How to check fusible links on my car

  • 96,000 MILES
Engine will die while driving down the road. Check engine light comes on and wont start at first. But if I wait 3-4 mins it starts back up every time. Does not happen every time you drive car. In Chilton Manual it says my car has 2 fusible links. The first on goes from alternator to starter solenoid. It says check fuse15a. The 15a spot has nothing in it on my car. The second goes from starter solenoid to ignition and it says check 40a. Under hood my fuse box has 50a. I have replaced fuel pump, fuel filter, idle air control valve, air filter.& Battery. This has been a 6 month on going problem. Someone mentioned check fusible link, he said that is why car will start after 3 mins, because fuse blows and when it cools it goes back together.
Do you
have the same problem?
Wednesday, November 13th, 2013 AT 7:58 AM

1 Reply

Fusible links don't intermittently fix themselves.

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.

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, November 13th, 2013 AT 8:20 AM

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