1995 Ford Ranger engine stalls

Tiny
CAPTAGUILAR
  • MEMBER
  • 1995 FORD RANGER
  • 6 CYL
  • 4WD
  • MANUAL
  • 120,000 MILES
Engine starts fine, runs great. Engine shuts down, while driving. Have to work key five or ten times til it starts, then runs like nothing ever was wrong.
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Friday, October 1st, 2010 AT 8:29 AM

3 Replies

Tiny
WRENCHTECH
  • EXPERT
What does it do when your trying to restart it? Is it cranking over fast enough?
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Friday, October 1st, 2010 AT 9:11 AM
Tiny
CAPTAGUILAR
  • MEMBER
When it dies and I try to start it, it turns over fast just won't catch. Like it's getting no spark.
Then it coughs and pops a few times then like deisels.
Then it starts runs like a champ.
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Friday, October 1st, 2010 AT 10:32 AM
Tiny
WRENCHTECH
  • EXPERT
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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Friday, October 1st, 2010 AT 10:34 AM

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