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56 votes

Accidentally left car idling for 14 hours. What are possible consequences from this?

There's probably no damage at all, the engine just ran at low revs for a long time. One issue you may have is if it ran out of fuel the line may have sucked sediment from the bottom of the fuel tank ...
GdD's user avatar
  • 16.2k
16 votes

What is this? maybe a sensor?

It's one of the Heated Windscreen connectors. They have a reputation for breaking off on the Ford Focus, because the wipers hit them if they're not routed correctly. It's common for replacement glass ...
PeteCon's user avatar
  • 8,672
14 votes

Accidentally left car idling for 14 hours. What are possible consequences from this?

I have an 08 ford focus that I haven't been driving. I just turn it on and let it run for about 30 minutes every few weeks so that it's not just sitting. Don't. Idling an engine is the worst way to ...
juhist's user avatar
  • 14.5k
10 votes

How bad is it to drive very short distances with little to no coolant

It seems that you are only worried if the car will leave you stranded, not if it is bad for the car to drive around with (possibly) a bad head gasket. Driving around with a shot head gasket is not ...
MadMarky's user avatar
  • 1,350
9 votes
Accepted

Low voltage at reversing light socket - is it the switch? What else could it be?

As you wrote, it is unlikely that the supply line of the bulb has a short, but not impossible. Beneath that, it's possible that the return line has a bad connection to the chassis. If an other device ...
sweber's user avatar
  • 7,047
8 votes
Accepted

What is this? maybe a sensor?

That looks like a flex connector that has broken off. Perhaps part of a windscreen heater? Labone Heated Screen Connectors
RedGrittyBrick's user avatar
8 votes
Accepted

Ford Focus engine cuts out at 3000+ RPM

In this case replacing the fuel filter for new seems to have done the trick. I was able to find one for roughly £27 on eBay and fitted it myself in under 45 minutes. Thought I'd leave the information ...
Equalsk's user avatar
  • 381
8 votes

Accidentally left car idling for 14 hours. What are possible consequences from this?

Short response: No damage - idling a car does not hurt it. Long response: That said, you shouldn't be idling it to warm it up/charge the battery/whatever. What I do with my cars in storage is put the ...
iDriveSidewayz's user avatar
6 votes
Accepted

Safely washing engine bay of Ford Focus

My view on cleaning engines is that they are probably designed to get wet. At least wet in reasonable ways – rain while the hood is open, splashes from puddles, water that makes it through the ...
dlu's user avatar
  • 14.4k
6 votes

Ford Focus won't crank no clicking light on dash come on.

Take a look at the wiring on the starter the S terminal wire may have come off. Pull the starter relay. Terminal 30 is fused battery power. Terminal 87 is output to the starter S terminal. Terminal ...
Ben's user avatar
  • 10.7k
5 votes

Safe jack / jack stand points for 2002 Ford Focus

Jackstand points on that car should be placed on the pinch welds near the door. underneath the car toward the front. Where to properly jack up and support a car In that video he explains how to do ...
cloudnyn3's user avatar
  • 3,343
5 votes
Accepted

Rough idle + slow acceleration + engine dying after spark plug change

Probably not. Engines are pretty tough. But pull a plug before you drive anymore and check for mechanical damage. Pistons hitting plugs would not be good. Also double check your plug wires and make ...
dlu's user avatar
  • 14.4k
5 votes
Accepted

Cleaning behind the flywheel

Clean it. There's an old saying when working on engines: A clean engine is a happy engine. That goes outside as well as in. The grease and grime isn't good for the engine. By cleaning it up, it allows ...
Pᴀᴜʟsᴛᴇʀ2's user avatar
5 votes
Accepted

Jacking up a Mk1 Ford Focus around its pinch welds

Every contemporary vehicle which I have had to elevate had the body style shown in your images. The jack mechanism also matched the pinch weld for each vehicle. Additionally, for an electric vehicle ...
fred_dot_u's user avatar
  • 4,455
4 votes

Rough idle + slow acceleration + engine dying after spark plug change

Don't worry about engine damage. The main difference between these 2 spark plugs is the length, the one you used is shorter. That means 2 things: the spark was not created in the best place, meaning ...
tlhIngan's user avatar
  • 12.2k
4 votes

Ford Focus change ignition pat system chip

It sounds as though you just want to cut out the "black box" and try to make this work. If so, you are sadly out of luck. If it were that easy on any system which uses a security system, a lot more ...
Pᴀᴜʟsᴛᴇʀ2's user avatar
4 votes

Will I damage my car if I don't fix evaporator core leak?

A/C systems that are run low on refrigerant fail faster than those that are kept full. This is because the refrigerant circulates to oil that lubricates the compressor. An un-lubricated compressor ...
Fred Wilson's user avatar
  • 11.6k
4 votes
Accepted

What is wrong with my Ford Focus? Missfires and more!

My first questions for you? Isn't that a new car, still under factory warranty? What did the dealership tell you? (What year is the car? what is the mileage?) If not, that sure looks like a wiring ...
zipzit's user avatar
  • 6,569
4 votes

Brake pedal soft after changing pads

A number of things could have happened: You let air into the system, either by pushing the piston out too far or by un-doing the bleed nipple. The system has developed a leak. You could have either ...
Newbie Noob's user avatar
  • 2,781
4 votes

How bad is it to drive very short distances with little to no coolant

Provided you regularly check the coolant levels (with the engine cold) and top up then you ought to be fine. Running an engine without coolant is not ideal but I suspect there was some residual left ...
Steve Matthews's user avatar
4 votes

Cannot find the paint color on Ford Focus 2003

I can't read the tag very well but I assumed it was K2 which should be this car's color(Smokestone). If thats wrong theres only a few other blue options (Amparo Blue:G, Blue Print:T, Capri Blue:L, ...
user4321's user avatar
  • 175
4 votes

New battery dead after 48 hours

Doing a parasitic drain test is quite simple, all you need is your multimeter (DMM). Remember to place your DMM lead to 'A' and 'COM' , use flat screwdriver to close the latch on your bonnet, shut ...
Adam Cimler's user avatar
4 votes

Car starts after jumped, not again

This sounds very much like the alternator is not charging the battery. A new fully charged battery would start the car quite a few times until flat, as you have experienced. Jump starting would then ...
HandyHowie's user avatar
  • 24.9k
3 votes
Accepted

Safe jack / jack stand points for 2002 Ford Focus

Here are the places that you can place the jack on: Happy Motoring!!
Sourav Purakayastha's user avatar
3 votes

Hesitant starting when engine is warm - possible vapor lock?

In fuel-injected systems, hot-start problems indicate that the fuel line is unable to maintain pressure. This could be due to a few things related to the fuel supply line, including: a leaky fuel ...
Zaid's user avatar
  • 39.1k
3 votes

Installing ISOFix mounting points in Ford Focus

For fitting ISOFIX (LATCH in the US) to a European Mk2 Ford Focus (2005-2010) my steps were as follows. Note that this is for a UK-registered vehicle with the single-split rear seat behind the driver....
Frank Furter's user avatar
3 votes

Low voltage at reversing light socket - is it the switch? What else could it be?

This sounds like a perfect job for a voltage drop test. You'll need a digital voltmeter and (for this specific job) a pair of long leads for the meter. It also helps, but isn't strictly required, to ...
smitelli's user avatar
  • 584
3 votes

Low voltage at reversing light socket - is it the switch? What else could it be?

Yes. You should determine whether or not there is a good ground for the light – especially if you were reading the voltage across the terminals of the light socket. When you read between the terminals ...
dlu's user avatar
  • 14.4k
3 votes

Low voltage at reversing light socket - is it the switch? What else could it be?

While the switch is a possible culprit, what I'd suspect most is that the wires to the bulb are damaged or corroded, leading to a voltage drop along the wire. You should be able to measure the ...
Rory Alsop's user avatar
  • 18.6k
3 votes
Accepted

Stripped screw holding rear lamp assembly

You may be able to extract the screw by "drilling" it out with a left-handed drill bit running in reverse (counter clockwise). If you're in the US you can get a relatively inexpensive set from Harbor ...
dlu's user avatar
  • 14.4k

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