27 votes

How can I disable my 2002 Ford Explorer so someone with a key can't start it?

If your friend is moving your vehicle without your consent and does so deliberately your friend is committing a crime. Vehicle theft. If you are asleep when this happens then consent was not given. I ...
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  • 3,842
26 votes

How can I disable my 2002 Ford Explorer so someone with a key can't start it?

I'll make it very simple for you, Dave. Just remove the relay highlighted, in yellow, from the diagram above. This goes to the starter.
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20 votes

How can I disable my 2002 Ford Explorer so someone with a key can't start it?

Remove the publicly available key. Make one copy of the key for each person or household who needs to be able to move the car. Give a key to each person and have them sign an agreement that they ...
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  • 1,536
14 votes

2020 explorer will not fill up

Are you sure the gas station was open? I recently had the same problem and found that the lights were fully on at the station, the digital readouts on the pumps were glowing, but the place was ...
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  • 1,544
12 votes

AC Delco | Should this be worrying me? The battery is just 9 months old

It looks to me as the battery has been boiled, meaning the alternator overcharged it. This has several implications: If the alternator overcharged it, then it will do so again. If this is the case, ...
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9 votes

How can I disable my 2002 Ford Explorer so someone with a key can't start it?

As stated in other answers, you really need to get your new housemate to start listening to you. If he doesn't respect your property, do you really want him living with you? With regards to the ...
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6 votes

Should I change transmission fluid if it's black?

Rough or slow gear engagement (as mentioned in the comments) could indicate that the shift solenoids are having trouble actuating due to the dirty fluid. As racefever suggested, you should change the ...
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  • 6,017
5 votes
Accepted

To Use Max AC or AC

Ok, let's break this down a bit. A/C systems have two basic modes: Outside air Recirculate When you are in outside air mode, the vehicle will allow air from outside the cabin to enter. Recirculate ...
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  • 3,363
5 votes

2001 Ford Explorer High Idle

The P1506 code is an idle air control overspeed error. From autocodes.com: The P1506 code means that the engine idle is out of factory specification. Sometimes the Idle Air Control (IAC) may have ...
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  • 5,225
5 votes

How can I disable my 2002 Ford Explorer so someone with a key can't start it?

Remove fuse #26 (Brake-shift interlock) and the starter relay. This will prevent the "friend" from starting the car, and will also prevent the "friend" from simply putting it in neutral and pushing ...
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  • 51
4 votes

I just found out that my muffler wasn't even connected. I was driving it around lots is that bad?

It's possible to cause valve damage if the engine is hot and cold air is sucked up into the exhaust (by backpressure when the throttle is closed). However, you'd have to basically disconnect the ...
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  • 2,301
4 votes

4 new tires on 2013 Explorer?

Is your Explorer 2 or 4 wheel drive? If 2 wheel drive there is no issue at all - the two ends are separate. If 4 wheel drive there is a benefit to swapping all at once, as it reduces any differential ...
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  • 18.5k
4 votes

Changed Spark Plug Missing (not firing)

One of 3 things: Spark Plug Wire isn't fully connected Gap on plug is not actually correct Plug wire got damaged I would check the connection. Sometimes spark plug wires can be hard to get in all ...
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  • 541
4 votes

2000 Ford Explorer Electrical Problems

Did you check the user reviews at the source of the fuel pumps. When I replaced mine the two cheapest pumps available had awful reviews. They had a lot of quickly failed comments. Have you inspected ...
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  • 19.7k
4 votes
Accepted

Timing chain issue

If the tensioner has broken in two you'll need to replace it I'm afraid. They aren't mega bucks for those and bodging it back together is just putting a timebomb in place IMHO.
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  • 9,773
4 votes

AC Delco | Should this be worrying me? The battery is just 9 months old

Looks like the green eye is leaking a tiny amount of electrolyte and the liquid layer on the battery collects dust. (Those green indicators are almost pointless, but they probably sell the batteries ...
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  • 1,952
3 votes
Accepted

Parking Light Switch Engages Head Lights

I suspect the contacts in the light switch are shorted. In a correctly working switch, In the off position you wouldn't have power on white/light blue or red/yellow. In the park lamp position it ...
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  • 10.7k
3 votes

1998 Ford Explorer loss of power on take off

Tracy, I've seen bad gasoline contaminate a Heated Exhaust Gas Oxygen (HEGO) sensor. Fill up with gas, five miles later check engine lamp comes on (i.e. a code is set. ) This causes permanent damage ...
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  • 6,499
3 votes

To Use Max AC or AC

I would have thought it would be more efficient at first to pull air in from outside as it will initially be cooler than the cabin air. After a few minutes I would change it to MAX AC to recycle the ...
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  • 159
3 votes
Accepted

Ford Explorer 2014 child seat in second row middle seat

Spoke with ford they said no Disappointed middle seat is horrible design no way a normal person can sit comfortably My recommendation when buying 7 seater take 7 people with you so you can test all ...
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  • 179
3 votes

Over heating problems please help

Three things I can think of which haven't been mentioned: Check to ensure there isn't a plastic bag or some other debris which might have become lodged in front of the radiator. May seem obvious, but ...
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3 votes

2001 Ford Explorer High Idle

This condition can be caused by a vacuum leak. Use an automotive safe spray such as carb cleaner to try to find the leak, both visually, and by noting changes in the idle speed depending where you ...
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  • 2,139
3 votes

Car Hard Start - in Cold Weather only

Got to thinking about this being a cold start only issue. You said above 50F you don't have problems. To an engine, 50F is still COLD. So I was thinking why is this a factor. It got me thinking of ...
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  • 9,035
3 votes

How can I disable my 2002 Ford Explorer so someone with a key can't start it?

Hide the keys in a different non-obvious place. Tell all your friends the new place where the keys go, except for the one you don't want to move the car.
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3 votes

AC Delco | Should this be worrying me? The battery is just 9 months old

All looks very dry. Remove, clean and put some grease or petroleum jelly on the terminals. Otherwise looks very dusty.
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  • 34.4k
2 votes

Ford Explorer Weak Air Flow Defrost/Air Conditioning

If you try the different stages of the fan, how does the flow change? The stage resistors are responsible for the intermediate stages by, well, putting resistors in the line. But the highest stage ...
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  • 7,017
2 votes

Ford Explorer Weak Air Flow Defrost/Air Conditioning

One common failure point that is often overlooked is the final stage resistor. This part is responsible for controlling the speed of the fan blower (which is why I asked about the fan speed operation ...
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  • 39k
2 votes

Transmission knocking and coolant bubbling?

My 92 Ford Explorer knocks a bit when I switch gears. Check your u-joints. Park the Explorer with the emergency brake on, leaving it in neutral (flat ground, please). Crawl under your vehicle and ...
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2 votes
Accepted

Changed Spark Plug Missing (not firing)

It turned out that the issue was that I had disconnected the battery while working on it. The computer had apparently reset and I hadn't driven it long enough for it to reset/configure/whatevs. ...
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2 votes

Over heating problems please help

As DucatiKiller already said, probably too less coolant in your system. Check if the level is at "full" and definitely not anything underneath "low" on the indicator of the coolant reservoir. ...
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  • 523

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