1998 Ford Explorer my truck

Tiny
FLUFFTSHADOW
  • MEMBER
  • 1998 FORD EXPLORER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 165,245 MILES
My truck would not crank up. Would not move broke down in front of a, mechnic shop and all the machines said NO FAULT DETECTED. I took it to another shop and they said it was my car computer has like a virus Is that possible? Where is the computer in a ford explorer? And How much does that run? HELP
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Wednesday, September 15th, 2010 AT 7:42 AM

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Tiny
WRENCHTECH
  • EXPERT
No, I'm afraid a virus is not possible. It won't necessarily store any trouble codes for that type of problem either.

All "crank, no start" conditions are approached in the same way. Every engine requires certain functions to be able to run. Some of these functions rely on specific components to work and some components are part of more than one function so it is important to see the whole picture to be able to conclude anything about what may have failed. Also, these functions can ONLY be tested during the failure. Any other time and they will simply test good because the problem isn't present at the moment.
If you approach this in any other way, you are merely guessing and that only serves to replace unnecessary parts and wastes money.

Every engine requires spark, fuel and compression to run. That's what we have to look for.

These are the basics that need to be tested and will give us the info required to isolate a cause.

1) Test for spark at the plug end of the wire using a spark tester. If none found, check for power supply on the + terminal of the coil with the key on.

2) Test for injector pulse using a small bulb called a noid light. If none found, check for power supply at one side of the injector with the key on.

3) Use a fuel pressure gauge to test for correct fuel pressure, also noticing if the pressure holds when key is shut off.

4) If all of these things check good, then you would need to do a complete compression test.

Once you have determined which of these functions has dropped out,
you will know which system is having the problem.
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Wednesday, September 15th, 2010 AT 8:44 AM
Tiny
FLUFFTSHADOW
  • MEMBER
They checked all those things and told me my computer has a virus in the ford explorer. Is that possible? What should I do next? Where is the Computer in a ford explorer? How do I fix this car problem?
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Wednesday, September 15th, 2010 AT 9:14 AM
Tiny
WRENCHTECH
  • EXPERT
Never mind, your not even listening.
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Wednesday, September 15th, 2010 AT 9:20 AM
Tiny
FLUFFTSHADOW
  • MEMBER
I am listening to you in other word I got taken by the mechanic right?
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Wednesday, September 15th, 2010 AT 4:10 PM

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