Most Popular
1500 questions
8
votes
2 answers
Will running engine after replacing A/C components ruin the new compressor before system is recharged with freon/oil?
I have replaced the air compressor (which came oiled from factory), condenser, evaporator, and expansion valve on a 2002 Honda CRV. I also replaced the alternator.
I want to turn the engine on to make sure the car is running properly, sans AC, and…
EthanT
- 81
- 3
8
votes
2 answers
'Check Engine' code P0171 System Too Lean - Is it safe to drive?
My 2003 Toyota Corolla's Check Engine Light came on. I read the codes using an OBD code reader and got P0171 - System Too Lean (Bank 1) and P0133 - 02 Circuit Slow Response (Bank 1, Sensor 1). The light is on solid, not blinking.
From what I can…
culix
- 301
- 2
- 3
- 11
8
votes
4 answers
Why don't motorbikes have chain covers?
I notice that except for small commuter bikes and older bikes (before the 80s), hardly any of the larger and/or sportier bikes have covers to protect their chains: .
They seem quite practical, and conducive to chain life- by protecting the chain…
nedR
- 181
- 1
- 3
8
votes
1 answer
How much battery does an ODB Bluetooth reader suck?
I'm planning on using an ODB Bluetooth reader on my car and leaving it plugged in to use apps like Dash and Torque.
It's a daily driver so I'm not that worried about depleting the car's battery, but I was curious how much amperage that port would…
Duccio Shinichi Mondanelli
- 125
- 1
- 1
- 5
8
votes
3 answers
How to work on engine out of car?
I'm currently doing an engine swap on on 97 Corolla Levin, need to swap over the exhaust manifold, water pump etc from one engine to the other, but not sure what the best way to handle the engine whilst doing it? I've currently got it in a tire on a…
BiGXERO
- 183
- 2
8
votes
3 answers
Car oil pressure gauge flips between 0 and 100%
My 2005 Chevy Tahoe has an Oil Pressure gauge. The needle usually sits to the far right on a value of 80. Recently it's started randomly dropping to 0 and as expected, the car's oil pressure alarm triggers and chimes. A few minutes later it will pop…
Guy
- 205
- 2
- 5
8
votes
1 answer
Is it normal to see a bit of rust under the hood?
While inspecting under the hood of a 2008 Suzuki Swift, I saw a bit of rust in some areas:
(The last image is below/behind the battery.)
I have looked under the hoods of other cars from 2008 and even earlier, but I have not seen anything like…
hb20007
- 747
- 8
- 23
8
votes
2 answers
Why do mechanics give the wheels a spin after raising a car for inspection?
After raising a car for inspection, I noticed that a mechanic gave all 4 wheels a spin.
What exactly are they looking for?
I assume it has to do with whether the wheel on the opposite side will spin as well? Or is it more about listening for any…
hb20007
- 747
- 8
- 23
8
votes
8 answers
Slow power window problem
On my 2000 Toyota Sienna, the driver's side power window behaves strangely. The window rolls down just fine. However, when closing it, it begins rolling up in the normal rate, but half-way up gets slower until completely stops. I then wait some time…
ysap
- 473
- 4
- 8
- 17
8
votes
2 answers
I have lost my original key and keyfob to my 2006 Corvette
How can I start my Corvette without having to go to the dealership to get a new key? My money situation is tight, so I'm trying to find a way to start my car, without having to pop the clutch or order a new key.
Matthew Winchester
- 91
- 1
- 4
8
votes
3 answers
Why can't the 3rd generation Mazda rx7 safely coast downhill in neutral?
The manual for the 3rd generation Mazda rx7 says not to roll downhill without the engine engaged, because the exhaust can overheat. Unfortunately, the manual does not explain the mechanism by which the overheating occurs, so I have no idea whether…
user502
- 225
- 1
- 4
8
votes
1 answer
Would OBD-II devices drain the battery when used 24/7?
There are many OBD-II devices out there that can scan and/or monitor real-time data about your car. Most of these devices are readable via USB or Bluetooth.
Either USB or Bluetooth, both require some amount of power. Will these devices drain the…
Abel Melquiades Callejo
- 189
- 1
- 1
- 7
8
votes
2 answers
Key won't turn in Honda Fit after ignition cylinder repair
Malfunctioning locks seem to be common with Hondas that have laser-cut keys. After lots of research and tutorials on repairing the ignition cylinder I was able to remove the cylinder, extract the worn out "wafers", and lo and behold, the key would…
Sea Citadel
- 181
- 3
8
votes
2 answers
Vibration at speeds between 40-47mph
I went on a road trip of about 870 miles. I hit a speed bump at night because I couldn't see it due to absence of road lights. I applied brakes aggressively as soon as I saw the speed bump and I think the vehicle speed was about 25 mph when it hit…
ifadey
- 187
- 5
8
votes
4 answers
Is a bad battery bad for other components too?
I think my battery is on the way out - on cold mornings, it turns the engine over very slowly to start with, and takes a number of turns before the engine finally starts. This has been the case for a few weeks, but the car has always started…
jeatsy
- 183
- 1
- 1
- 4