you to diagnose it, it's nigh-on impossible for us to tell you what it could be.
That said, here are a few things to help you narrow down where the problem is so you can tally it ...
- 39.2k
2
votes
Accepted
98 Mazda 626 with Intermitant Stall and Restart Problem
So my long standing suspicions regarding the car's security system being the source of some strange stalling problems seems to have been confirmed:
The Cobra alarm system which was installed in the ...
- 15.7k
2
votes
125cc moped light problems
The most likely explanations would be either 1) a loose connection, or 2) if the moped has a self-resetting circuit breaker (instead of a fuse) in the headlight circuit, then perhaps there is an ...
- 14.5k
2
votes
Accepted
Automatic stalls, then struggles to go up gear, revs bouncing - would low/bad fuel explain this?
What you have described are classical symptoms of what happens when a bad batch of fuel finds its way inside an engine - sputtering/coughing/misfiring during low-load operation.
If the issue recurs ...
- 39.2k
2
votes
Does engine sound and performance differs with different quantity fuel?
Check that your fuel tank isn't contaminated with silt / rust particles. It may be worth emptying the tank, removing it from the bike and giving it a good clean. As fuel tanks get older it's very ...
- 23.4k
2
votes
Does engine sound and performance differs with different quantity fuel?
I definitely notice the bike not running quite right a mile or two before running out of gas or switching to reserve on my bikes. How far in advance are you seeing it?
- 584
2
votes
Does engine sound and performance differs with different quantity fuel?
Depending on compression ratio (CR) of any given engine whether it can can benefit from higher octane fuel, regular grade fuel is for compression ratios of 8.5 to 1 or lower, premium grade gasoline is ...
- 7,990
2
votes
Accepted
Car goes into limp mode, but dealer can't find what is wrong
If your car went into limp mode there should be On-Board Diagnostic (OBD2) codes stating what the problem was. It's hard to imagine a dealer being unable to figure out what is wrong. If there's no ...
- 17.1k
2
votes
Accepted
Potential for failing PCV valve causing intermittant p0420 (catalyst efficiency below threshold)
My daughters 05 CRV had this problem also. This car is sensitive for pulling this code, meaning it doesn't take much to trip it. In my daughter's case, I checked the trims and tested the O2 sensors. I ...
- 3,420
2
votes
Accepted
LCD display light on 2005 Mercedes Viano fail
LCD failures are common, and it could be the backlight or the entire LCD. From a repair point of view it doesn't matter which it is as the LCD/backlight is a unit which has to be replaced as one, it's ...
- 17.1k
2
votes
2007 Honda Civic intermittently has starting issues
The honda ignition switches are common failures. It sounds very likely to be your problem.
Not the lock cylinder. The plastic switch. What happens is the plastic gets worn out from the metal spindle ...
- 3,790
1
vote
Why does my car have cold AC at idle, but intermittent on the highway?
How long have you had this car? If it's been years and you haven't had the a/c worked on and checked, you might need a full tune-up. Your possible issues:
You drive too hard - the compressor will ...
- 144
1
vote
Civic smells of burnt plastic and smokes a little twice a day
If there is a leak from the head cylinder packing it would drop on to the exhaust manifold. I think there are 2 issues at hand here. As for the fan, it could either be a motor going bad or the fan ...
- 696
1
vote
My 2005 mazda 3 has power sometimes, runs great, then another ill start it and it has no power it just doesnt wanna go. Gas to the floor and all
Check the electrical connection and grounding of your mass airflow meter. If the electrical connection is loose or corroded, the computer will get the incorrect information about how much air is ...
- 12.2k
1
vote
Xterra goes limp, dashboard goes dark at random
It's the ECU. Somehow water or moisture invaded that region. You get the dashboard removed behind the cooling coil you'll locate the ECU metallic box, swap it out inspect it for any mineral buildup. ...
- 696
1
vote
Accepted
Battery at 13.7 volts disconnected, 14.7 with engine idle or revving, while various small intermittent problems suggest voltage is low?
It seems that 1997 RAV4 has hydraulic power steering, not an electric one. If even there is an electric motor/actuator there, the power would have to drop really low for you to notice, so low that you ...
- 815
1
vote
Battery at 13.7 volts disconnected, 14.7 with engine idle or revving, while various small intermittent problems suggest voltage is low?
This sounds like it could be a faulty voltage regulator as you have symptoms of both over-charging and undercharging. Overcharging can fry some components and damage your battery, undercharging can ...
- 17.1k
1
vote
Gas pedal stops responding after driving for some time
I'm 98% positive that the thottle in a Jeep Liberty is electronic, so probably the pedal isn't really connected to the throttle body. With this in mind, given your assestment on the behavior and the ...
- 113
1
vote
Possible clogged injectors?
This sounds like the fuel pump is failing. The only way to tell for sure is to put a fuel pressure gauge on the fuel rail and test it when it's behaving as such. If the fuel pump heats up and doesn't ...
- 160k
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