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MYS10
New User
Apr 24, 2012, 5:55 AM
Post #1 of 5
(2116 views)
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1988 S-10 WON'T START
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GOING DOWN THE ROAD AND VEHICLE STOPPED RUNNING, NO WARNING.....NEW FUEL PUMP, NEW FUEL RELAY, AND NEW COMPUTER
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Hammer Time
Ultimate Carjunky
/ Moderator
Apr 24, 2012, 6:08 AM
Post #2 of 5
(2096 views)
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Re: 1988 S-10 WON'T START
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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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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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nickwarner
Veteran
/ Moderator
Apr 24, 2012, 7:22 PM
Post #3 of 5
(2039 views)
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Re: 1988 S-10 WON'T START
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On the left side of your keyboard, three from the bottom, is a key that says "caps lock." Please hit the damn thing. While some of us don't have the best eyes anymore, we've upgraded our monitors and gotten better glasses so we don't need posts to be in large print just for our benefit.
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Hammer Time
Ultimate Carjunky
/ Moderator
Apr 26, 2012, 12:57 PM
Post #5 of 5
(2007 views)
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Re: 1988 S-10 WON'T START
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If he followed the testing procedures first, he wouldn't have bought all that junk but I'm sure he made some superhuman parts guru very happy.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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