No spark? Ignition?

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
One hour service, not bad!
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Monday, July 13th, 2020 AT 1:13 PM (Merged)
Tiny
RUBEN C SPINLER
  • MEMBER
  • 10 POSTS
  • 1995 CHEVROLET S-10
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
We have no spark. Up to now we replaced the control mudale with a new one and the computer with a used one. On replacing these parts it started and ran for a minute or so then stopped with no spark again. What do you suggest to look for as the cause? Thank you. Fr Spinler.
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Monday, July 13th, 2020 AT 1:13 PM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Hi Ruben C Spinler, Welcome to 2carpros and TY for the donation

Check and test the coil and distributor pick-up coil-double check computer for loose connections
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Monday, July 13th, 2020 AT 1:13 PM (Merged)
Tiny
RUBEN C SPINLER
  • MEMBER
  • 10 POSTS
We have checked all that you suggested and still we have no spark. There is no power to the coil and distributor area.
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Monday, July 13th, 2020 AT 1:13 PM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Do this power the pink wire on the coil from the battery positive post and attempt to start-if it starts either the pink wire is open or the ignition switch is bad
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Monday, July 13th, 2020 AT 1:13 PM (Merged)
Tiny
RUBEN C SPINLER
  • MEMBER
  • 10 POSTS
Thank You I did as you suggested and got it to run. Ruben C Spinler
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Monday, July 13th, 2020 AT 1:13 PM (Merged)
Tiny
2CP-ARCHIVES
  • MEMBER
  • 4,542 POSTS
  • 1994 CHEVROLET S-10
  • 156,000 MILES
I have a 1994 chevy s10 blazer with the 4.3 v6 it has no spark to the distributor and no gas coming out of the injectors when trying to start
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Monday, July 13th, 2020 AT 1:15 PM (Merged)
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Injectors wont' get gas if no sspark scan for codes first then you can go to site here and look for your system under how to repair tuneup and it will walk you through how to check it.
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Monday, July 13th, 2020 AT 1:15 PM (Merged)
Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
What is the 8th digit of the VIN#?
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Monday, July 13th, 2020 AT 1:15 PM (Merged)
Tiny
N23OVA
  • MEMBER
  • 2 POSTS
  • 1993 CHEVROLET S-10
  • 6 CYL
  • 2WD
  • MANUAL
  • 150,000 MILES
My '93 S-10 cranks/turns over, but won't start. Sometimes it starts fine but lately I've had this problem. Tried STP fuel line cleaner and a fresh tank of gas, also tried pouring a little fuel down through the top of the air filter, still nothing.

What should I investigate?
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Monday, July 13th, 2020 AT 1:15 PM (Merged)
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Welcome to the forum. Did you visually check for spark at the plugs, engine cranking? If you have spark everywhere, use a gage and check fuel pressure.
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Monday, July 13th, 2020 AT 1:15 PM (Merged)
Tiny
N23OVA
  • MEMBER
  • 2 POSTS
A mechanic investigated and found out it was the ignition module and pick up coil.
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Monday, July 13th, 2020 AT 1:15 PM (Merged)
Tiny
JAWN2851
  • MEMBER
  • 2 POSTS
  • 1992 CHEVROLET S-10
Engine Mechanical problem
1992 Chevy S-10 6 cyl Four Wheel Drive Automatic

I have replaced the ignition coil spark plugs and wires cap and rotor but im not getting any spark what can I do to fix this problem.
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Monday, July 13th, 2020 AT 1:15 PM (Merged)
Tiny
INTERNETMECHANIC
  • MECHANIC
  • 700 POSTS
Does the rotor turn when you crank the engine? Is the coil in the cap or separate? Primary voltage to coil, pink wire, goes hot when you turn on the key. White wire should have a tach signal, engine cranking. A couple other possibilities, pick-up coil and ignition module? Can't be sure at this point?
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Monday, July 13th, 2020 AT 1:15 PM (Merged)
Tiny
JAWN2851
  • MEMBER
  • 2 POSTS
Rotor is in cap and yes it moves but dont know about pickup coil havent replaced that dont know where it is but I take the center plug wire off cap while cranking and get no spark would the alternator cause this problem as well
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Monday, July 13th, 2020 AT 1:15 PM (Merged)
Tiny
INTERNETMECHANIC
  • MECHANIC
  • 700 POSTS
Check primary voltage to the coil. The battery has a full charge and the connections are good? Use a digital multimeter leads across the battery posts, everything turned off. The generic spec or a fully charge battery is around 12.6 volts. If the battery has a full charge, the alternator should be ok. The ignition module and pick-up coil are inside the dist. Right now, I'm not sure of the problem. I wouldn't replace anything without being trying to be sure of the problem.

Use a testlite on negative side of coil, engine cranking, the lite should pulse.
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Monday, July 13th, 2020 AT 1:15 PM (Merged)
Tiny
DYNETTEWICKER
  • MEMBER
  • 5 POSTS
  • 1992 CHEVROLET S-10
  • 15,262 MILES
The fuel pump was out replaced that replaced the fuel pump relay and the fuse. No spark to the sparkplugs. Checked the condenser its ok. Could it be a coil in the distributor on a 1992 chevy s 10 4.3 v 6 please I need help!
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-1
Monday, July 13th, 2020 AT 1:15 PM (Merged)
Tiny
DYNETTEWICKER
  • MEMBER
  • 5 POSTS
I was having problems about two weeks before it seemed like truck was choking found my emissions hose cracked changed that did not drive for a week started it up drove about 1 mile acted like it was choking after that wouldnt start. Relized fuel pump wasntcomming on changed that changed the fuel relay and thefuse still wont start condser is good bought a new coil. The person said the sparkplugs getting no spark help
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+1
Monday, July 13th, 2020 AT 1:15 PM (Merged)
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
What engine is it? It makes a difference. Also check the ecm b fuse in your fuse block.
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Monday, July 13th, 2020 AT 1:15 PM (Merged)
Tiny
OIRLLC
  • MEMBER
  • 2 POSTS
  • 1990 CHEVROLET S-10
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 180,000 MILES
Truck drove to work, but will not start, it cranks and there is the smell of gas, yet there is no spark at the plugs, or at the top of the coil, replaced coil, recharged battrie and truned it over and over and it just will not start. It just died.
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Monday, July 13th, 2020 AT 1:18 PM (Merged)

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