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1988 Chevy Truck No spark at plug

Tiny
JAMMER
  • MEMBER
  • 20 POSTS
Do you think it would be ok to drive this way? Temporarily?
Is there anyway of resetting
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Tuesday, November 20th, 2018 AT 5:37 PM (Merged)
Tiny
SERVICE WRITER
  • MECHANIC
  • 9,123 POSTS
Brother, I'd love to give the right answer, but I'd be letin' my ego take over my brain :(

My "guess" is yes. Strongly encourage to send a PM to one of the other moderators. 2carpro Jack is very good :wink:
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Tuesday, November 20th, 2018 AT 5:37 PM (Merged)
Tiny
92CHEVY88
  • MEMBER
  • 1 POST
  • 1992 CHEVROLET TRUCK
  • V8
  • 2WD
  • MANUAL
  • 235,000 MILES
92' chevy c1500 5.7 tbi hei remote coil new motor new distributer new coil new esc new ecm all fuses good all grounds good no spark no fuel hav voltage to coil engine cranks great
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+1
Tuesday, November 20th, 2018 AT 5:37 PM (Merged)
Tiny
JAMMER
  • MEMBER
  • 20 POSTS
How can I get ahold of 2carpro Jack? Cant find out how to send him a PM. Can ya help?
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Tuesday, November 20th, 2018 AT 5:37 PM (Merged)
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Test fuse links at battery junction block also check for voltage at ECN terminal B1 and C16
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Tuesday, November 20th, 2018 AT 5:37 PM (Merged)
Tiny
SERVICE WRITER
  • MECHANIC
  • 9,123 POSTS
Right above the Reply to question button on top of the page there is your topic and above that is "GO BACK". Cleck the "go back" and you'll see the moderators, click on his name and there is a PM button in there.
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Tuesday, November 20th, 2018 AT 5:37 PM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Also test the ICM and distributor pick-up coil-
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Tuesday, November 20th, 2018 AT 5:37 PM (Merged)
Tiny
100%CHEVY
  • MEMBER
  • 1 POST
  • 1989 CHEVROLET TRUCK
My father a 1989 Chevy Truck with a 350 engine, maunual transmission and 250,000+ on the speedometer. He sudenly has a no spark and no fuel to TBI problem. The engine cranks over so not a battery problem. I checked and replaced his dist. Cap, coil and the ignition moduel but still no spark and still doesnt uncover why there is no fuel going to the TBI though the fuel pump is working. I am thinking the ECM went out yet need another mechanics opinion. Thanks for any additional ideas on what is causing this.
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Tuesday, November 20th, 2018 AT 5:37 PM (Merged)
Tiny
CONTRACTOR
  • MEMBER
  • 3 POSTS
Three things,

1. Fuel pump fuse- passenger side firewall in a fuse holder

2. Fuel pump relay- next to fuse

3. Bad oil pressure switch possibly will cut fuel to TBI

Check these
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Tuesday, November 20th, 2018 AT 5:37 PM (Merged)
Tiny
MARYBKERR
  • MEMBER
  • 1 POST
  • 1987 CHEVROLET TRUCK
What is the general part that fails on this rig? My truck runs perfect but every once in a while there is no spark. Then suddely bam. It will start. I believe the coil is failing or somehting in the dist. I have heard about one electrical part in these older chevys that work intermittently then finally completely fail but I need some help.
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Tuesday, November 20th, 2018 AT 5:37 PM (Merged)
Tiny
E40WATER12
  • MECHANIC
  • 522 POSTS
From my experince with no spark problems, You may want to do these trouble shooting first:

1. How long has it been since you truck has had a complete tune up, Plugs / wires / dist cap / rotor / coil pack replaced.

2. Could also have a problem with youre ignition Module thats located inside youre dist area.

3. Could have a dist itself wornout.

Hope these tips help you out.

Good Luck.
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Tuesday, November 20th, 2018 AT 5:37 PM (Merged)
Tiny
CHRIS HENKEL
  • MEMBER
  • 1 POST
Our truck is having the same problem we have replaced the engine, transmission, carb, distributer, intake manifold. Gaskets, fule pump timing chain and gears, fule filter, spark plugs, wire harnes in dash, and more some times it will start adnd sometimes not. We are soooo tired of this truck. It wont start in the morning but it will in the evening or when ever it feels like it. It was dieing when we were driving it it has been in 3 shops no one can find problem they are all just having to guess please help!
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Tuesday, November 20th, 2018 AT 5:37 PM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
For both of you-try checking the coil and ignition control module. Also the ignition switch when it heats up breaks open no power to the ignition system.
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Tuesday, November 20th, 2018 AT 5:37 PM (Merged)

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